Rs-449 Dce Cable Pinouts - 3Com SuperStack II User Manual

RS-449 DCE Cable
Pinouts
Table 18 RS-449 DTE Cable Pinouts (continued)
Flex-WAN Connector
Signal Pin
LL/DCD 44
Circuit Ground 45
Shield Ground 46
Shorting Group 1 48
49
Shorting Group 2 51
52
This cable connects the bridge/router to an RS-449 DTE.
Figure 27 Flex-WAN and RS-449 DCE Connectors
To SuperStack II NETBuilder
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 19 RS-449 DCE Cable Pinouts
Flex-WAN Connector
Signal Pin
CTS/RTS+ 1
CTS/RTS- 2
DSR/DTR+ 3
DSR/DTR- 4
DCD/DCD+ 5
DCD/DCD- 5
DTR/DSR+ 7
DTR/DSR- 8
RTS/CTS+ 9
RTS/CTS- 10
TxD/RxD+ 11
TxD/RxD- 12
Serial Connectors and Flex-WAN Cables
RS-449 DTE Connector
Direction Pin
→
10
−
37
Cable Shield 1
- -
1 2 3
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
37-pin female connector
RS-449 DCE Connector
Direction Pin
←
7
←
25
←
12
←
30
←
13
←
31
→
11
→
29
→
9
→
27
→
6
→
24
Signal Twisted Pair
LLSC 12
Circuit
Ground
Shield
Ground
-
To DTE
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Signal Twisted Pair
RS+ 1
RS-
TR+ 2
TR-
RR+ 3
RR-
DM+ 4
DM-
CS+ 5
CS-
RD+ 6
RD-
55
-
-
-