Andrew Wireless Innovations Group RPT-MOR701 User Manual
User’s manual for Remote Unit MOR701B Power
M0069A0A.doc
Id.-No 151154
Page 33
23-June-99
The electrical connection has to be as follows.
External alarm 1 (low active)
External alarm 2 (low acitve)
External alarm 3 (high active)
External alarm 2 (low acitve)
External alarm 3 (high active)
External alarm 4 (high active)
Ground
Ground
Configuration: 5 V / 0.5 mA max. for open collector applications.
All external alarms are normally high without connection. Due to the fact that the external
alarms 3 and 4 are high active, they have to be connected to ground to prevent an alarm
message.
alarms 3 and 4 are high active, they have to be connected to ground to prevent an alarm
message.
The factory-set response after typing the software command STATUS EXTALARM is for
instance „EXT. ALARM 1 OK“, if the alarm is not active and „EXT. ALARM 1 FAILURE“,
if the alarm is active.
instance „EXT. ALARM 1 OK“, if the alarm is not active and „EXT. ALARM 1 FAILURE“,
if the alarm is active.
The name for each external alarm and the name for the alarm message can be defined by the
customer with the corresponding software command.
customer with the corresponding software command.
The following example describes the response for the external alarms to control a UPS.
Example:
External alarms if the UPS is active
EXTERNAL ALARM STATUS
UPS alarm active
Battery low !
UPS door open
Battery door open
UPS alarm active
Battery low !
UPS door open
Battery door open
or
External alarms if the UPS is not active
EXTERNAL ALARM STATUS
UPS not active
Battery OK
UPS door closed
Battery door closed
UPS not active
Battery OK
UPS door closed
Battery door closed
For the DC wiring an additional cable bridge has to be installed on the control module (see
figure 4-2 Cable configuration and installation position).
figure 4-2 Cable configuration and installation position).