Nortel Meridian 1 Succession 1000M Installation And Configuration Manual page 227

Procedure 33
Installing the OPS analog line card
1 Set the jumpers on the NT1R20 OPS card.
Each line interface unit on the card is equipped with two jumper blocks
that are used to select the proper loop current, depending upon loop
length. Refer to Table 26 on
For units connected to loops of 460 to 2300 ohms, both jumper blocks for
that unit must have jumper straps installed. For loops that are 460 ohms
or less, jumper straps are not installed.
Figure 91
Set the jumpers
2 Insert the OPS card in its assigned slot.
3 Cross-connect off-premise telephones as described in "Connecting
off-premise telephones" on
Refer to Figure 93 on
OPS card.
Installing optional circuit cards
page 228 and Figure 92 on
page 339.
page 230 for cross-connection information for the
End of Procedure
Small System
Page 227 of 562
page 229.
Installation and Configuration