Nortel T1/SMDI Configuration Manual page 50

Connecting the CallPilot server to the switch
T1 link connection
Note: Each Line Side T1 card supports one T1 link. Each D/480JCT-2T1
board supports up to two T1 links. For DMS-100 switches, an external
channel bank is required instead of Line Side T1 cards..
The parts to install and EMC cable requirements
The cable must be a non-loaded, staggered-twist, paired cable with a
characteristic impedance of 100 ohms at 772 kHz.
ATTENTION
T1 cables (A0788107)
50
CallPilot
server
D/480JCT-2T1
boards
In order to comply with the FCC Part 15, CISPR 22 and
EN 55022 EMC emissions requirements, the T1 cable must
be shielded, and must have a ferrite bead (Manufacturer:
Fair-Rite Products Corporation, Part Number:
0443164251) placed on the cable, one inch from the
connector.
RJ-48C
Cable connector
Pin 1
DSX-1
T1 cables
Switch
Line Side
T1 cards
g250012
Standard 1.13
CallPilot