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UM8000
Issue No. 1.0
Installation Manual
6 - 5
S
ECTION
4
LED I
NDICATIONS
The following table describes the LED indicators.
S
ECTION
5
C
ONNECTORS
The following sections go into detail on each of the user interfaces.
5.1
RS-232 Interface
An RS-232 interface is provided as a debug port to the CPU. The AMD Geode
companion chip (CS5536) provides a serial port interface. The CS5536 is
connected to an Intersil-Harris HIN202ECBN (or equivalent) RS-232
transceiver providing a DTE interface (COM1) with the following signals: TD,
RD, DSR, DTR and GND.
Table 6-1 LED Indicators
LED ID
Color(s)
Description
Indication
Active
Green
Off
Power off.
On
Reset.
Slow Flash
Board is running but not in sync
with the chassis yet.
Fast Flash
Board is in sync with chassis and
operating normally.
Busy
Red
Off
Power off or idle.
On
Reset.
Flash
Indicates how many ports on the
VM card are currently in use.
Faster flash rates indicate heavier
use.
Application
Red/Green
Off
Power off.
Solid Red/Green
(Yellow)
Reset.
Flashing Green
OS is running, application not
started.
Solid Green
Application running.
Solid Red
Application problem.
CompactFlash
Card Activity
Red
On
Indicates read/write activity on the
CampactFlash card - controlled by
the IDE controller.
Содержание Univerge UM8000
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