Fault-Finding; General; Factory Default Settings; Preliminary Investigations - TANDBERG TT1260 Reference Manual

7.4

Fault-finding

7.4.1

General

The information contained in this chapter is intended to isolate the unit as the faulty equipment
if a system failure occurs. If the following information fails to clear the abnormal condition,
please contact Customer Services using the information given in the Preliminary Pages of this
manual.
7.4.2

Factory Default Settings

TT1260 are dispatched with the factory defaults shown in Annex F. These can be restored at
any time using System Menu (6).
7.4.3

Preliminary Investigations

1. Ensure all leads and connectors are in place and serviceable.
2. Ensure the unit is powered. If not investigate the power source.
Check the fuse.
3. Ensure the red alarm LED on the front of the unit is not lit. If it is, investigate the Alarm
status (see Chapter 5, Alarms).
4. Use the BER display to ensure that the Post Viterbi BER is less than 2.0 E-4 (refer to
Annex C, Menus). If it is not, check the input to the Receiver.
7.4.4

Remote Control

The TT1260 remote control input operates with RS-232, RS-485 serial data formats
(Menu 6.1.2) and SNMP web page Ethernet format.
Be sure to set the correct format and address via the front panel before attempting to use this input. The
Reference Guide: TT1260 Contribution Receiver
ST.RE.E10100.3
TT1260 will ignore any remote control commands if the input is not correctly set.
Preventative Maintenance and Fault-finding
CAUTION...
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