Ssignments - Planet Networking & Communication WGS3-2620 User Manual

DB-9 Port Pin Assignments
EIA Circuit CCITT
Signal
CF 109
BB 104
BA 1033
CD 108
AB 102
CC 107
CA 105
CB 106
CE 125
Console Port to 9-Pin COM Port on PC
Switch's 9-Pin Serial Port
1 DCD
2 TXD
WGS3 Layer 3 Switch User's Manual
Description Switch's DB9
DTE Pin #
DCD (Data 1
Carrier
Detected)
RxD 3
(Received
Data)
TxD 2
(Transmitted
Data)
DTR (Data 6
Terminal
Ready)
SG (Signal 5
Ground)
DSR (Data 4
Set Ready)
RTS 8
(Request-to-S
end)
CTS 7
(Clear-to-Sen
d)
RI (Ring 9
Indicator)
CCITT Signal
----------- DCD ------------
----------- RXD ---------->
PC DB9 DTE Modem DB25
Pin # DCE Pin #
1 8
2 3
3 2
4 20
5 7
6 6
7 4
8 5
9 22
PC's 9-Pin COM Port
1
2
- 253 -
Signal
Direction
DTE-DCE
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