DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112 Issue 5
May 1998
Cable Ductwork
Page C-12
C
Mating Shielded Ducts to Risers
The new shielded duc twork is construc ted so new cross-aisle troug hs can be
attached to risers of the former desig n. They fit outside of the old er risers.
To attach the new shielded trough to a riser, first set it under the trough on the
riser and install the other side of the trough as already d escribed . Lift the trough
as shown in Figu re C- 7, with the walls of the trough outside of the walls of the
riser. Hold a nut under t he trough, and b olt the parts tog ether as shown.
Figure C-7. Shielded Duct Connected to O ld Style Riser
Install Cross Aisle I/O Ductwork
1. If req uired, attach I/O endp l ate (g roup 6) to the cross-aisle bracket s
(group 10). See Figure C-8.
2. Install a cross-aisle brac ket on both sides of the I/O trough where
cross-aisle or wall trough is to b e used. Place th e bracket insid e the I/O
trough with its angle end outside. Secure the b racket using t hree
thread-forming sc rews in each trough (use the holes in the b racket closest
to the angle).
3. If c ross-aisle, install brackets on I/O trough of c ross-aisle cabinet.
4. Place I/O c ross-aisle trough (group 10) or I/O wall trough (group 26) on
brackets and sec ure with thread-forming screws.
newductKLC 071696