User Manual UWMS-01 Version 2.3
© 2008~2010 SYM. All rights reserved.
Page 13
C.
Dry Contact Set-up
Some legacy Sprint Devices do not have Ethernet interface, e.g., MA 410. Devices which have dry
contact alarms can still be connected to the UWMS-01 through the UWMS-01’s dry contact port. The
UWMS-01 can receive up to four (4) dry contact alarms and convert these to one of the five (5) SNMP
alarms defined in the Sprint MIB.
There are four (4) LEDs on the bottom of the UWMS-01, matching the four (4) dry contact alarms. When
an alarm event occurs, the corresponding dry contact LED will be lit in solid green. When the alarm
clears, the LED will be off.
Picture 8. Dry Contact Set-up Screenshot
(1)
Add New Dry Contact Alarm: Assign a proper Port number (1~4), input Site ID provided by
Sprint, select one of the 5 alarms with which you want to associate the dry contact alarm,
select dry contact form type based on the device’s connection contact form, then click the
blue plus sign. If you select “RF Power,” when alarm event occurs, Sprint NOC will see the
event as “RF Power” alarm. Model and Type information are not required.
Here are 3 dry contact form types. (Form A, B,C)
•
Normally-open (
NO
) contacts connect the circuit when the relay is activated; the circuit is
disconnected when the relay is inactive. It is also called a
Form A
contact or "make"
contact.
•
Normally-closed (
NC
) contacts disconnect the circuit when the relay is activated; the
circuit is connected when the relay is inactive. It is also called a
Form B
contact or "break"
contact.
1
2
3
4
