User's Manual

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D-620616-0-20 Rev A CONFIDENTIAL
Fusion Wideband Main Hub Rear Panel
Table 3-3 lists the function of each pin on the 9-pin D-sub connector.
This interface can both generate two source contact alarms (Fault and Warning) and
sense 3 single external alarm contacts (Alarm Sense Input 1 through 3).
3.3.1.2 N-type Female Connectors
There are two 50 Ohm N-type connector pairs for each of the 2 bands on the rear
panel of the Hub:
• The
DOWNLINK connector receives downlink RF signals from a repeater, local
base station, or MetroReach Focus system.
• The
UPLINK connector transmits uplink RF signals to a repeater, local base sta-
tion, or MetroReach Focus system.
CAUTION:The UPLINK and DOWNLINK ports cannot handle a DC power
feed from the local base station. If DC power is present, a DC block must be
used or the Fusion Wideband hub may be damaged.
Table 3-3 9-pin D-sub Pin Connector Functions
Pin Function
1 Alarm Sense Input (DC Ground)
2 Alarm Sense Input 3
3 Alarm Sense Input 2
4 Warning Source Contact (positive connection)
5 Warning Source Contact (negative connection)
6 DC Ground (common)
7 Fault Source Contact (positive connection)
8 Alarm Sense Input 1
9 Fault Source Contact (negative connection)