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Relay card Page 2 Release: May 2008
Accordingly, if pin1 short-circuit with pin2 via the jumper, the status of dry contact signal
will be ACTIVE CLOSE, refer to Fig 2. When the signal is active, the signal pin on the
DB9 connector will CONNECT with the common pin (pin5) via the relay.
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
UPS FAIL
ALARM
COMMON
BYPASS
BATTERY LOW
UPS ON
LINE LOSS
1
2
3
4
5
9
8
7
6
JP2
JP4
RY02
RY01
RY05
RY03
RY04
JP3
JP1
JP6
JP5
Fig. 2 Connection for ACTIVE CLOSE
If Pin3 short-circuit with Pin2 via the jumper, the status of dry contact signal will be
ACTIVE OPEN, refer to Fig 3. When the signal is active, the signal pin on the DB9
connector will DISCONNECT with the common pin (pin5) via the relay.
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
UPS FAIL
ALARM
COMMON
BYPASS
BATTERY LOW
UPS ON
LINE LOSS
1
2
3
4
5
9
8
7
6
JP2
JP4
RY02
RY01
RY05
RY03
RY04
JP3
JP1
JP6
JP5
Fig. 3 Connection for ACTIVE OPEN