THOMSON DD10, Руководство по установке

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6. Initial Installation Diamond digital
75
Key RESET Microcomputer reset.
Key TEST/MONITOR If this key is pressed when releasing the reset key, the microcomputer
does not enter the normal operating program but the so-called ”Moni-
tor” mode.
This is a minimal system which is operative in the EPROMs. For the
duration the microcomputer is in the monitor mode, the red Error LED
will flash.
This mode is intended for BTS-internal use only.
DIL switch SETUP Switch T8 for adjustment of device type and configuration. The re-
spective switch position is only inquired after a reset, i.e. a change of
the switch position becomes only effective after a reset.
The switch position can also be inquired at the service terminal with
the program selection ”V” (software version).
The switches have the following functions:
Switch Position
On = 1
Off = 0
Meaning
1 0
1 Service terminal active
Mouse active
2...4
000
001
010
011
100
101
110
111
Device type of panel:
DD30 panel
DD10 panel
DD20 panel
DD5 panel
unused
unused
unused
unused
5...6 unused
7 0
1 Standard hardware
Prototype hardware (BTS only)
8 unused
LED POWER GOOD Voltage monitoring, lights as soon as the 5V supply voltage is high
enough. Below this threshold, the microcomputer is permanently kept
in the reset mode.
LED RUN ”Lamp of life” of the microcomputer, is switched on with each bus cycle
of CPU or LAN coprocessor. If this LED does not light, there will be
a fatal error (no bus activities).
LED ERROR Blinks in the monitor mode (see above, BTS-internal use). Error in-
dication is made with the LED row STATUS.
LED LAN Network activity indicator, is switched on with each LAN coprocessor
cycle. The LED serves the qualitative judgement of the line load.