Setting-up for operation
10
UM_SUT50_EN.doc
Security Products
06.2014
4.4
Pin mapping for Sub-D connector
Fig. 2
9-pole Sub-D-Connector
The mapping of the 9-pole Sub-D connector depends on the configured interface
(see also
Interface configuration
)
The following table shows the possible pin mapping:
Pin
TTY *
RS485
RS232 **
1
TTY-OUT+
TxD+
n.c
2
TTY-OUT–
TxD–
TxD
3
TTY-IN+
RxD+
RxD
4
TTY-IN–
RxD–
n.c
5
n.c.
n.c.
GND
6
GND DC
GND DC
GND DC
7
12V DC
12V DC
12V DC
8
n.c.
n.c.
n.c.
9
n.c.
n.c.
n.c.
* For TTY-operation with a VKS648 or VKS164, power supply has to be
electrically isolated from ground!
** RS232 cable length is 5m maximum
Fig. 3
Connectors
1
Feed-though for power supply
2
Sub-D connector
3
6-pole modular connector
4
LAN connector
1
2
3
4