Download Electra Elite 48 System Hardware Manual

Issue 7
Electra Elite
4.1.2
Installation
If a BRT(4)-U( ) ETU is installed, a CLKG-U( ) Unit must
be installed in connectors CN5 and CN6 on the MBD-U10
Unit.
A maximum of two BRT(4)-U( ) ETUs can be installed in
the system in slot S3 or S4 (S7000 or lower).
Using S8000 or higher, up to two BRT(4)-U( ) ETUs can
be installed in slots S3~S6.
4.1.3
Switch Settings
SW1 is the reset switch.
4.1.4
Jumpers
CN101 and CN102
Set the 100Ω termination to On or Off for Channel 1.
CN101 and CN102 shorted together from the
factory turn on the 100Ω terminal.
CN201 and CN202
Set the 100Ω termination to On or Off for Channel 2.
CN201 and CN202 shorted together from the
factory turn on the 100Ω terminal.
CN301 and CN302
Set the 100Ω termination to On or Off for Channel 3.
CN301 and CN302 shorted together from the
factory turn on the 100Ω terminal.
CN401 and CN402
Set the 100Ω termination to On or Off for Channel 4.
CN401 and CN402 shorted together from the
factory turn on the 100Ω terminal.
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Installing Electronic Telephone Units