American Fibertek MR-88SL Eight Supervised Contact Module Receiver

Eight Supervised Contact Module Rx 1310nm 21dB SM.

The Fibertek MR-88SL multiplexes 8 channels of input dry closure on one singlemode fiber. A set LEDs the transmitter and receiver units indicates channel(s) status. supervision will detect an open connection shorted as alarm. alarm condition is removed only when voltage falls within predetermined range. Failsafe operation provided such that, if optical power loss or dc loss, normally outputs go to states (open). Diagnostic indicators provide quick visual indication system Equipment may be ordered stand alone modules rack cards that are mounted in Card Cage: SR-20/2

• 8 Channels, Form-C (Normally Closed) Closure
• Diagnostics: Power, Presence Channel Indicators
• High Density DB26 Data Connector with Adaptor screw terminal
• External Supervision