Installation guide

CIB 3012
(Z201A) 5-VOICE TERMINAL EXPANSION MODULE FOR MODEL 820 (61218)
The 5-Voice Terminal Expansion Module (Figure 1), when in-
stalled in a Model 820 control unit, permits connection of five
additional voice terminals to the system.
MODULE
SLOTS
Z6C DOOR
Figure 1
INSTALLATION
1.
2.
Open and remove control unit door (Figure 2)
On the control unit, set the power switch to OFF and if the
auxiliary power cord is connected, disconnect it from ac out-
let.
LOCKING TAB
HANDLE
FACEPLATE
Warning:
Installing or removing modules from control
unit with power on could cause damage to equip-
ment.
3.
4.
5.
6.
7.
8.
At the leftmost empty module slot, release locking tab (Fig-
ure 3), pull, and lower faceplate to the horizontal position.
Slide the 5-voice terminal expansion module (Figure 4) into
mounting slot until it is properly seated. (Do Not Use Exces-
sive Force.)
Close and latch faceplate.
Reconnect auxiliary power supply, if applicable (Step 2).
Turn the control unit power switch to ON. (When power is
applied to the control unit, the red warning lamp should light
momentarily and go off. The green lamp should come on and
stay on.)
If voice terminals are to be connected at this time, follow
instructions in Model 820 Installation Manual.
Figure 2
Figure 3
5-VOICE
TERMINAL
MODULE
Figure 4
Equipment manufactured by AT&T Technologies in U.S.A.