NEC Australia Pty Ltd Xen Master & Xen Axis
5 - 126 Installing Electronic Telephone Units
A6-324000-642-01 – Release 4.0
May 2001
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
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