NEC Australia Pty Ltd
Xen Master & Xen Axis
5 - 124
Installing Electronic Telephone Units
A6-3
240
00-6
42-
01 –
R
e
leas
e 4
.0
M
a
y
20
01
A maximum of 2 BRT(4)-U13 ETUs can be installed in the
Xen Axis system, in slots S3 and S4.
4.1.3
Switch Settings
SW1 is the reset switch.
4.1.4
Jumpers
CN101 and CN102
✆
Set the 100
Ω
termination to On or Off for Interface 1.
CN101 and CN102 shorted together from the factory
turns on the 100
Ω
terminal.
CN201 and CN202
✆
Set the 100
Ω
termination to On or Off for Interface 2.
CN201 and CN202 shorted together from the factory
turns on the 100
Ω
terminal.
CN301 and CN302
✆
Set the 100
Ω
termination to On or Off for Interface 3.
CN301 and CN302 shorted together from the factory
turns on the 100
Ω
terminal.
CN401 and CN402
✆
Set the 100
Ω
termination to On or Off for Interface 4.
CN401 and CN402 shorted together from the factory
turns on the 100
Ω
terminal.
4.1.5
LED Indications
LED1 indications are listed below.
✆
Blinking Red
Normal Operation
✆
Steady Red
Operation Stopped (power still on)
✆
Off
No Power
LED2 L1 Status for BRI Interface 1
✆
Steady Red when Layer 1 is working
LED3 L1 Status for BRI Interface 2
✆
Steady Red when Layer 1 is working
LED4 L1 Status for BRI Interface 3
✆
Steady Red when Layer 1 is working
LED5 L1 Status for BRI Interface 4
✆
Steady Red when Layer 1 is working
LED6
✆
Steady Red when B1 or B2 are busy in Interface 1.
LED7
✆
Steady Red when B1 or B2 are busy in Interface 2.