Avaya Nortel Communication Server 1000 Reference page 170

NT5D11 and NT5D14 Lineside T1 Interface cards
If two or more Lineside T1 cards are being installed into the system, the MMI port connections
can be daisy-chained together so that only one MMI terminal is required for up to 128 Lineside
T1 cards. See
page 170. Cards can be located in up to 16 separate IPE shelves. Any card slot in the IPE
shelf can be connected to any other card slot; the card slots connected together do not need
to be consecutive.
Connecting two or more Lineside T1 cards to the MMI terminal
Follow this procedure for connecting two or more Lineside T1 cards to the MMI terminal:
1. Cable the DB9 male connector labeled "P5" (towards MMI terminal) to one of the
2. Make the connection from the first card to the second card by plugging the DB9
3. Repeat Step 2 for the remaining cards.
4. When the last card in the daisy chain is reached, make no connection to the DB9
5. If two Lineside T1 cards are located too far apart to connect the "P4" and "P5"
Figure 31: Lineside T1 card - connecting two or more cards to the MMI
170 Circuit Card Reference
Figure 31: Lineside T1 card - connecting two or more cards to the MMI
COM ports on the back of any TTY, a PC running a terminal emulation program, or
a modem.
female connector labeled "P4" (away from MMI terminal) from the first card into the
DB9 male connector of the second card labeled "P5" (towards MMI terminal).
male connector labeled "P4" (away from MMI terminal).
connectors together, connect them together with an off-the-shelf DB-9 female to
DB-9 male straight-through extension cable, available at any PC supply store.
Comments? infodev@avaya.com
on
July 2011