Related Manuals for Versitron F2238
Summary of Contents for Versitron F2238
- Page 1 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 19702 www.versitron.com E040619643...
- Page 2 All VERSITRON products are warranted against defects in materials and workmanship for a period of one year from date of delivery. VERSITRON reserves the right to repair or, at our option, replace parts which during normal usage prove to be defective during the warranty period provided that: 1.
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Page 3: Table Of Contents
SECTION 3: OPERATION 3.1 INTRODUCTION .....................9 3.2 STATUS INDICATORS ...................9 3.3 BIT RATE MONITOR....................9 3.4 CLOCK SELECT OPTIONS ..................9 SECTION 4: THEORY OF OPERATION 4.1 INTRODUCTION .....................10 SECTION 5: MAINTENANCE AND TROUBLESHOOTING 5.1 INTRODUCTION .....................11 5.2 FAULT ISOLATION ....................11 www.versitron.com... - Page 4 1. OVERALL VIEW ......................2 2. MODEM LINK CONFIGURATION................3 3. MODEM JUMPER AND TEST POINT LOCATIONS ..........6 LIST OF TABLES TABLE TITLE PAGE 1. ENCLOSURES / CHASSIS ..................3 2. JUMPER SETTINGS ....................6 3. ELECTRICAL (DB25) INTERFACE PINOUT ............8 4. NON-OPERATIONAL INDICATORS ................11 www.versitron.com...
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Page 5: Section 1: Description Of Equipment
The modems provide synchronous or asynchronous data transmission at speeds up to 10 Mbps. The link is fully transparent in both directions and is data agile. Model F2238 modems are installed with 850 nM multimode optics and operate at distances of up to 2 Km (1.25 mi./6,600 ft.) on multimode fiber cable. -
Page 6: 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). Model HF-1 (single card) desktop enclosures are available for standalone applications. -
Page 7: Modem Link Configuration
HF-20A / 32406 7.1 in. high (18.0 cm) x AC300WR / 32410 (Universal) Rack Mount Chassis 11.6 in. deep (29.5 cm) * One Power Adapter per Modem is required when installed in these Models. TABLE 1. ENCLOSURES / CHASSIS www.versitron.com... -
Page 8: Specifications
Weight: 12.0 oz. (0.34 kg). Power Requirements: 12 VDC @ 1.5A, 18 watts; optional VAC to VDC wall transformer: (VERSITRON Model PSAC15, 120 VAC ~ 60 Hz to 12 VDC, 1.5A) (VERSITRON Model PSAC09, 230 VAC ~ 50 Hz to 12 VDC, 1A) Environment: 0°... -
Page 9: Section 2: Installation
+12 VDC, 1.5A. The power supplies used when installed in a HF-1 enclosure or HF- 2SS chassis are VERSITRON Model PSAC15 (US) providing +12 VDC, 1.5A or PSAC09 (European) providing +12 VDC, 1A. Connect the power adapter to the F22XX modem before inserting its plug into an AC power source. -
Page 10: Jumpers For Input Impedance Selection
Model F2238 TP13 TP11 TP12 TP10 JP13 LOOP JP12 TP14 TP16 TP21 TP15 JP11 JP10 TP17 TP18 +12V -12V TP19 TP20 FIGURE 3. F22XX MODEM JUMPER AND TEST POINT LOCATIONS 2.4.2 Jumpers for Input Impedance Selection Channel 1 (Transmit Data) and Channel 2 (Synchronous Transmit Clock or Asynchronous Data #2) will be set for high impedance when jumpers JP7 and JP9 are not inserted. -
Page 11: Settings For Balanced/Unbalanced Outputs
DTR input to the DCD/DSR output, and the received optical input to the transmit optical output. Therefore the loopback mode tests virtually 100% of the Modem. www.versitron.com... -
Page 12: Initial Checkout Procedure
4. The jumper settings for the circuit configuration are correct (e.g. non-inverted/inverted signal polarity, clock selection, balanced/unbalanced outputs). If a malfunction is detected during the initial checkout procedure, refer to Chapter 5 for information on isolating the malfunction in the unit. www.versitron.com... -
Page 13: Section 3: Operation
One of the two Forced modes should be used if the transmit and received sections of the circuit board are operated independently of each other. The jumper settings are described in Section 2.4 and selection is normally done at the time of installation. Further changes are not required unless the overall system requirements change. SECTION 4 www.versitron.com... -
Page 14: Section 4: Theory Of Operation
If a fully transparent synchronous link is not required, the clock and control paths may be used as additional asynchronous data paths. The transmit and receive clock inputs will handle data rates from 0 to 76.8 Kbps asynchronously. SECTION 5 MAINTENANCE AND TROUBLESHOOTING www.versitron.com... -
Page 15: Introduction
3. Measure the optical levels on both ends (if possible) in order to check the optical link. 4. Contact VERSITRON for assistance. DATA (TX or RX) LEDs Jumpers in wrong position. Check that the jumper is set for the correct are off or not responding.
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