Electra Elite
Issue 6
System Hardware Manual
5 - 9
3.3.3
Connectors
Before programming System Data, the battery must be
connected to
CN4
to allow memory retention when a
power failure or brownout occurs. When a brownout or
power failure does occur, and the battery backup circuit is
not activated, System Data resets to the default values,
all stations in the system reset to the default values, and
any data programmed on individual stations is cleared.
The following connectors are located on the MBD-U10
Unit.
MOH IN
For music on hold input
PFT
For Power Failure Transfer
COM1
For LCR/PC programming
COM2
For SMDR
CN4
For backup battery
CN5
Connects to CN1 of the CLKG-U( ) Unit
CN6
Connects to CN2 of the CLKG-U( ) Unit
3.3.4
LED Indications
Table 5-2 MBD-U10 Unit LED Indications
LED
Description
On
Flashing Off
CPU LIVE
CPU status
Operation stopped
(Power On)
Normal Operation
No Power
LED2
Power status
System Power On
Not Used
System Power Off
ESI LIVE
ESI status
Operation stopped
(Power On)
Normal Operation
No Power
ESI Busy
ESI Busy status
Some Port(s) busy
Not Used
All ports idle
Содержание ElectraElite 48
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