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DCHI installation for all systems
553-2901-200 Standard 11.00 August 1996
Procedure 16
Installing the QPC757 DCHI
1
Determine the cabinet and shelf location of the circuit card to be
installed.
The QPC757 DCHI card can be installed in any slot appropriate for an
I/O port card on a network shelf. For single CPU systems only, the
QPC757 DCHI card can be located on the Common Equipment (CE)
shelf. Refer to
Tables 49
and
50
for your system capabilities.
2
Unpack and inspect card.
3
Set option switches and jumper plugs on the DCHI card. For PRI
capability, set port J2 to odd. For ISL capability, set port J2 for high
speed or low speed programming.
4
Set faceplate toggle switch to DISABLE.
5
Install DCHI card into the assigned shelf or module and slot.
6
Run and connect DCHI cables: connect QPC757 J2 to QPC720 PRI
J5 with a QCAD328A cable.
7
Set faceplate toggle switch to ENABLE.
8
Enable the loop in LD 60.
9
Coordinate start-up and verification of the DCHI with the start-up of the
PRI. See
ISDN Primary Rate Interface description and administration
(553-2901-100). Enable the DCHI card using LD 96, command ENL
DCH x.