52
C
HAPTER
2: I
NSTALLATION
Once you have connected the QSIM, verify the front panel indicators. As shown in
Figure 20, in addition to the common system front panel indicators, each port has
a pair of LEDs to the left of the port.
Figure 20
QSIM LEDs
ENBL
—Illuminates when the port is in service.
CLK
—Illuminates when clocking is in service.
Table 17
X.21 DCE Cable Pinouts (60-pin Male to 15-pin Female; Part # 3C63925)
Signal Name
Pin # on
60 PIN CONN
Pin # on DB15 CONN
Direction
(For QSIM)
Frame GND
46
1
Circuit GND
15
8
RTS
9, 10
3, 10
Out
CTS
1, 2
5, 12
In
DSR
In
DCD (not used, see
DCE cable note)
In
DTR
Out
LL (not used)
Out
SD+
11
2
Out
SD-
12
9
Out
RD+
28
4
In
RD-
27
11
In
SCTE+
Out
SCTE-
Out
SCR+
26, 24
6
In
SCR-
25, 23
13
In
SCT+
In
SCT-
In
Shorting GR 1
47, 48
Shorting GR 2
51, 52
PWR
INS
FAIL
TEST
60-Pin
Amphenol
Connector
PWR = Power On
INS = Inservice
Install in Slot 4 - 6
PORT 4
PORT 3
PORT 2
PORT 1
ENBL
CLK
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 ...