Installation guide

AXISQ7920Chassis
Unitconnectors
RearConnectors
Networkconnector:StandardRJ45connector,designedfor10/100/1000Mbps.
Networkconnector:StandardSFPconnector,designedfor1000Mbps.
RS-485connector:UsuallyusedforconnectingPanTiltZoomdevices.
PowerIn/OutConnectors:12VDC100mAout.Thisconnectorcouldbeusedtosupplypowerto
externalunits.
I/OTerminalConnectors:Providesthephysicalinterfaceforupto12I/Os.
ChassisID
ChassisID0–15:SetsachassisID.Usedinmultichassisinstallations.
ChassisIDA-P:Currentlynotused.
Pinassignments
PinAssignmentsforRS485Connector-AXISQ7900andAXISQ7920
Chassis
PinFunctionDescription
1
Channel1,RS485A
2
Channel1,RS485B
3
Channel2,RS485A
4
Channel2,RS485B
5
Channel3,RS485A
6
Channel3,RS485B
7
Channel4,RS485A
8
Channel4,RS485B
9
Channel5,RS485A
10
Channel5,RS485B
11
Channel6,RS485A
Ahalf-duplexRS485interfacefor
controllingauxiliaryequipmentsuchas
PTZdevices.
12