12 Setting the NT4G19EA Power Supply for 115 or 220 Vac Operation
Practice 450-1011-201
Note: The filler plates are attached in segments. Break off as many segments as
are required to fill the open space. The filler plates simply snap into the cutout
window.
(10) If the Analog Link SRU is present in the system, install the analog line cards
as described in the procedure ‘Installing the Analog Line Cards’, later in this
part.
(11) Once the SRUs are all installed, check the cabinets for levelness as described
in Part 4, as the weight of the SRUs can cause the cabinets to shift somewhat.
(12) Make the necessary cabling connections at the rear panel of the SRUs
according to Part 8. These connections include the following:
•
connecting the cable between the Primary Processor and the Mass Storage
SRU (or other SRUs in a SCSI cluster)
•
making direct cabling connections from RS-232-C devices to the Primary
Processor or Applications Processors (to be done only with Northern
Telecom's authorization)
•
cabling connections to the office cross-connect panel from the interface
SRUs (for example, the LANlink and Analog Link SRUs)
•
cabling connections to DS1-compatible equipment from Digital Trunk
Link SRUs
•
plugging in the ac input cable when all installation tasks have been
completed and you are initializing the system according to the instructions
in the Guide to DNC Base Software Installation, 450-1011-302. (This
document is available to authorized system installers.)
(13) Close the cabinet doors for proper air flow and cooling.
