Universal To Rs-232 Dce Cable; Txd (A); Transmit Data Txd (B); Receive Data Rxd (A) - 3Com SuperStack II 32x Installation Manual

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.
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
37-pin female connector
Name
Shield
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
Figure 2-12 UNIVERSAL to RS-232 DCE Cable
You can order this cable from 3Com (part number 3C8023).
Abbr Pin Pin
1
1
2
RL 14
SB 3
36
TS 4
28
SI 5
2
SF 6
16
20
SS 32
SQ 8
33
17
TM 18
IX 15
15
24
LL 10
NS 22
34
SG 19 7
Connectors and Cables
To DCE
1 2 3 4 5 6 7
14 15 16 17 18 19 20 21 22 23 24 25
25-pin male connector
Abbr Name
Shield
Chas. GND
Transmit Data
TxD
Receive Data
RxD
RTS Request to Send
Clear to Send
CTS
DSR DCE Ready
DTE Ready
DTR
CD Carrier Detect
Receive Clock - DCE Source
RxC(SCR)
Transmit Clock - DCE Source
TxC(SCT)
Transmit Clock - DTE Source
TT(SCTE)
Ring Indicator
RI
GND Signal Ground
2-15
8 9 10 11 12 13