Component identification 10
Item LED description
3
Auto-bypass
4
Alarm
For more information, see "LED and audible alarm troubleshooting (on page 94)" .
UPS rear panel
Item Description
1
Communications terminal block
2
Output circuit breaker
3
Input circuit breaker
4
Battery circuit breaker
5
Input/output power connectors
6
ERM connector
7
Option card slots
8
Output connector (only for use with output module)
9
Ground bonding screw
10
DB-9 service port
11
REPO port (NO and NC)
NOTE: For proper UPS operation, be sure that the terminal block jumpers are inserted as shown.
REPO port
WARNING: The REPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit. This circuit
must be separated from any hazardous voltage circuits by reinforced insulation.
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