Справочник Пользователя для 3com S21x
B-8
PathBuilder S21x Switch Cabling
V.35/V.36 Cable
V.35/V.36 Cable
V.35/V.36 DCE
Cable Pinout
Cable Pinout
The following table shows the DCE pinouts forV.35 and V.36 cables.
Pin
Function/Signal Name
1
SHIELD/FRAME GROUND
2
TRANSMITTED DATA A
3
RECEIVED DATA A
4
REQUEST TO SEND
5
CLEAR TO SEND
6
DATA SET READY
7
SIGNAL GROUND
8
DATA CARRIER DETECT
13
TRANSMIT CLOCK B
14
TRANSMITTED DATA B
15
TRANSMIT CLOCK A
16
RECEIVED DATA B
17
RECEIVE CLOCK A
18
RECEIVE CLOCK B
19
RECEIVE CLOCK B
20
DATA TERMINAL READY
21
TRANSMIT CLOCK B
22
EXTERNAL TRANSMIT CLOCK B
24
EXTERNAL TRANSMIT CLOCK A
25
(No Connection)