NEC Australia Pty Ltd
Xen Master & Xen Axis
5 - 126
Installing Electronic Telephone Units
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4.2.2
Installation
A maximum of 2 PRT(1)-13 ETUs can be installed in the
Xen Master system (maximum of 60 trunks), in slot S4 of
the first KSU and slot S1 of the second KSU.
A maximum of 1 PRT(1)-U13 ETUs can be installed in the
Xen Axis system (maximum of 10 trunks) in slot S4 only.
4.2.3
Switch Settings
Switch SW2 resets the ETU. Switch SW1 settings are:
4.2.4
LED Indications
Table 5-4 PRT(1)-U13 ETU Switch Settings
SW1 Bits
Usage
Setting
Function
(PRT Firmware V1.00)
Function
(PRT Firmware V1.01 or later)
1-3
Country
Selection
000
ETSI PRI (Australia)
INS Net 1500 (Japan
001
INS Net 1500 (Japan)
ETSI PRI (Australia)
010
NI-2 (USA)
Not Used
011
5ESS (USA)
Not Used
100
DMS100 (USA)
5ESS (USA)
101
4ESS (USA)
DMS100 (USA)
110
Not Used
4ESS (USA)
111
Not Used
NI-2 (USA)
4-8
Not Used
00000
Table 5-5 LED Indications
LED No.
Colour
PCB
Marking
Description
LED1
Green
Live
Indicates communication
between ETU and CPU
LED2
Red
Call
Indicates Call in progress on any
channel OR channel busy
LED 3
Red
L1 Active
Indicates Physical Link up
condition for ISDN interface
LED 4
Red
SLIP
Indicates SLIP has occurred
LED 5
Red
RAI
Remote Alarm Indication (RAI)
from network OR channel busy
LED 6
Red
LOF
Loss of Frame (LOF) alarm OR
channel busy
LED 7
Red
AIS
Alarm Indication Signal (AIS)
from network OR channel busy
