
Page 146 of 188 NTD12 Dual-port DTI/PRI card description and installation
553-2901-200 Standard 11.00 August 1996
Installing the NT5D12 DDP
CAUTION
The static discharge bracelet located inside the cabinet must be worn before handling circuit
cards. Failure to wear the bracelet can result in damage to the circuit cards.
Procedure 20 - Installing the NT5D12 DDP
Step
Action
1
Determine the cabinet and shelf location where the DDP is to be
installed. The DDP can be installed in any card slot in the Network bus,
subject to the cautionary note below.
CAUTION
Some installed-based systems may have a Bus Terminating Unit (BTU) already installed. This
may interfere with a selected DDP card location. In such cases, the DDP should be installed in an
alternate network bus card slot location.
2
Unpack and inspect circuit cards and cables.
3
If DDCH is to be installed, refer to
“DDCH installation for all systems”
4
Set the option switches on the DDP circuit card before installation.
Refer to
“DDP switch settings” on page 139
.
S1 (faceplate switch) must be OFF (DIS) when installing the DDP. S1
on the DDP corresponds to the faceplate switch on the QPC414
Network card.
5
Install DDP circuit card in the assigned shelf and slot.
6
Add related office administration data into the system memory. Refer
to the work order and the ISDN PRI Description and Administration
NTP(553-2901-100).
7
If required, install the I/O adapters in the I/O panel.