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Serial Connectors and Flex-WAN Cables 177
RS-232 DTE Cable
Pinouts
This cable connects the bridge/router to an RS-232 DCE.
Figure 31 Flex-WAN and RS-232 DTE Connectors
.
Table 25 RS-232 DTE Cable Pinouts
Flex-WAN Connector RS-232 DTE Connector
Signal Pin Direction Pin Signal Twisted Pair
*
* Unused twisted wires of a twisted pair should be connected to Shield Ground. In this cable this
is one wire of each of the twisted pairs 1 to 12.
DCD/LL 33 ← 8 DCD 1
DSR/DTR 34 ← 6 DSR 2
CTS/RTS 35 ← 5 CTS 3
RxD/TxD 36 ← 3 RxD 4
TxC/Nil 37 ← 15 TxC 5
RxC/TxCE 38 ← 17 RxC 6
TxCE/TxC 39 → 24 TxCE 7
TxD/RxD 41 → 2 TxD 8
RTS/CTS 42 → 4 RTS 9
DTR/DSR 43 → 20 DTR 10
LL/DCD 44 → 18 LTST 11
Circuit Ground 45 - 7 Circuit Ground 12
Shield Ground 46 Cable Shield 1 Shield Ground -
Shorting Group 1 50
51
52
- - - -
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
60-pin Flex-WAN male connector
25-pin male connector
To SuperStack II NETBuilder
To DCE
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