15
80544B_MHW_DIGISTAR II - DIGISTAR II Control - GF-BOX_02-2013_ENG
Serial port COM1 (11)
Male DB9 connector. The serial line on COM1 can be configured in RS232, RS422, RS485 mode.
Configuration is carried out by moving the relevant dip switches according to the table provided below.
In order to access the dip switch, open the rear cover on DIGISTAR II or on GF-BOX, see specific
paragraph.
The serial configured in RS422 is opto-insulated.
The serial configured in RS485 is opto-insulated.
n.c. = do not connect
TABLE MODE COM1:
1
2
3
4
5
6
7
8
9
RS232 RS422 RS485
Signal
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
Function
Data Carrier Detect
Receive Data
Trasmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Ring
Signal
RX-
RX+
TX+
TX-
GND
Function
Receive Data -
Receive Data +
Transmit Data +
Transmit Data -
Ground n.c.
n.c.
n.c.
n.c.
n.c.
Signal
TX+/RX+
TX-/RX-
GND
Function
DATA+
DATA-
Ground n.c.
Nr. Pin
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