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Connectors and Cables 2-15
UNIVERSAL to RS-232 DCE Cable
This cable connects the UNIVERSAL port on a SuperStack II NETBuilder
bridge/router to an RS-232 interface on a DCE device.
Figure 2-12 UNIVERSAL to RS-232 DCE Cable
You can order this cable from 3Com (part number 3C8023).
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
Shield
RL
SB
TS
SI
SF
SS
SQ
TM
IX
LL
NS
SG
Shield
Remote Loopback
Standby Indicator
Teminal in Service
Signal Rate Indicator
Select Frequency
Standby Select
Signal Quality
Test Mode
Incoming Call
Local Loopback
New Signal
Signal Ground
Chas. GND
TxD
RxD
RTS
CTS
DSR
DTR
CD
RxC(SCR)
TxC(SCT)
TT(SCTE)
RI
GND
Shield
Transmit Data
Receive Data
Request to Send
Clear to Send
DCE Ready
DTE Ready
Carrier Detect
Receive Clock - DCE Source
Transmit Clock - DCE Source
Transmit Clock - DTE Source
Ring Indicator
Signal Ground
1
14
36
28
2
16
32
33
18
15
10
34
19
1
2
3
4
5
6
20
8
17
15
24
22
7
To DCE
Name Abbr Pin Pin Abbr Name
25-pin male connector
37-pin female connector
To UNIVERSAL port on bridge/router
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
SS2TRHWBook Page 15 Monday, May 5, 1997 3:11 PM