Installation Manual

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INS_FDC1-FDC2_REV–

02/21/11

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INSTALLATION AND OPERATION MANUAL

FDC1 / FDC2

FIBER OPTIC CABLE BREAKAGE MONITOR/DETECTOR

The FDC1 single-channel and FDC2 dual-channel modems are designed to

detect and report a breakage or the loss of optical signal in either multimode or

single-mode fiber plants. The dual-channel version contains two independent

transmitter and receiver units in one compact package, and is ideal for

continuously monitoring the optical status of two separate fiber loops.

The solid-state non-latching relays default to a normally open state in the event of

power loss or loss of optical signal. See Figure 5 on Page 4 for contact settings.

Each module incorporates power and individual status indicating LED’s for

monitoring confirmation of contact closure of each of the eight channels. See

Figures 6 and 7 on Page 4 for an explanation of the LED indicators.

Packaged in the exclusive ComNet ComFit housing, these units may be

either wall or rack-mounted, or may be DIN-rail mounted by the addition of

ComNet model DINBKT1 adaptor plate. See Figure A on Page 5 for mounting

instructions.

See Figures 1 – 7 for complete installation information.

Summary of content (5 pages)

PAGE 1
INSTALLATION AND OPERATION MANUAL FDC1 / FDC2 FIBER OPTIC CABLE BREAKAGE MONITOR/DETECTOR The FDC1 single-channel and FDC2 dual-channel modems are designed to detect and report a breakage or the loss of optical signal in either multimode or single-mode fiber plants. The dual-channel version contains two independent transmitter and receiver units in one compact package, and is ideal for continuously monitoring the optical status of two separate fiber loops.
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INSTALLATION AND OPERATION MANUAL FDC1 / FDC2 FIGURE 1 – FDC1 TRANSCEIVER MULTIMODE OR SINGLE MODE OPTICAL FIBER BLACK BLACK WITH WHITE STRIPE Power Supply: Surface Mount: 8–27 VDC @ 150mA Rack Mount: From Rack FIGURE 2 – FDC1 TRANSCEIVER FRONT PANEL REAR PANEL NOTE: Remove Electrical Connector for Rack Mount Units TECH SUPPORT: 1.888.678.
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INSTALLATION AND OPERATION MANUAL FDC1 / FDC2 FIGURE 3 – FDC2 TRANSCEIVER MULTIMODE OR SINGLE MODE OPTICAL FIBER BLACK BLACK WITH WHITE STRIPE Power Supply: Surface Mount: 8–27 VDC @ 150mA Rack Mount: From Rack FIGURE 4 – FDC2 TRANSCEIVER FRONT PANEL REAR PANEL NOTE: Remove Electrical Connector for Rack Mount Units TECH SUPPORT: 1.888.678.
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INSTALLATION AND OPERATION MANUAL FDC1 / FDC2 FIGURE 5 – TYPICAL RELAY SETTINGS 1 2 Cable Dual Channel FDC2 Contact Single Channel FDC1 NO = Normally Open* NC = Normally Closed* * Note: Power On, cable intact state. FIGURE 6 – LED INDICATORS (FDC1) CABLE 1 GREEN Fiber Loop Intact RED Fiber Loop Broken OFF Unit powered down FIGURE 7 – LED INDICATORS (FDC2) CABLE 1 CABLE 2 GREEN Fiber Loop Intact Fiber Loop Intact RED Fiber Loop Broken OFF TECH SUPPORT: 1.888.678.
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MECHANICAL INSTALLATION INSTRUCTIONS INSTALLATION CONSIDERATIONS This fiber-optic link is supplied as a Standalone/Rack module. Units should be installed in dry locations protected from extremes of temperature and humidity. STANDALONE: Connect Earth Ground Lead to a nearby Earth Ground. FIGURE A Dimensions are for a standard ComNet™ one slot module .156 [3.