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3300 ICP Hardware User Guide
226 Release 3.3
Install the R2 Card
The R2 card is installed in any empty DSU slot. The DSU cabinet supplies the power for the
card and provides a message interface back to the control cabinet through the FIM interface
and the fiber optic cable.
To install the R2 card:
1. Attach the anti-static strap to your wrist.
2. Insert the R2 card into the slot and close the locking latches.
Connect the R2 card to the PSTN network
To connect the R2 card to the network:
1. Unpack and inspect the R2 coaxial cables.
2. Plug the R2 cable into the R2 port.
3. Plug the R2 cable into the network terminating equipment.
Note: A dual-port card needs two coaxial cables if you are using both ports.
Note: The R2 coaxial cables have both transmit (arrow pointing away from cable) and
receive (arrow pointing towards cable) connectors. When you set the card for trunk side
termination (jumper at NT position), connect the R2 coaxial cable transmit lead to the
network receive connector, and the R2 coaxial receive lead to the network transmit
connector. When you set the card for line side termination (jumper at LT position), connect
the R2 coaxial cable transmit lead to the network transmit connector, and the R2 coaxial
receive lead to the network receive connector.