Instruction Manual

Connecting Contact Alarms to a Fusion System
7-48 InterReach Fusion Installation, Operation, and Reference Manual
CONFIDENTIAL D-620TBD-0-20 Rev A
Do not mix Unison and Fusion Main Hubs in the same daisy-chain. You can
daisy-chain multiple Unison Hubs together and use the Alarm Sense Adapter Cable to
connect the chain to a Fusion Main Hub, which will act as an alarm sensor.
7.7.1 Alarm Source
Fusion always acts as an alarm source, no matter what type of equipment you are con-
necting to. Refer to Section 7.7.2 on page 7-51 if you want Fusion to sense Unison
contact closures or other external alarms.
Using MetroReach Focus to Monitor Fusion
When you connect MetroReach Focus to the Fusion, the Fusion Main Hub is the out-
put of the alarms (alarm source) and Focus is the input (alarm sense), as shown in
Figure 7-18. Focus supports only faults (major errors).
Figure 7-18 Connecting MetroReach to Fusion
RF OUT
DOWNLINK
RF IN
UPLINK
FIBER
UPLINK
DOWNLINK
ALARM
RS-232C
MetroReach
Focus
RFM
Alarm
Sense
Alarm
Source
Alarm
Source
5-port Alarm Daisy-Chain Cable
May need
9-pin Adapter,
which ships
with the cable
Fusion Main Hub