Versitron F2238 Technical Manual

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[Page 1] Versitron F2238

E040619643 F2238 / F2240 / F2245 FOM II Series RS-530 High-Speed Fiber Optic Modem Technical Manual June 2004 Copyright June 2004 VERSITRON, Inc. 83 Albe Drive / Suite C Newark, DE 1970...

[Page 2] Versitron F2238

ii www.versitron.com PROPRIETARY DATA All data in this manual is proprietary and may not be disclosed, used or duplicated, for procurement or manufacturing purposes, without prior written permission by VERSITRON, Inc. ...

[Page 3] Versitron F2238

iii www.versitron.com TABLE OF CONTENTS PARAGRAPH TITLE PAGE SECTION 1: DESCRIPTION OF EQUIPMENT 1.1 INTRODUCTION .....................................................................................................1 1.2 DESCRIPTION ...

[Page 4] Versitron F2238

iv www.versitron.com LIST OF ILLUSTRATIONS FIGURE TITLE PAGE 1. OVERALL VIEW .........................................................................................................2 2. MODEM LINK CONFIGURATION............................

[Page 5] Versitron F2238

1 www.versitron.com SECTION 1 DESCRIPTION OF EQUIPMENT 1.1 INTRODUCTION This manual provides general and detailed information on the installation and operation of Model F22XX FOM II Series RS-530 High-Speed Fiber Optic Modems. Sectio...

[Page 6] Versitron F2238

2 www.versitron.com 1.2.2 Physical Characteristics Model F22XX modems measure 7 x 1 x 11 in. WxHxL (17.8 x 2.5 x 27.9 cm). They are designed to be mounted in VERSITRON’s FOM II Series HF enclosures and chassis (see Table 1). M...

[Page 7] Versitron F2238

3 www.versitron.com Receive Data (A) <— 3 2 <— Transmit Data (A) Receive Data (B) <— 16 14 <— Transmit Data (B) Receive Clock (A) <— 17 24 <— Terminal Timing (A) Receive Clock (B) ...

[Page 8] Versitron F2238

4 www.versitron.com 1.3 SPECIFICATIONS Data Rate: Any data rate from 250 Bps to 10.0 Mbps, synchronous; 100 Kbps, asynchronous. Operating Mode: Simplex, Half or Full duplex operation over fiber optic cable pair. Optical Interfa...

[Page 9] Versitron F2238

5 www.versitron.com SECTION 2 INSTALLATION 2.1 GENERAL This section contains information on the installation and initial checkout of the Model F22XX modems. Paragraph 2.2 contains general information on site selection and mounting. ...

[Page 10] Versitron F2238

6 www.versitron.com TX RX DS5 -12V GND TP19 6 JP1 JP4 JP2 11 JP5 JP3 12 1 1 JP11 +12V TP17 TP18 TP2 TP1 TP3 GND TP15 TP4 TP6 TP8 TP14 TP5 GND JP13 DS4 DS3 1 DS2 DS1 TP9 8 2 TP10GND TP13 TP11 TP7TP12 JP12 +5V TP20 TP16 TP21 JP10 JP8 1 1 ...

[Page 11] Versitron F2238

7 www.versitron.com 2.4.5 Settings for Balanced/Unbalanced Outputs The conversion from Balanced to Unbalanced output data streams is accomplished using jumper JP11, which is a 24-pin jumper network. For MIL-STD-188-114 Balanced (RS-...

[Page 12] Versitron F2238

8 www.versitron.com 2.7 INITIAL CHECKOUT PROCEDURE The F22XX Modem contains no power on/off switch. Once properly installed and powered, the unit is fully operational. The power indicator should remain on as long as power is supp...

[Page 13] Versitron F2238

9 www.versitron.com SECTION 3 OPERATION 3.1 INTRODUCTION This chapter contains a description of the operating controls and indicators associated with the Model F22XX FOM II series Modems. Since the Model F22XX is designed for continuou...

[Page 14] Versitron F2238

10 www.versitron.com THEORY OF OPERATION 4.1 INTRODUCTION Basic operation of the Model F22XX is similar to a two-channel, full duplex multiplexer. The first channel is used for high-speed synchronous data. The second channel is used fo...

[Page 15] Versitron F2238

11 www.versitron.com 5.1 INTRODUCTION This chapter contains general information designed to isolate a malfunction in the Model F22XX to a replaceable unit. These units are not equipped with redundancy. Therefore, a failure in one of th...