NEC Xen Master System Hardware Manual page 153

System Hardware Manual
The DID ETU is not available in New Zealand.
4.7.2 Installation
1 A maximum of 16 DID(4)-U13 ETUs can be installed
in the Xen Master system (maximum of 64 trunks) in
slots S1~S8 in the first, second or third KSU.
2 A maximum of 4 DID(4)-U13 ETUs can be installed
in the Xen Axis system (maximum of 16 trunks) in
slots S3 ~ S7.
4.7.3 LED Indications
Live LED indications are listed below.
✆
Blinking Red
✆
Steady Red
✆
Off
LED 2~5 indications are listed below.
✆
Steady Red
✆
Off
4.7.4 Connectors
Figure 5-21 DID(4)-U13 ETU
Normal Operation
Operation Stopped (power still on)
No Power
Lines 1~4 busy
Lines 1~4 idle
May 2001
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