Nortel Communication Server 1000 Manual page 145

Table 71
NT8D72 PRI connections
Connector Description
J1 and J2 Connection to the Clock Controller(s), allowing the system to utilize clock from the
connected system, as programmed in the software.
J3 Connection to the QPC414 network card.
J4 Front panel connection to Line Terminating Equipment. The following pin
assignments are selected via the DIP switch on the NT8D72.
J4-1 XMIT-TIP - transmit to network
J4-9 XMIT-RING - transmit to network
J4-2 Shield return
J4-3 RCVR-TIP - receive from network
J4-11 RCVR-RING
J4-4 Shield return
J5 Connection to the NT5K35, NT5K75, or NT6D11AE/AF DCHI, via QCAD328 cable.
RCV MON Miniature bantam connection, used for testing.
XMT MON Miniature bantam connection, used for testing.
PRI circuit card locations
Each NT8D72 PRI card requires two adjacent slots on a shelf. The
positioning of the PRI card is machine-specific, and must adhere to the
following guidelines.
The following slots can be used if they are not required for other cards.
SHELF SLOT
Network 4 to 9
Half Group, Single Group
The NT8D72 PRI circuit card occupies two adjacent slots on a network
shelf. As many as three circuit cards can be plugged into a network shelf.
The actual number depends on the loops and superloops configured on
the system.
The following slots can be used if they are not required for other cards.
SHELF SLOT
Network 3 to 8
When there are no vacant card slots on the network shelves for the
installation of PRI2 cards, a network shelf with a power converter circuit
card may be added to the system. Specific locations will depend on
available space. Please refer to
shelf" (page 147) for installation procedures.
Nortel Communication Server 1000
DASS2 Fundamentals
NN43001-571 04.01 4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
"Installing a system network expansion
Non DPRI 145