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56 Install an E1/T1 card and daughterboards
You can install the E1/T1 card, DDCH daughterboard, and the DCHI
daughterboard in any order. However, before you define the DCH links
(LD 17), you must configure the PRI, PRI2, and DPNSS/DASS loops in
the software (LD 17).
Install NTBK51AA/NTBK51CA and NTAK93AB daughterboards
You can install the NTBK51AA/NTBK51CA or the NTAK93AB, and the
E1/T1 card in any order. However, PRI, PRI2 and DPNSS/DASS loops
(LD 17) in the PRI Gateway must be configured in software before the
DCH links are defined (in LD 17).
Follow the steps in
NTAK93AB daughterboards on an E1/T1 card" (page
ATTENTION
The MGP supports both DDCH Daughter Boards (NTBK51) and DCHI Daughter
Boards (NTAK93). The only version of the NTBK51 daughterboard that you
can use on a PRI Gateway is the NTBK51AA/NTBK51CA daughterboard that
supports two E1/T1 spans. You cannot use version NTBK51BA because it has
a different pin configuration (the NTBK51BA is used on OPT11 systems that
support only one span). The NTAK93AB DCHI daughterboard supports only
one E1 span.
Procedure 4
Installing NTBK51AA/NTBK51CA and the NTAK93AB daughterboards on an
E1/T1 card
Step
1
2
Media Gateway 1000E PRI Gateway Installation and Commissioning
Procedure 4 "Installing NTBK51AA/NTBK51CA and the
CAUTION
You must wear the static discharge bracelet located inside the
cabinet before you handle circuit cards. Failure to wear the
bracelet can result in damage to the circuit cards.
Action
Unpack and inspect the DCH daughterboards.
Each daughterboard comes with four standoffs for mounting the
daughterboard on the E1/T1 card.
ATTENTION
If you are installing a DCH daughterboard on the lower side (lower
left or lower right) of the E1/T1 card, use the standoffs that come with
the DCH daughterboard.
If you are installing a DCH daughterboard on the upper side (upper
right or upper left) of the E1/T1 card, use the standoffs that come with
the E1/T1 package.
Align the standoffs on the daughterboard with the mounting holes
on the E1/T1 card.
Nortel Communication Server 1000
NN43041-311 04.01 4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
56).
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