|Fiber Type:||MULTI MODE|
|Number of Channels:||2|
The ComNet(TM) FDC1 single-channel and FDC2 dualchannel modems are designed to detect and report a breakage or the loss of optical signal in either multimode or single-mode fiber plants. Featuring a self-contained transmitter and receiver, these units provide an optical output that is transmitted continuously through a customer-furnished fiber loop, where it returns to the internal receiver section. Should the optical path be lost through a deliberate or unintentional breakage of the fiber, relay contacts in the modem immediately change their state and report the loss of optical signal. These contacts are user-configurable as either normally open (NO) or normally closed (NC), and may be utilized for either a local or remote indication of cable plant tampering, damage, or failure. An LED status indicator is provided for a local indication of the optical path continuity. Packaged in the exclusive ComNet ComFit housing, these units may be either wall or rackmounted, or may be DIN-rail mounted by the addition of ComNet model DINBKT1 adaptor plate. The dualchannel 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. As these modems are industrially hardened and rated for operation from -40 to +75 degrees C, they may be deployed in virtually any unconditioned out-of-plant or roadside environment. Plug-and-play design ensures ease of operation, and no optical or electrical adjustments are ever required.
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