Optelecom 9522A Installation And Operation Manual page 31

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Table 9 — RS232 Primary and Secondary Data Port Connections
Pin #
Identification
2
Transmit Data (DT)
3
Receive Data (RD)
4
Ready to Send (RTS)
5
Clear To Send (CTS)
6
Data Set Ready (DSR)
7
Signal and Chassis Ground
8
Carrier Detect (CD)
8 — T
F
RS232 W
IGURE
YPICAL
9 — C
F
IGURE
ONNECTING A
, 9526AY
PC DB9 C
IRING
TO
L
9526AY M
OCAL
ODEM IN A
Signal Direction, Comments
Input to modem
Output From Modem
Input To Modem
Output from Modem
Output (this output is always tied High)
Output (this output is always tied High)
ONNECTOR
R
D
C
C
ING OR
AISY
HAIN
ONFIGURATION TO
31
A
D
C
NOTHER
AISY
HAIN

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