5-4.1. Rs-232 Operation - Aeroflex Weinschel 8310 Operation & Service Manual

Model 8310
5-4.1. RS-232 Operation: The RS-232 Serial port is a 9-pin connector that is compatible with the pin-out of the serial
port on a PC. It allows the use of a null-modem style cable. The pin-out for the connector is show below. For clarity,
the signal names and directions are relative to the 8310.
Pin
1
2
3
4
5
6
7
8
9
The DTR signal is asserted when power is on, indicating that the unit is ready.
Aeroflex / Weinschel
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Signal Name Description
DCD unused
RxD Receive data
TxD Transmit data
DTR Signals DTE is on-line
GND Ground
DSR unused
RTS Signals DTE is ready
CTS Signals DCE is ready
RI unused
RS232
9-pin DB9
Pinout
6
DSR
7
RTS
8
CTS
9
RI
Null Modem Cable
1
2
3
4
5
6
7
8
9
Direction
---
input
output
output
---
---
output
input
---
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
1
2
3
4
5
6
7
8
9
IM-289A
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