NEC Australia Pty Ltd
Xen Master & Xen Axis
5 - 134
Installing Electronic Telephone Units
A6-3
240
00-6
42-
01 –
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4.6.4
LED Indications
Live LED indications are listed below.
✆
Blinking Red
Normal Operation
✆
Steady Red
Operation Stopped (power still on)
✆
Off
No Power
LED 101~401 indications are listed below.
✆
Steady Red
Lines 1~4 busy
✆
Off
Lines 1~4 idle
FAX LED indications are listed below.
✆
Steady Red
Fax port is in use (device off-hook)
✆
Off
Fax port is idle (device on-hook)
4.6.5
Connectors
The following connector is located on the COID(4)-U( )
ETU.
✆
CN1
Connects to the backboard
4.7
DID(4)-U13 ETU
4.7.1
Description
The DID(4)-U13 ETU provides interface for Direct Inward
Termination (or DID) lines. This ETU provides for a
maximum of four DID lines. Wink start, delay start,
immediate start, and second Dial Tone are accommodated
with this ETU. Dial Pulse and DTMF are also supported.
There are four built-in DTMF signal detectors. Refer to
Figure 5-21 DID(4)-U13 ETU.
Содержание Xen Master
Страница 1: ...System Hardware Manual NEC Australia Pty Ltd A6 324000 642 01 Release 4 0 May 2001...
Страница 37: ...May 2001 System Hardware Manual 2 19 A6 324000 642 01 Release 4 0 May 2001 Figure 2 1 System Block Diagram...
Страница 123: ...May 2001 System Hardware Manual 5 105 A6 324000 642 01 Release 4 0 May 2001 Figure 5 7 CPUB U13 ETU...