Installation Instructions

Table Of Contents
10262090001 Revision B 14–2 Maintaining Quad T1 card
To replace a Quad T1 card in the same slot, follow these steps:
Note
When you replace a Quad T1 card in the same slot, do not
make any software configuration changes.
1. Shut down the Controller: Click Start Shutdown, select
Shut down the computer?, and click Yes .
2. After you see the message indicating that it’s OK to turn off
power to the computer, turn off the Controller power
switch.
3. Remove the Controller cover (as explained on page 2–11).
4. Remove any PBX or BTS connections to the back of the
Quad T1 card to be replaced.
5. Disconnect the H.100 ribbon cable (shown in Figure 14-1)
from the card to be replaced.
Figure 14-1 H.100 and MVIP bus cables
T0001026
16
H.100 bus cable
MVIP bus cable
Quad T1 cards
4
56
7
89
Slot
Bus adapter card
6. If there are Quad T1 cards in both slots adjacent to the card
to be replaced (on each side), remove the cable from all
cards to the end of the cable in either direction (so you can
remove the card).
7. If the card to be replaced is the first one in a chain of Quad
T1 cards (typically in slot 9), remove the MVIP cable also.
See Figure 14-1.
8. Unscrew the hold–down screw for the card to be removed.
9. Remove the card by carefully lifting it up.
10. Set the S1 (termination) DIP switches on the new card to
match those on the removed card. (For the location of these
switches, see Figure 2-9 on page 2–13.)
14.1
Replacing a Quad
T1 card in the same
slot