User's Manual

PN 8700-10 Help Hot Line (U.S. only): 1-800-530-9960 6-39
620003-0 Rev. A
PRELIMINARY Alarm Source
Using a Base Station to Monitor Unison
When you connect a BTS to Unison, the Unison Main Hub is the output of the alarms
(alarm source) and the BTS is the input (alarm sense), as shown in the following figure.
Figure 6-7 Connecting a BTS to Unison
Use the Alarm Source Daisy-Chain Cable (see page 6-42) to support both major and
minor errors or the 5-port Daisy-Chain Alarm Cable (see page 6-41) to support major
errors only.
Unison Main Hub
Alarm
Sense
Alarm
Source
Alarm
Source
BTS
5-port Daisy-Chain Alarm Cable or Alarm Source Daisy-Chain Cable