Nortel Communication Server 1000S Installation And Configuration Manual page 141

Figure 51
QPC720 Multi Group cabling without an echo canceller
PRI Card
(Primary
reference)
REF1 J1
REF2 J2
D-CH J5
LOOP J3
T1
J4
RS232 J6
Note 1: Maximum cable distance from PRI card to DS-1 cross connect is 200 m (655 ft).
Note 2: Maximum cable distance from PRI card to LD-1 is 229 m (750 ft).
Note 3: QPC720 does not interface with NT8D04 Superloop Network Card.
NT8D72 and QPC720 PRI card installation
QCAD130 to PRI Card
(Secondary reference)
QCAD130
QCAD130
QCAD328A to DCHI or
NTND26 to MSDL
QCAD124
QCAD128
Cabinet
I/O Panel
(Note 1)
No connection
ISDN Primary Rate Interface
J1
QPC471
Clock
J2
Controller
0
J3
QCAD110
J1
QPC471
Clock
J2
Controller
1
J3
J2
DCHI
QPC414
J2
(Note 3)
QCAD133
DS-1
Cross-Connect
Terminal
Installation and Configuration
Page 141 of 394
SCG0
QPC417
Junctor
SCG1
LD-1
(Note 2)
C e n t r a l
O f f i c e
553-7366.1