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The serial interface is EIA Standard RS-232C serial input, start-stop synchronization.
• Baud Rate: 300, 600, 1200, 2400, 4800, 9600 (default), 19,200, or 38,400 bps
• Data Word Length: 7 (default) or 8 bits
• Parity: None (default), odd, even
• Stop Bit Length: 1 bit or more
• Message Buffer Length: 8,192 bytes
• Communication Protocol: Ready/Busy (default) or X-ON/X-OFF
Pin No.
Signal
1
Protective Ground
2
Transmitted Data
3
Received Data
4
Request to Send
5
Unused
6
Data Set Ready
7
Signal Ground
8 to 10
Unused
11
Supervisory Send Data
12 to 19
Unused
20
Data Terminal Ready
21 to 25
Unused
Symbol
Direction
PG
-
TD
From printer
RD
To printer
RTS
From printer
-
-
DSR
To printer
SG
-
-
-
SSD
From printer
-
-
DTR
From printer
-
-
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