Hardware Triggered Failover; Table 10 Failover Events - Trango Systems TrangoLINK GigaPlus User Manual

The Table below shows the events will cause a failover from active to standby:
Event
Modem link lost on Active
CLI "utype_switch"
Power supply failure on Active
Reboot on Active
ODU PLL failure on Active
Violation of threshold setting
Link related command (see list)
Power supply failure on Standby
Reboot on Standby
Odupower on/off on Standby
ODU PLL failure on Standby
Modem link lost on Standby
1+1 cable removal/failure
ACM Tx/Rx profile changes

Hardware triggered failover

In the event that the modem RX link is lost (status changes from "1" to "0"), a hardware
triggered failover will occur and the following sequence of actions will occur:
Actions:
1) The IF transmit signal will be shut off on the active unit and enabled on
the backup unit
2) The standby GigaPlus utype will change from standby to active and the
previously active unit utype will change to standby.
3) The Ethernet port will be shut down on the new standby unit if RPS was
enabled.
Trango Systems, Inc.
Failover Type
(local Site)
Hardware
Software
Software
Software
Software
Software
No failover
No failover
No failover
No failover
No failover
No failover
No failover
No failover

Table 10 Failover Events

GigaPlus User Manual Rev 3.1
Failover Type
(remote pair)
Hardware
Hardware
Hardware
Hardware
Hardware
Hardware
Hardware
No failover
No failover
No failover
No failover
No failover
No failover
No failover
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