Issue 6
Electra Elite
5 - 112
Installing Electronic Telephone Units
6.4.2 Installation
Install only one ECR-U( ) in slots S3~S6.
6.4.3 LED Indications
Live LED
indications are listed below.
Blinking Red
Normal Operation
Steady Red
Operation Stopped (power on
Off
No Power
Busy LED
indications are listed below.
Steady Red
Some Relays Busy
Off
All Relays Idle
6.4.4 Connectors
Refer to
Table 5-55 Connector Descriptions (CN2)
and
Figure 5-61 ECR-U( ) ETU
.
CN1
Connects to the Backboard
CN2
Relay Contacts for Relays 11 and 12
CN3
Both-way Audio Connection for
External Paging
CN4
Audio output for Tone Ringer and Night
Chime
Table 5-55 Connector Descriptions (CN2)
Pin Number
Description
13~16
Not Used
12
Relay #1 General Purpose
11
10
Relay #0 General Purpose
9
5~8
Not Used
4
Zone Paging Audio Input
3
2
External Paging BGM input
1
Содержание ElectraElite 48
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