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[Page 1] Black Box MD1620A
JUNE 2001 MD1620A MD1620A-JAP Mini-Modem (56 kbps Data/Fax Modem) CUSTOMER SUPPORT INFORMATION Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5...
[Page 2] Black Box MD1620A
1 MINI-MODEM (56 KBPS DATA/FAX MODEM) FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that i...
[Page 3] Black Box MD1620A
2 MINI-MODEM (56 KBPS DATA/FAX MODEM) NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2....
[Page 4] Black Box MD1620A
3 MINI-MODEM (56 KBPS DATA/FAX MODEM) 10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor. 11. El aparato eléct...
[Page 5] Black Box MD1620A
4 MINI-MODEM (56 KBPS DATA/FAX MODEM) TRADEMARKS The trademarks mentioned in this manual are the sole property of their owners. NAMING CONVENTIONS USED IN THIS MANUAL In the software you received, the Mini-Modem is called the Multi-Modem or the MT560...
[Page 6] Black Box MD1620A
5 MINI-MODEM (56 KBPS DATA/FAX MODEM) CONTENTS 1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. Introduction and Description . . . . . . . . . . . . . 14 2.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . 14...
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6 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.1 None of the LEDs Light When the Modem Is On . . . . . . . . . . . . . . . . . . . 41 3.7.2 The Modem Does Not Respond to Commands . . . . . . . . . . . . . . . . . . . . . 42 3.7.3 The Modem Dials But Can...
[Page 8] Black Box MD1620A
7 MINI-MODEM (56 KBPS DATA/FAX MODEM) 6. Service and Technical Support . . . . . . . . . . . . 135 6.1 Calling Black Box. . . . . . . . . . . . . . . . . . . . . 135 6.2 About the Internet. . . . . . . . . . . . . . . . . . . . 135 Appendix A: Tone-D...
[Page 9] Black Box MD1620A
8 MINI-MODEM (56 KBPS DATA/FAX MODEM) 1. Specifications Server-to-Client Data Rates — K56flex speeds when accessing an ISP-type K56flex server (actual speed depend on server capabilities and line conditions) Client-to-Client Data Rates — 33,600, ...
[Page 10] Black Box MD1620A
9 MINI-MODEM (56 KBPS DATA/FAX MODEM) Error Correction/Data Compression — V.42 (LAP-M or MNP 3 and 4), V.42bis (4:1 throughput), MNP 5 (2:1 throughput) Speed Conversion — Serial-port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, ...
[Page 11] Black Box MD1620A
10 MINI-MODEM (56 KBPS DATA/FAX MODEM) Data Modulation — Trellis-Coded Modulation (TCM) at K56flex, 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, and 9600 bps; Quadrature Amplitude Modulation (QAM) at 9600 (non-tr...
[Page 12] Black Box MD1620A
11 MINI-MODEM (56 KBPS DATA/FAX MODEM) Carrier Frequencies, V.21 — 980 Hz Mark, 1180 Hz Space for Transmit Originate; 1650 Hz Mark, 1850 Hz Space for Transmit Answer; 1650 Hz Mark, 1850 Hz Space for Receive Originate; 980 Hz Mark, 1180 Hz Space for...
[Page 13] Black Box MD1620A
12 MINI-MODEM (56 KBPS DATA/FAX MODEM) Interface — EIA RS232C/CCITT V.24 Connectors — DB25 (RS-232C) connector; Two RJ-11 modular phone jacks (one for line, one for telephone set), and power jack. Diagnostics — Power-On Self-Test, Local Analog ...
[Page 14] Black Box MD1620A
13 MINI-MODEM (56 KBPS DATA/FAX MODEM) Regulatory Compliance — UL, CUL, CSA, FCC Size — 5.6"H x 4.25"W x 1.15"D (14.8 x 10.8 x 2.9 cm) Weight — 0.5 lb. (1.1 kg) ...
[Page 15] Black Box MD1620A
14 MINI-MODEM (56 KBPS DATA/FAX MODEM) 2. Introduction and Description 2.1 Introduction This User’s Manual will help you install, configure, test and use your Mini-Modem (56 kbps Data/Fax Modem). 2.2 Product Description Your Mini-Modem incorporates...
[Page 16] Black Box MD1620A
15 MINI-MODEM (56 KBPS DATA/FAX MODEM) nizes dial tones and busy signals for reliable call-progress detection. The modem can detect AT&T calling card tones. It is FCC-Registered for connection to telephone networks without any Data Access Arrange...
[Page 17] Black Box MD1620A
16 MINI-MODEM (56 KBPS DATA/FAX MODEM) General features include: • Compliance with major ITU-T, TIA, and EIA international standards to ensure compatibility with other modems. • Distinguishes data and fax calls. • Caller ID to identify your cal...
[Page 18] Black Box MD1620A
17 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Automatic fallback to slower speeds in noisy line conditions, and fall-forward to faster speeds as conditions improve (line-quality monitoring). • ITU V.42 LAP-M and MNP Class 3 and 4 error correction. �...
[Page 19] Black Box MD1620A
18 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Flash-ROM upgradable. • Compatibility with the standard AT command set used by most communication programs. Fax • Supports V.17, Class 1/Group 3 fax communication standards, allowing it to communicate w...
[Page 20] Black Box MD1620A
19 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Communications Software • One Set-Up diskette If any of these items are missing, please contact Black Box at 724-746-5500. 2.2.2 H OW TO U SE T HIS M ANUAL This manual is divided into six chapters and two ...
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20 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Chapter 4, AT Commands, S-Registers and Result Codes, documents default and option AT commands, S-Registers and Result Codes supported by the Mini-Modem. • Chapter 5, Testing Your Modem, covers the modem�...
[Page 22] Black Box MD1620A
21 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3. Installation and Connection 3.1 Before You Install 3.1.1 S AFETY W ARNINGS SAFETY WARNINGS 1. Never install telephone wiring during a lightning storm. 2. Never install telephone jacks in wet locations unless ...
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22 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.1.2 C OMPUTER The Mini-Modem can be connected to any computer with an RS-232 serial port. 3.1.3 S ERIAL C ABLE You must provide a serial cable to connect the Mini-Modem to your computer. Call Black Box at 72...
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23 MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-1. Serial Connectors on the PC. 3.1.4 T ELEPHONE L INE You must have a telephone line with a conveniently located connector (jack) to accept the cable that comes with the Mini-Modem. If you do not have ...
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24 MINI-MODEM (56 KBPS DATA/FAX MODEM) your Mini-Modem fax modem, you must contact your telephone company. 3.1.5 C OMMUNICATIONS S OFTWARE To operate the Mini-Modem, you must have data and fax communications software. Datacomm software simplifies co...
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25 MINI-MODEM (56 KBPS DATA/FAX MODEM) If you use Velcro patches, we recommend that you mount them where they will not obscure the labels on the bottom of the modem. The Mini-Modem has no special placement restrictions, but we recommend that you plac...
[Page 27] Black Box MD1620A
26 MINI-MODEM (56 KBPS DATA/FAX MODEM) NOTE The LINE jack is not interchangeable with the PHONE jack on the Mini-Modem. Do not plug the telephone into the LINE jack or the line cable into the PHONE jack. BABT regulations require that the telecommunic...
[Page 28] Black Box MD1620A
27 MINI-MODEM (56 KBPS DATA/FAX MODEM) 6. Make sure modem and computer/terminal serial- port baud rates are adjusted. Note that several programs can check this for you. Install the Modem in Windows 95 If you are using Windows 95 or 98, you must inst...
[Page 29] Black Box MD1620A
28 MINI-MODEM (56 KBPS DATA/FAX MODEM) 4. If Windows identifies your modem correctly as a MultiModem MT5600ZDX, click Next to install the modem. After the modem is installed, click Finish to exit. 5. If Windows cannot identify your modem (for instan...
[Page 30] Black Box MD1620A
29 MINI-MODEM (56 KBPS DATA/FAX MODEM) force Windows 95 applications to use the Mini-Modem by removing the old modem from Windows. 1. Click the Start button, point to Settings, and click Control Panel. 2. Double-click the Modems icon to open the Mode...
[Page 31] Black Box MD1620A
30 MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-3. Mini-Modem Connections. 3.3 LED Indicators The Mini-Modem has ten LED indicators to report status (such as verifying proper installation) and line activity (such as monitoring the status of a connect...
[Page 32] Black Box MD1620A
31 MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-4. Mini-Modem Front Panel. • TD: Transmit Data. The TD LED flashes when data is being transmitted (on for a space, off for a mark). Signals on this circuit are generated by the terminal and transferr...
[Page 33] Black Box MD1620A
32 MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-5. Mini-Modem Front Panel. • 56: K56flex. This LED is lit when connected to an ISP-type K56flex server. The actual connection speed is contingent upon server capabilities and line conditions. • 28: ...
[Page 34] Black Box MD1620A
33 MINI-MODEM (56 KBPS DATA/FAX MODEM) Modem wants the phone line to do something (dial or answer a call). This LED is also lit when the Mini-Modem has achieved online status. • TR: Terminal Ready. When TR is lit, the Mini- Modem can answer an inco...
[Page 35] Black Box MD1620A
34 MINI-MODEM (56 KBPS DATA/FAX MODEM) AT&V<cr> command. This command lists how your modem is currently configured, the stored (user) profiles, and the first four stored telephone numbers. If you come across a setting you’re unsure of, r...
[Page 36] Black Box MD1620A
35 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Enter “terminal” mode, where you can speak most directly to the modem by issuing AT commands. • Launch a datacomm session through a set of modem configurations which you select and then associate with ...
[Page 37] Black Box MD1620A
36 MINI-MODEM (56 KBPS DATA/FAX MODEM) terminal mode, enter AT followed by <CR> to check whether your modem is operational. If everything’s fine, your modem will respond OK. S IMPLE O PERATIONS You can dial by using the ATD command and the p...
[Page 38] Black Box MD1620A
37 MINI-MODEM (56 KBPS DATA/FAX MODEM) Some software programs allow you to select your modem type from a menu. By this method, you can select initialization strings that correspond to a particular modem type to operate optimally with the software it...
[Page 39] Black Box MD1620A
38 MINI-MODEM (56 KBPS DATA/FAX MODEM) modem: AT&F<cr>. This setting configures your modem to operate optimally with the software it is using. H ARDWARE /S OFTWARE C ONFIRMATION To confirm that your modem (hardware) and communications packa...
[Page 40] Black Box MD1620A
39 MINI-MODEM (56 KBPS DATA/FAX MODEM) S00:002 S01:000 S02:043 S03:013 S04:010 S05:008 S06:002 S07:030 S08:002 S09:006 S10:014 S11:255 S12:050 S18:000 S25:005 S26:001 S36:007 S37:000 S38:020 S46:138 S48:007 S95:000 STORED PROFILE 0: B0 E1 L1 M1 N1 QO...
[Page 41] Black Box MD1620A
40 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7 Troubleshooting Your Mini-Modem was thoroughly tested at the factory before it was shipped. If you are unable to make a successful connection or if you experience data loss or garbled characters during your ...
[Page 42] Black Box MD1620A
41 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.1 N ONE OF THE LED S L IGHT W HEN THE M ODEM IS O N When you turn on the Mini-Modem, the LED indicators on the front panel should flash briefly as the modem runs a self-test. If the LEDs remain off, the mode...
[Page 43] Black Box MD1620A
42 MINI-MODEM (56 KBPS DATA/FAX MODEM) modems. If the problem goes away, the first modem or power supply may be defective. Call Technical Support at 724-746-5500 for assistance. NOTE Do not under any circumstances replace the power- supply with one d...
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43 MINI-MODEM (56 KBPS DATA/FAX MODEM) at least one second, enter +++, and pause another second or more before entering a command. • The E0 and Q1 commands may be in effect, disabling echo and responses. Verify this with the &V command. To ena...
[Page 45] Black Box MD1620A
44 MINI-MODEM (56 KBPS DATA/FAX MODEM) software has made a connection with the modem through the COM port. • Your communication-software settings may not match the physical port the modem is connected to. The serial cable may be plugged into the wr...
[Page 46] Black Box MD1620A
45 MINI-MODEM (56 KBPS DATA/FAX MODEM) COM port, memory address, or interrupt request (IRQ) as your communications port. Be sure to disable any unused ports. To look for address or IRQ conflicts if you use Windows 3.1x, select File, Run in Program Ma...
[Page 47] Black Box MD1620A
46 MINI-MODEM (56 KBPS DATA/FAX MODEM) modem is connected to. In the port’s Properties sheet, click on the Resources tab to see the port’s Input/Output range and Interrupt Request. If another device is using the same address range or IRQ, it will...
[Page 48] Black Box MD1620A
47 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.3 T HE M ODEM D IALS B UT C ANNOT M AKE A C ONNECTION There can be several reasons the Mini-Modem fails to make a connection: • modem is not configured properly. • lack of a physical connection to the te...
[Page 49] Black Box MD1620A
48 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Both local and remote modems may be misconfigured, making negotiation between modems difficult. The solution may be to modify modem parameters via AT command strings. There are other configurations you can m...
[Page 50] Black Box MD1620A
49 MINI-MODEM (56 KBPS DATA/FAX MODEM) Table 3-1. Setting Up Protocols via AT Command Strings. To Force Different Communication Speeds/Protocols Enter these Commands Negotiate Speed and Protocol (default setting) AT&F Negotiate Speed only, do not...
[Page 51] Black Box MD1620A
50 MINI-MODEM (56 KBPS DATA/FAX MODEM) • If the modem reports NO DIALTONE, check that the modem’s telephone line cable is connected to both the modem’s LINE jack (not the PHONE jack) and the telephone wall jack. If the cable looks secure, try r...
[Page 52] Black Box MD1620A
51 MINI-MODEM (56 KBPS DATA/FAX MODEM) modem’s dial prefix—for example, ATDT9,. Note the comma, which inserts a pause before the number is dialed. By inserting 9 and a comma into the dial prefix, you do not have to include it in each director...
[Page 53] Black Box MD1620A
52 MINI-MODEM (56 KBPS DATA/FAX MODEM) another system to make sure your modem is working. Also, try calling the number on your telephone, if you hear harsh sounds, then another modem is answering the call, and the modems may be having problems negoti...
[Page 54] Black Box MD1620A
53 MINI-MODEM (56 KBPS DATA/FAX MODEM) it in Windows 95 or 98 HyperTerminal, select Call, Connect from the menu bar, click Dialing Properties, check This Location Has Call Waiting, and select the correct code for your phone service. • If you have e...
[Page 55] Black Box MD1620A
54 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.5 T HE M ODEM C ANNOT C ONNECT W HEN A NSWERING • Auto-answer may be disabled. Turn on auto- answer in your datacomm program or send the command ATS0=1 to your modem in terminal mode. 3.7.6 S LOW F ILE T R...
[Page 56] Black Box MD1620A
55 MINI-MODEM (56 KBPS DATA/FAX MODEM) a file already compressed by an archiving program, the transfer can be marginally slower with data compression enabled than with it disabled. • Try entering the &V (View Parameters) command, making a scree...
[Page 57] Black Box MD1620A
56 MINI-MODEM (56 KBPS DATA/FAX MODEM) 16550’s data buffers and/or replace the Windows serial driver, COMM.DRV. • Try entering the &V (View Parameters) command, making a screen print of the diagnostics listing, and checking for parameters tha...
[Page 58] Black Box MD1620A
57 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Try entering the &V (View Parameters) command, making a screen print of the diagnostics listing, and checking for parameters that may be unacceptable. ...
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58 MINI-MODEM (56 KBPS DATA/FAX MODEM) 4. AT Commands, S-Registers and Result Codes 4.1 AT Commands AT commands are the means by which you, and your communications software, are able to communicate with and configure your modem. They enable you to ...
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59 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: $ Detect AT&T’s “call card” tone Values: n/a Description: This symbol placed in dialing string enables the modem to detect Command: A Answer Values: n/a Description: Answer an incoming call ...
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60 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Ds Dial Values: s = dial string (phone number and dial modifiers) Default: none Description: Dial telephone numbers, where s may up to 40 characters. Dial-string modifiers: 0-9=DTMF digits 0 to 9 *=The ...
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61 MINI-MODEM (56 KBPS DATA/FAX MODEM) V=Switch to speakerphone mode and dial the following number. Use ATH command to hang up. W=Wait for a new dial tone before continuing to dial. (X0, X1, X3, or X4 must be selected.) S=Dial a telephone number prev...
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62 MINI-MODEM (56 KBPS DATA/FAX MODEM) @=Wait for quiet answer. Causes modem to wait for a ringback, then 5 seconds of silence, before processing next part of command. If silence is not detected, the modem returns a NO ANSWER code. $=Wait for credit ...
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63 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: En Echo Command Mode Characters Values: n = 0 or 1 Default: 1 Description: E0 Do not echo keyboard characters to the computer. E1 Do echo keyboard characters to the computer. Command: Hn On-Hook/Off-Hoo...
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64 MINI-MODEM (56 KBPS DATA/FAX MODEM) I2 Calculates the ROM checksum and compares it to the pres- tored checksum, displaying OK or ERROR. I3 Display the firmware version and application codes. I4 Display OEM defined identifier string in either binar...
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65 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Ln Monitor Speaker Volume Values: n = 0, 1, 2, or 3 Default: 1 Description: L0 Select low volume. L1 Select low volume. L2 Select medium volume. L3 Select high volume. Command: Mn Monitor Speaker Mode V...
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66 MINI-MODEM (56 KBPS DATA/FAX MODEM) speed specified in S37. (Equivalent to +MS <automode> subparameter to 0.) N1 Enables auto-mode. (Equivalent to +MS <automode> subparameter to 1.) Command: On Return Online to Data Mode Values: 0 or...
[Page 68] Black Box MD1620A
67 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Qn Enable/Disable Result Codes Values: n = 0 or 1 Default: 0 Description: Q0 Enable Result Codes. Q1 Disable Result Codes. Command: Sr=n Set Register Value Values: r = S-register number; n varies Defaul...
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68 MINI-MODEM (56 KBPS DATA/FAX MODEM) n? reports the value of S-Register n. For example: ATS7 establishes S7 as the last accessed register. AT=40 sets the contents of the last register accessed to 40. ATS=20 sets the contents of the last regist...
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69 MINI-MODEM (56 KBPS DATA/FAX MODEM) Description: W0 Upon connection, the modem reports DTE speed only (e.g., CONNECT 56000). Other responses are disabled. W1 Upon connection, the modem reports the line speed, the error correction protocol, and th...
[Page 71] Black Box MD1620A
70 MINI-MODEM (56 KBPS DATA/FAX MODEM) look for dial tone or busy signal. X1 Sends X0 messages and CONNECT speed. X2 Sends X1 messages with NO DIALTONE. X3 Sends X1 messages with BUSY. X4 Sends all responses. NOTE If the modem is in facsimile mode (...
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71 MINI-MODEM (56 KBPS DATA/FAX MODEM) hook. In non-error correction mode, the modem will respond to the receipt of a long space (i.e., a break signal greater than 1.6 seconds) by going on-hook. Command: Zn Modem Reset Values: n = 0 or 1 Default: Non...
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72 MINI-MODEM (56 KBPS DATA/FAX MODEM) signal is detected, and DCD is off when the carrier signal is not detected. Command: &Dn Data Terminal Ready (DTR) Control Values: n = 0, 1, 2, or 3 Default: 2 Description: &D0 Modem ignores the true sta...
[Page 74] Black Box MD1620A
73 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Fn Load Factory Default Settings Values: n = 0 or 1 Default: None Description: &F0 Restore factory configuration 0. &F1 Restore factory configuration 1. Command: &Gn V.22bis Guard Tone ...
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74 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Kn Flow Control Selection Values: n = 0, 3, 4, 5 or 6 Defaults: 3 Description: &K0 Flow control disabled. &K3 Enable CTS/RTS hardware flow control. &K4 Enable XON/XOFF flow control. &am...
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75 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Mn Communications Mode Values: n = 0 Defaults: 0 Description: &M0 Asynchronous mode. &M1 Reserved—responds ERROR. NOTE &M0 selects direct asynchronous operation. Note that the command...
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76 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Sn Data Set Ready (DSR) Control Values: n = 0 or 1 Default: 0 Description: &S0 Force DSR ON at all times. &S1 DSR becomes active after answer tone is detected (CD), and inactive after carri...
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77 MINI-MODEM (56 KBPS DATA/FAX MODEM) &T7 Requests remote Digital Loopback with self-test. &T8 Starts local analog loop test with self-test. Command: &V0 View Current Configuration Values: n/a Description: Displays the active modem setti...
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78 MINI-MODEM (56 KBPS DATA/FAX MODEM) STORED PROFILE 0: B0 E1 L1 M1 N1 QO T V1 W0 X4 Y0 &C0 &D0 &G2 &J0 &K3 &Q5 &R1 &S0 &T4 &X0 S00:002 S02:043 S06:002 S07:030 S08:002 S09:006 S10:014 S11:095 S12:050 S18:000 S...
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79 MINI-MODEM (56 KBPS DATA/FAX MODEM) TERMINATION REASON...... LINK DISCONNECT or LOCAL REQUEST Last TX Data Rate...... 33600 BPS Highest TX Data Rate...... 33600 BPS Last RX Data Rate...... 28800 BPS Highest RX Data Rate...... 28800 BPS Error Corr...
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80 MINI-MODEM (56 KBPS DATA/FAX MODEM) &Y1 Select stored configuration 1 on power-up. Command: &Zn=x Store Telephone Number Values: n = 0, 1, 2, or 3 memory locations x = Dialing string Default: None Description: Stores telephone dial string...
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81 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: %L Line Signal Level Values: none Default: none Description: %L Returns a value which indicates the received signal level. The value returned is a direct indication (DAA- dependent) of the receive leve...
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82 MINI-MODEM (56 KBPS DATA/FAX MODEM) For example: AT%Q 015 Command: %7 Plug and Play Serial Number Values: none Default: none Description: %7 Sets and stores eight serial numbers in hex format for serial Plug and Play. For example: AT%7 <8 hex n...
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83 MINI-MODEM (56 KBPS DATA/FAX MODEM) characters><same 4 hex numbers><cr> Command: %C Enable/Disable Data Compression Values: n = 0, 1, 2, or 3 Default: 3 Description: %C0 Disables Data Compression. %C1 Enables MNP 5 data Compression ...
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84 MINI-MODEM (56 KBPS DATA/FAX MODEM) \A3 256-character MNP maximum block size. NOTE The modem will operate an MNP error corrected link using a maximum block size controlled by the parameter supplied. Command: \Bn Transmit Break to Remote Values: n...
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85 MINI-MODEM (56 KBPS DATA/FAX MODEM) NOTE When the modem receives a break from the remote modem, break is passed to the DTE as follows: In non-error-correction mode direct, the break length is passed; in non-error-correction mode normal and in erro...
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86 MINI-MODEM (56 KBPS DATA/FAX MODEM) \K1 Clear data buffers and send break to remote modem. \K2 Same as \K0. \K3 Send break to remote modem immediately. \K4 Same as \K0. \K5 Send break to remote modem in sequence with transmitted data. The second c...
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87 MINI-MODEM (56 KBPS DATA/FAX MODEM) \K5 Same as \K4. The third case is where a break is received from a remote modem during a non-error corrected connection: \K0 Clear data buffers and send break to the DTE. \K1 Same as \K0. \K2 Send break to DTE...
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88 MINI-MODEM (56 KBPS DATA/FAX MODEM) \N2 V.42/MNP reliable mode. \N3 Same as \N2. \N4 V.42 reliable mode. \N5 MNP reliable mode. Command: \Vn Single Line Connect Message Values: n = 0 or 1 Default: n/a Description: \V0 Disables Single Line Connect ...
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89 MINI-MODEM (56 KBPS DATA/FAX MODEM) modulation, optionally enables or disables automode, and optionally specifies the lowest and highest connection rates using one to four subparameters (client modem) or five subparameters (server modem). The co...
[Page 91] Black Box MD1620A
90 MINI-MODEM (56 KBPS DATA/FAX MODEM) Table 4-1. Subparameter Definitions. Subparameter Definitions <mod> Selects Modulation: Possible Rates (bps): 0 V.21 300 1 V.22 1200 2 V.22bis 2400, 1200 3 V.23 1200 9 V.32 9600, 4800 10 V.32bis 14.4K, 12K...
[Page 92] Black Box MD1620A
91 MINI-MODEM (56 KBPS DATA/FAX MODEM) NOTE Use a comma (,) to separate optional parameters. For example: +MS=11, 1, 300, 28800 (+MS command with the default settings). Subparameters that you do not enter remain at their current value. Type a comma a...
[Page 93] Black Box MD1620A
92 MINI-MODEM (56 KBPS DATA/FAX MODEM) -SDR=7 Enables Distinctive Ring Types 1, 2, and 3. The ring types supported and the corresponding ring cadence detect definitions are as follows: Table 4-2. Distinctive Ring Types. Command: )Mn This command is i...
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93 MINI-MODEM (56 KBPS DATA/FAX MODEM) Default: 0 Description: -K0 Disables V.42 LAPM to MNP 10 conversion. -K1 Enables V.42 LAPM to MNP 10 conversion. -K2 LAPM answer mode detection phase. Command: -Qn This command is included only for compatibility...
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94 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: @Mn This command is included only for compatibility and performs no function. Command: :En This command is included only for compatibility and performs no function. Command: *B View Numbers in Blacklist...
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95 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: *D View Delayed Numbers Values: n/a Description: This command causes the modem to send a list of the delayed numbers together with the delay associated with each. The modem will return a list of delayed...
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96 MINI-MODEM (56 KBPS DATA/FAX MODEM) Description: #CID=0 Disables Caller ID #CID=1 Enables Caller ID with formatted presentation to the DTE. The modem will present the data items in a <TAG><Value> pair format. The expected pairs are da...
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97 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: T Tone Dial Values: n/a Description: Tone dial until P (Pulse Dial) Command. Command: +++ Escape Sequence Values: n/a Description: Puts the modem in command mode (and optionally issues a command) while...
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98 MINI-MODEM (56 KBPS DATA/FAX MODEM) AT**1 Download speed is 38.4 kbps AT**1 Download speed is 57.6 kbps NOTE See Chapter 6 for Download to Flash Memory procedure. 4.2 S-Registers Certain Command Mode configurations are stored in memory registers c...
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99 MINI-MODEM (56 KBPS DATA/FAX MODEM) S1 rings 0–255 0 Counts the number of rings that have occurred. S2 decimal 0–255 43 (+) Sets ASCII code for the escape character. Values greater than 127 disable the escape sequence. S3 decimal 0–127 13 (^...
Specifications (2 pages)
Specifications (3 pages)
Operation & user’s manual (270 pages)
Manual (4 pages)