User's Manual

Installing Unison Components PRELIMINARY
6-38 InterReach Unison User Guide and Reference Manual
PN 8700-10
620003-0 Rev. A
6.7.1 Alarm Source
Unison is always an alarm source, no matter what type of equipment you are connect-
ing to.
Using MetroReach Focus to Monitor Unison
When you connect MetroReach Focus to Unison, the Unison Main Hub is the output
of the alarms (alarm source) and Focus is the input (alarm sense), as shown in the fol-
lowing figure.
Figure 6-6 Connecting MetroReach to Unison
Focus supports only major errors. However, you can use either the 5-port
Daisy-Chain Alarm Cable (see page 6-41) or the Alarm Source Daisy-Chain Cable
(see page 6-42).
Unison Main Hub
RF OUT
DOWNLINK
RF IN
UPLINK
FIBER
UPLINK
DOWNLINK
ALARM
RS-232C
MetroReach
Focus
RFM
Alarm
Sense
Alarm
Source
Alarm
Source
5-port Daisy-Chain Alarm Cable or Alarm Source Daisy-Chain Cable