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UDR-204(C) Operation manual Revision 3.0
5.2 Terminal Information
5.2.1 DSUB-9P
(RS-232)
1
5
6
9
No Name
Description
2 RXD
Receive
Data
3 TXD
Transmit
Data
5 GND
Signal
Ground
5.2.2
DSUB-15P (PTZ / AUX / ALARM / SENSOR)
1
8
9
15
No Name
Description
No Name
Description
1
RS-485+
RS-485 Transmit Data +
9
Alarm Out
Alarm Out (NO)
2
RS-485-
RS-485 Transmit Data -
10
Alarm Out
Alarm Out (COM)
3
AUX1
11
Alarm Out
Alarm Out (NC)
4 AUX2
Auxiliary In Port
(RSI, ARI, RONOFFI)*
12 Sensor1
5 AUX3
13 Sensor2
6 AUX4
14 Sensor3
7 AUX5
Auxiliary Out Port
(ARO, RSTO, ERRO,
DFO, RSO)*
15 Sensor4
NO/NC
8 GND
Signal
Ground
* Abbreviation
RSI
Record Start In
RSTO
Record Start Out
RI
Alarm Reset In
ERRO
Error Out
RONOFFI
Record On Off In
DFO
Disk Full Out
ARO
Alarm Record Out
RSO
Record Status Out