Led Indicators; Alarm Codes; Checking For Alarms-Stat Command; Major Alarms Vs. Minor Alarms - Microwave Data Systems MDS TransNET 900 Installation & Operation Manual

7.1 LED Indicators

The LED status indicators are an important troubleshooting tool and should
be checked whenever a problem is suspected.
of each status LED.
Table 12. LED indicator descriptions
Name Description
PWR
• Continuous—Power is applied to the radio; no problems detected
• Flashing (5 times-per-second)—Fault indication. See
TROUBLESHOOTING
• Off—Radio is unpowered or in Sleep mode
SYNC Continuous—Radio is receiving/sending synchronization frames
On within 10 seconds of power-up under normal conditions
TXD Transmit data activity on the DB-9 DATA interface connector
RXD Receive data activity on the DB-9 DATA interface connector

7.2 Alarm Codes

When an alarm condition exists, the transceiver creates an alarm code. These
codes can be very helpful in resolving many system difficulties.
Checking for Alarms—STAT command
To check for the presence of alarms, enter
message
NO ALARMS PRESENT
If an alarm does exist, a two-digit alarm code (00–31) is displayed, and it is
identified as a major or minor alarm. A brief description of the alarm is also
given. Alarm codes and their meanings are listed in
If more than one alarm exists, the word
screen; additional alarms can be viewed by pressing

Major Alarms vs. Minor Alarms

Major alarms report serious conditions that generally indicate a hardware
failure, or other abnormal condition that will prevent (or seriously hamper)
further operation of the transceiver.
With the exception of alarm code 00 (network address not programmed),
major alarms generally indicate the need for factory repair. Contact MDS for
further assistance.
40 MDS TransNET 900 I&O Guide
PWR SYNC
appears at the top of the display.
Table 12 describes the function
TXD RXD
. If no alarms exist, the
STAT
Table
appears at the bottom of the
MORE
ENTER
MDS 05-2708A01, Rev. B
Section 7.0,
13.
.