NEC Univerge SV9100, System Hardware Manual

Page: 486 / 556

Issue 2.0
7-10 Installing SV9100 Optional Equipment
S
ECTION
3 B
ACKGROUND
M
USIC
3.1 Installing Background Music
Background Music (BGM) sends music from a customer-provided music source to
speakers in Multiline terminals. If an extension user activates it, BGM plays when
the user’s extension is idle.
1. Connecting to the GCD-CP10:
Connect an RCA line from the AUX1 or AUX2 connector on the GCD-CP10
to the appropriate location on the extension cross-connect block.
2. Connect the two-conductor station cable from the cross-connect block to the
external music source.
3. Install bridging clips as required.
S
ECTION
4 D
OOR
B
OX
4.1 Installing a Door Box
The Door Box is a self-contained, water-resistant, Intercom unit typically used to
monitor an entrance door. A visitor at the door can press the Door Box call button
(like a door bell). The Door Box then sends chime tones to all extensions
programmed to receive chimes. The system can have up to eight Door Boxes.
Figure 7-10 CPRU Connections
IMPORTANT
A PGDAD is required for this option.