Grass Valley 8972PX - Manual (Page 25)

8972PX — Instruction Manual 25
Configuration Summary
Table 6. Protect Switch Summary Table
Autonomous Mode Primary First (w/o Alternate)
PRI fails
PRI restored
too short PRI restored
PRI Fails
then SEC fails
PRI & SEC Fail
SEC recovers first
PRI OK Fail OK Fail OK OK OK Fail Fail OK OK Fail Fail
SEC OK OK OK OK OK OK OK OK Fail OK OK Fail OK
Timer Timer Timer OK Timer OK
Output PRI SEC SEC SEC PRI PRI SEC SEC SEC PRI SEC
On On On On On On On On On On On On
Autonomous Mode Primary First (with Alternate)
PRI fails
PRI restored
too short PRI restored
PRI Fails
then SEC fails
PRI & SEC Fail
SEC recovers first
PRI OK Fail OK Fail OK OK OK Fail Fail OK OK Fail Fail
SEC OK OK OK OK OK OK OK OK Fail OK OK Fail OK
Timer Timer Timer OK
Output PRI SEC SEC SEC SEC PRI SEC PRI SEC
ALT ALT
Autonomous
Autonomous
Autonomous
Autonomous
On On On On On On On On On On On On
Forced Switch to Secondary
Force to SEC
PRI OK OK
SEC OK OK
Output PRI SEC
PRI
SEC
Output
On Off
Switch to Maintain Primary
PRI is OK PRI is OK
start with PRI start with SEC
PRI is Bad
start with PRI
OK OK OK OK Fail Fail
OK OK OK OK OK OK
PRI PRI SEC PRI PRI SEC
Off On Off On Off On 8580_08r0