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6.1 Overview
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6.1.2 Specifications
Transfer system
Start-stop synchronization
Baud rate
9600 bps
Data length
8 bits
Parity
None
Stop bits
1 bit
Delimiter
CR+LF
Handshake
hardware
Electrical
characteristic
Input voltage levels ON 5 V to 15 V
OFF
-15 V to -5 V
Output voltage levels ON 5 V to 9 V
OFF
9 V to -5 V
RS-232C interface connector pin assignments
(D-subminiature 9-pin male)
6 7 8 9
1 2 3 4 5
Signal assignments and explanation
Connector (Dsub)
pin number
Circuit
Description
RS-232C
CCITT
1
---
---
Unused
2
BB(RxD)
104
Received Data
3
BA(TxD)
103
Transmitted Data
4
CD(DTR)
108/2
Data Terminal Ready
5
AB(GND)
102
Signal Ground
6
---
---
Unused
7
CA(RTS)
105
Request to Send
8
CB(CTS)
106
Clear to Send
9
---
---
Unused
RS-232C connector
The connector on the 3511-50 is for terminal (DTE). Connect the RS-232C
cable.
Summary of Contents for 3511-50
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