NEC Univerge sv8500 Manual page 2584

4. Alarm Indicating Panel and External Music-On-Hold
4.1 General
Alarm Indication Panel can notify the maintenance personnel the occurrence of faults of the system by an audi-
ble and visual indicator as shown below. The alarm information (MJ/MN) is obtained via EMA SUB-A card that
is mounted in the Telephony Server. This card is also equipped with terminals (FM and E) for receiving external
Music-On-Hold tone.
[Alarm Indicating Panel]
N E C
Alarm Indicating Panel
[External Music-On-Hold]
[1] AC Powered Model/1-IMG of DC Powered Model
Music Source
[2] 4-IMG of DC Powered Model
Music Source
Alarm Indicating Panel and External Music-On-Hold
Alarm Information
External Music-On-Hold
External Music-On-Hold
CHAPTER 2
MDF
Alarm
EMA
SUB-A
Telephony
Server
MDF
EMA
SUB-A
Telephony
Server
MDF
TSWR
Telephony
Server
VOL.3-97
TERMINAL-RELATED DEVICES
LC
Music-On-Hold
LC
Music-On-Hold