Dte Cable Pinouts - 3Com 3C8S5007 - SuperStack II PathBuilder S500 Switch User Manual

X.21 DTE Cable This cable connects the switch to an X.21 DCE.
Pinouts
Figure 35 Flex-WAN and X.21 DTE Connectors
60-pin Flex-WAN male connector
.
Table 22 X.21 DTE Cable Pinouts
Flex-WAN Connector
Signal
CTS/RTS+
CTS/RTS-
RTS/CTS+
RTS/CTS-
TxD/RxD+
TxD/RxD-
Circuit Ground
RxC/TxCE-
RxC/TxCE+
RxD/TxD-
RxD/TxD+
Shield Ground
Shorting Group 1
Shorting Group 2
* Unused twisted wires of a twisted pair should be connected to Shield Ground. In this cable this
To PathBuilder switch
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46
Pin
1
2
9
10
11
12
15
25
26
27
28
46
47
48
51
52
is one wire of twisted pair 4.
Flex-WAN Serial Connectors and Serial Cables
X.21 DTE Connector
Direction Pin
5
12
3
10
2
9
- 8
13
6
11
4
Cable Shield 1
- -
- -
To DCE
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
15-pin male connector
Signal Twisted Pair
Indicate+
Indicate-
Control+
Control-
Transmit+
Transmit-
Control GND
Timing-
Timing+
Receive-
Receive+
Shield Ground
-
-
97
*
1
2
3
4
5
6
-
-
-