Nortel Networks 1000 - Manual (Page 278)

278 NT5D33 and NT5D34 Lineside E1 Interface cards
for future use. As with the external alarm connections, MMI connections
are optional. Up to 128 LEIs can be linked, located in up to 16 separate
IPE shelves, to one MMI terminal using the daisy chain approach.
If only one LEI is installed, cable from the DB9 male connector labeled
"P5" (toward MMI terminal) to one of the COM ports on the back of any
TTY, a PC running a terminal emulation program, or a modem. For
installations of only one card, no connection is made to the DB9 female
connector labeled "P4" (away from MMI terminal).
If two or more LEIs 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 LEIs. See
Figure 59 "LEI card - connecting two
or more cards to the MMI" (page 279) . Cards can be located in up to
15 separate IPE shelves. Start with any card slot in the IPE shelf and
connect to any other card slot. Connected card slots do not need to be
consecutive.
Procedure 14
Connecting two or more LEIs to the MMI terminal
Step Action
Follow this procedure for connecting two or more LEIs to the MMI terminal:
1 Cable the DB9 male connector labeled "P5" (toward MMI
terminal) to one of the COM ports on the back of any TTY, a PC
running a terminal emulation program, or a modem.
2 Make the connection from the first card to the second card by
plugging the DB9 female connector labeled "P4" (away from MMI
terminal) from the first card into the DB9 male connector of the
second card labeled "P5" (toward MMI terminal).
3 Repeat step 2 for the remaining cards.
4 At the last card of the daisy chain, make no connection from the
DB9 female connector labeled "P4" (away from MMI terminal).
5 If two LEIs are too far apart to connect the "P4" and "P5"
connectors connect them with an off-the-shelf DB9 female to
DB9 male straight-through extension cable, available at any PC
supply store.
--End--
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.