AXISQ7436VideoEncoderBlade
3Channel1,Congurable
I/O1
4Channel2,Congurable
I/O1
5Channel3,Congurable
I/O1
6Channel4,Congurable
I/O1
7Channel5,Congurable
I/O1
8Channel6,Congurable
I/O1
9Channel1,Congurable
I/O2
10Channel2,Congurable
I/O2
Digitalinput-ConnecttoGND
toactivate,orleaveoating(or
unconnected)todeactivate.
Digitaloutput-Usesanopen
drainNFETtransistorwiththe
sourceconnectedtoGND.Ifused
withanexternalrelay,adiode
mustbeconnectedinparallel
withtheload,forprotection
againstvoltagetransients.
Mininput=–40VDC
Maxinput=+40VDC
Maxload=100mA
Maxvoltage=+40VDC
(tothetransistor)
11RS485A
12RS485B
Ahalf-duplexRS485interfaceforcontrollingauxiliary
equipmentsuchasPTZdevices.
PinassignmentsfortheI/OConnectoroftheAXISQ7900andAXISQ7920Chassis
PinFunctionDescription
1Channel1,Congurable
I/O1
2Channel2,Congurable
I/O1
3Channel3,Congurable
I/O1
4Channel4,Congurable
I/O1
5Channel5,Congurable
I/O1
6Channel6,Congurable
I/O1
Digitalinput-ConnecttoGND
toactivate,orleaveoating(or
unconnected)todeactivate.
Digitaloutput-Usesanopen
drainNFETtransistorwiththe
sourceconnectedtoGND.If
usedwithanexternalrelay,
adiodemustbeconnected
inparallelwiththeload,for
protectionagainstvoltage
transients.
Mininput=–40VDC
Maxinput=+40VDC
Maxload=100mA
Maxvoltage=+40VDC
(tothetransistor)
10