Installing The Cabinets - Northern Telecom DNC-50 Installation Manual

4. Installing the Cabinets

This procedure describes how to install cabinets in new systems, then
describes how to add cabinets to an existing lineup. It assumes the cabinets
have been moved to the installation area, unpacked, and inspected according
to Part 3.
The procedure involves positioning the cabinets and installing the
interconnecting hardware, which is shipped in separate cartons. Power is
supplied from a commercial ac source or from -48 V office battery. If
supplied from -48 V office battery, refer to Part 17 for instructions on
installing the power supply system.
Ensure that the appropriate hardware and tools are at hand.
EQUIPMENT:
1
1
1
1
1
REAR DOOR HARDWARE:
1
1
Note: Cabinet systems do not require separate grounding straps.
Grounding is provided by the grounding post on the ac input cord
when ac power is used. For systems operating from -48 V office
battery, the grounding is provided by a ground lead from the office
battery.
per system, Input Jumper Assembly
per system, Terminating Jumper Assembly
fewer than the total number of cabinets, Horizontal Jumper Assembly
per cabinet, rear cabinet door
per cabinet, fan cover assembly.
Hingepin
Slotted screw 6/32 (1/4 inch)
15
Practice 450-1011-201