LINKUP 5294 WITH DL5294 FIRMWARE
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4.4 System Status Indicators
The following system status indicators are provided on the front panel.
•
SYS OK —
This LED blinks to indicate that the system is functioning properly. The LED acts as a
“heartbeat” indicator and is never turned off unless there is an unrecoverable error.
•
ON —
When on, this LED indicates that the power supply is functioning properly.
4.5 Error Code Display
When a program-detectable error occurs , all channel status indicators are turned off and a two-level
error code is displayed using the two-digit channel display. The two error codes are flashed alternately.
4.6 Rear Panel
The rear panel of the LinkUp 5294 is equipped with the following:
1.Up to 34 serial (RS-232/V.24 compatible) Ports, numbered 0 through 33.
2.An A.19/.15, 50/60 Hz air flow fan.
3.A rocker-type on/off power switch.
4.A 1-amp, 250-volt fuse just below the power switch (which can be removed by sliding out the rubber
fuse cartridge with a screwdriver).
5.A power cord receptacle (below the fuse).
18 19 20 21 22 23 24 25
10 11 12 13 14 15 16 17
6
7
8
9
2
3
4
5
PORTS:
PORTS:
PORTS:
PORTS:
340-0036-02
0
1
18 19 20 21 22 23 24 25
10 11 12 13 14 15 16 17
6
7
8
9
2
3
4
5
PORTS:
PORTS:
PORTS:
PORTS:
340-0036-02
0
1
3
4
5
1
2