Specifications

CONNECTING THE
CONTROL UNIT
Before connecting the control unit to the system (Figure 8-5), you must be
sure of the following:
l The building wiring is completely installed.
l The jack field labels correspond with their distant end locations.
l The distant end labels correspond with the jack field labels (optional).
l The network interface labels have the correct telephone numbers.
FIGURE 8-5 Connecting the control unit.
I
Control unit
I
Voice terminal
jack field
CO line
D2R kord
Network interface
wiring
Make sure the control unit power is off before connecting system. wires. Then,
refer to the System Configuration Form for the first step in each of the
following procedures.
Voice Terminal Wiring
See Figure 8-6 and follow these steps to install voice terminal wiring:
FIGURE 8-8 Installing voice terminal wiring.
yn...,Tq
Modular voice
terminal cord
1 Label one end of each D8W cord for each intercom number.
2 Plug the unlabeled end of each intercom cord into the corresponding voice
terminal jack of the control unit.
MFRI IN Phrn Svstem Insttnllntinn 8-7