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

RS-449 DTE Cable
Pinouts
This cable connects the switch to an RS-449 DCE.
Figure 37 Flex-WAN and RS-449 DTE Connectors
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
60-pin Flex-WAN male connector
.
Table 24 RS-449 DTE Cable Pinouts
Flex-WAN Connector
Signal Pin
CTS/RTS+ 1
CTS/RTS- 2
DSR/DTR+ 3
DSR/DTR- 4
DCD/DCD+ 5
DCD/DCD- 6
DTR/DSR+ 7
DTR/DSR- 8
RTS/CTS+ 9
RTS/CTS- 10
TxD/RxD+ 11
TxD/RxD- 12
TxCE/TxC+ 13
TxCE/TxC- 14
Circuit Ground 15
Circuit Ground 16
TxC/RxC- 23
TxC/RxC+ 24
RxC/TxCE- 25
RxC/TxCE+ 26
RxD/TxD- 27
RxD/TxD+ 28
LL/DCD 44
Flex-WAN Serial Connectors and Serial Cables
1 2 3
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
37-pin male connector
RS-449 DTE Connector
Direction Pin
9
27
11
29
13
31
12
30
7
25
4
22
17
35
- 19
- 20
23
5
26
8
24
6
10
To DCE
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Signal Twisted Pair
CS+
CS-
DM+
DM-
RR+
RR-
TR+
TR-
RS+
RS-
SD+
SD-
TT+
TT-
SGRC
SGRC
ST-
ST+
RT- 10
RT+
RD- 11
RD+
LLSC 12
99
1
2
3
4
5
6
7
8
9