Specifications

Chapter 6 FOM-40/R Card FOM-40 Installation and Operation Manual
6-8 Installing the FOM-40/R Card
Installing FOM-40/R into the ASM-MN-214 Card Cage
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To install the FOM-40/R card in the ASM-MN-214 card cage:
1. Install the ASM-MN-214 card cage in the 19-inch rack.
2. Insert the FOM-40/R card into one of the ASM-MN-214 slots.
3. Push the card into the cage until it is fully inserted into the edge connector
inside the rack.
4. Tighten the screws on front panel of the modem card.
Connecting the Interfaces
The ST, SC, or FC fiber optic connectors are located on the front panel of the
modem card. The 25-pin D-type female connectors located on the rear panel of
the ASM-MN-214 rack serve as a DTE ports.
1. Remove the protective caps from the connectors and store them in a safe
place for later use.
2. Connect the transmit fiber to the connector marked Tx and the receive fiber to
the connector marked Rx.
3. At the remote unit connect the transmit fiber to Rx and the receive fiber to Tx.
4. If required, attach the appropriate CIA (CIA/X.21/1, CIA/V.35/1, CIA/ETH) or
V.36 adapter cable to the DB-25 connector on the card cage rear panel.
5. Connect the DTE cable to the DB-25 connector, other side of CIA or adapter
cable (depending on your version of the card interface).
6. Connect power to the ASM-MN-214 card cage:
 To connect AC power, connect the power cable to the mains supply.
 To connect DC power, refer to DC power supply connection supplement
of the ASM-MN-214 installation and operation manual.
The ASM-MN-214 card cage has no power switch. Operation starts when the
power is applied to the rear panel POWER connector. When applying power,
first connect the plug of the power cord to the ASM-MN-214 POWER
connector and then to the mains power source (outlet).
Warning