Rs-232 serial i/o (com1 and com2) – Extron Electronics VN-Matrix 300 User Guide User Manual
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VN-Matrix 300 • Technical Data
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RS-232 Serial I/O (COM1 and COM2)
Function:
COM1 – used for low level setup or system recovery.
COM2 – used for cross-network serial communications and
alarm relay.
Connector type:
9-pin D-type (male)
Pin-out details:
View into chassis plug
Connector Shell = Screen
COM 1 connector pin out
Pin Function
Pin Function
1
DCD
6
DSR
2
RX (data in)
7
RTS
3
TX (data out)
8
CTS
4
DTR
9
RING
5
Ground
COM 2 connector pin out
Pin Function
Pin Function
1
DCD
6
DSR
2
RX (data in)
7
RTS
3
TX (data out)
8
Alarm Relay NC
4
Alarm Relay COM
9
Alarm Relay NO
5
Ground
Mating connector:
9-pin D-type (female)
with metal cover
Recommended cable:
6-core plus overall screen (low capacitance),
0.22 mm
2
min. per core.
Maximum cable length:
2.95 meters (9.5 feet).
Comms standard:
RS-232
COM1 default setting:
Baud:
115200
Bits:
8
Parity:
None
Stop Bits:
1
Flow Control: None
COM2 setting:
The default settings are able
to be modified to suit user
requirements for control of
external equipment.
Baud:
115200
Bits:
8
Parity:
None
Stop Bits:
1
Flow Control: None