NEC Electra Elite 192 Hardware Manual page 168

Issue 6
5 - 22
4.1.2 Installation
When a BRT(4)-U10 ETU is installed, a CLKG-U10 Unit
must be installed on the CPUB( )-U10 ETU.
A maximum of 8 BRT(4)-U10 ETUs can be installed in
slots S1~S4 in the basic or first expansion KSU in the
system.
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 Channel 1.
¥
Jumper Pins 1 and 2 are shorted together at the
factory to turn on the 100 Ω terminal.
CN201 and CN202
Set the 100 Ω termination to On or Off for Channel 2.
¥
Jumper Pins 1 and 2 are shorted together at the
factory to turn on the 100 Ω terminal.
CN301 and CN302
Set the 100 Ω termination to On or Off for Channel 3.
¥
Jumper Pins 1 and 2 are shorted together at the
factory to turn on the 100 Ω terminal.
CN401 and CN402
Set the 100 Ω termination to On or Off for Channel 4.
¥
Jumper Pins 1 and 2 are shorted together at the
factory to turn on the 100 Ω terminal.
4.1.5 LED Indications
LED1 indications are listed below.
Blinking Red
¥
Steady Red
¥
Off
¥
LED2 L1 Status for BRI CKT #1
Steady Red when L1 is working
¥
Normal Operation
Operation Stopped
(power on)
No Power
Installing Electronic Telephone Units
Electra Elite