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Step 4: Connect I/O Cabling and Wiring
51
Table 16
X.21 DTE cable (60 pin Male to 15-pin Male; Part # 3C63924)
Signal Name
Pin # on
60 PIN CONN
Pin # on DB15 CONN
Direction
(For QSIM)
Frame GND
46
1
Circuit GND
15
8
RTS
1, 2
3, 10
In
CTS
9, 10
5, 12
Out
DSR
Out
DCD (in order to keep
cable compatible with
Cisco, DCD should be
tristated when in DTE
mode.
Out
DTR
In
LL (not used)
In
SD+
28
2
In
SD-
27
9
In
RD+
11
4
Out
RD-
12
11
Out
SCTE+
In
SCTE-1
In
SCR+ (in order to keep
cable compatible with
Cisco, SCR+ & - should
be tristated when in
DTE mode, double
term, double buffer)
24
6
Out
SCR-
23
13
Out
SCT+
Out
SCT-
Out
Shorting GR 1
47, 48
Summary of Contents for 3C63100-AC-C - PathBuilder S600...
Page 8: ...INDEX 3COM CORPORATION LIMITED WARRANTY ...
Page 14: ...xiv CHAPTER SUPPLEMENTARY REGULATORY INFORMATION ...
Page 18: ...18 ABOUT THIS GUIDE ...
Page 28: ...28 CHAPTER 1 SYSTEM DESCRIPTION ...
Page 74: ...74 CHAPTER 3 GETTING STARTED ...
Page 230: ...230 INDEX ...