3Com 3C63100-AC-C - PathBuilder S600 Bridge/router Reference Manual page 52

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