P
IN
A
SSIGNM ENT S
B-2
DB-9 Port Pin Assignments
Console Port to 9-Pin COM Port on PC
Console Port to 25-Pin DCE Port on Modem
EIA
Circuit
CCITT
Signal
Description
Switch’s
DB9 DTE
Pin #
PC DB9
DTE
Pin #
Modem
DB25
DCE Pin #
Signal
Direction
DTE-DCE
CF
109
DCD
(Data Carrier Detected) 1
1
8
<------
BB
104
RxD
(Received Data)
2
2
3
<------
BA
103
TxD
(Transmitted Data)
3
3
2
------>
CD
108.2
DTR
(Dat a Terminal Ready)
4
4
20
------>
AB
102
SG
(Signal Ground)
5
5
7
-------
CC
107
DSR
(Data Set Ready)
6
6
6
<------
CA
105
RTS
(Request -t o-Send)
7
7
4
------>
CB
106
CTS
(Clear-to-Send)
8
8
5
<------
CE
125
RI
(Ring Indicator)
9
9
22
<------
Switch’s 9-Pin
Serial Port
CCITT Signal
PC’s 9-Pin
COM Port
1 D CD
----------- D CD ------------
1
2 RX D
<--------- TX D ------------
3
3 TX D
----------- RX D ---------->
2
4 D TR
----------- D SR ---------->
6
5 SG ND
----------- SG ND ----------
5
6 D SR
----------- D TR ------------
4
7 RT S
----------- C TS ----------->
8
8 C TS
<--------- RTS -------------
7
9 RI
----------- RI ---------------
9
Switch’s 9-Pin
Serial Port
CCITT Signal
Modem’s 25-Pin
DCE Port
1
<--------- D CD ------------
8
2
<--------- RX D ------------
3
3
----------- TX D ---------->
2
4
----------- D TR ---------->
20
5
----------- SG ND ----------
7
6
<--------- D SR ------------
6
7
----------- RTS ----------->
4
8
<--------- C TS -------------
5
9
<--------- RI ---------------
22
Summary of Contents for 8606SX - annexe 1
Page 2: ......
Page 124: ...WEB BASED MANAGEMENT 3 50 ...
Page 134: ...ADVANCED TOPICS 4 10 ...
Page 138: ...TROUBLESHOOTING A 4 ...
Page 142: ...PIN ASSIGNMENTS B 4 ...
Page 150: ...INDEX Index 4 ...
Page 151: ......