Specifications

Chapter 1 Introduction Installation and Operation Manual
1-6 Functional Description Optimux-106 Ver. 6.1
The response to alarm conditions is as follows:
• AIS is transmitted on each tributary output in the following cases:
 Loss of uplink input signal is detected
 Uplink frame synchronization is lost
 AIS is received on the uplink input
 Remote Loopback is activated on the uplink input
• An AIS signal is sent on a tributary instead of the tributary data stream
through the uplink in the following cases:
 Loss of tributary input signal is detected
 AIS is received on the tributary input
 Local Loopback is activated on the T1 input
An optional dedicated rear panel connector is used to provide major and minor
alarm indications, by means of dry contacts.
The major alarm is activated in the following cases:
• Optimux-106 is not powered, or total power supply failure (e.g., when two
power supplies are installed, failure of both supplies)
• Loss of uplink input signals, or loss of uplink frame synchronization
• Signal loss at backup link while Link Redundancy mode is Automatic/Manual
• One of two power supplies is failed (optional, if both power supplies are
mounted)
• Loss of tributary input signals
• Redundancy mode is Automatic/Manual, but backup link is not installed
• Unable to activate redundancy
• MNG-ETH link failed
• USER-ETH link is failed
• Connection with the remote device is lost
The minor alarm is activated in the following cases:
• Reception of AIS signal on tributary inputs.
Events
Optimux-106 supports the following events that are shown in the Event Log:
• Failed in processing software download
• Event log buffer has exceeded the maximum size and new events are written
over the old ones
• Login was performed to the unit
• Trying to login to the unit with wrong user name or password
• Read/write via SNMP with wrong community
• Unit is powered up
• Uplink is switched from A to B and vice versa