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Serial Connectors and Flex-WAN Cables 183
RS-449 DTE Cable
Pinouts
This cable connects the bridge/router to an RS-449 DCE.
Figure 37 Flex-WAN and RS-449 DTE Connectors
.
Table 31 RS-449 DTE Cable Pinouts
Flex-WAN Connector RS-449 DTE Connector
Signal Pin Direction Pin Signal Twisted Pair
CTS/RTS+ 1 ← 9 CS+ 1
CTS/RTS- 2 ← 27 CS-
DSR/DTR+ 3 ← 11 DM+ 2
DSR/DTR- 4 ← 29 DM-
DCD/DCD+ 5 ← 13 RR+ 3
DCD/DCD- 5 ← 31 RR-
DTR/DSR+ 7 → 12 TR+ 4
DTR/DSR- 8 → 30 TR-
RTS/CTS+ 9 → 7 RS+ 5
RTS/CTS- 10 → 25 RS-
TxD/RxD+ 11 → 25 SD+ 6
TxD/RxD- 12 → 4 SD-
TxCE/TxC+ 13 → 17 TT+ 7
TxCE/TxC- 14 → 35 TT-
Circuit Ground 15 - 19 SGRC 8
Circuit Ground 16 - 20 SGRC
TxC/RxC- 23 ← 23 ST- 9
TxC/RxC+ 24 ← 5 ST+
RxC/TxCE- 25 ← 26 RT- 10
RxC/TxCE+ 26 ← 8 RT+
RxD/TxD- 27 ← 24 RD- 11
RxD/TxD+ 28 ← 6 RD+
(continued)
60-pin Flex-WAN male connector
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
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
To DCE
37-pin male connector