# Trunk Configuration table

The following table summarizes the objects in the Trunk MIB Configuration table, otherwise known as the dsx1ConfigEntry block of variables:

Object | Type | Description
--- | --- | ---
dsx1LineIndex | Integer | DS1 interface in this managed node.
dsx1IfIndex | Integer | Same as dsx1LineIndex.
dsx1TimeElapsed | Integer | Time of current measurement period.
dsx1ValidIntervals | Integer | Number of 15 minute measured intervals.
dsx1LineType | Integer | Type of DS1 interface.
dsx1LineCoding | Integer | Type of zero code suppression for this interface.
dsx1SendCode | Integer | Type of code in the interface.
dsx1CircuitIdentifier | DisplayString | Transmission vendor's circuit identifier.
dsx1LoopbackConfig | Integer | Loopback configuration.
dsx1LineStatus | Integer | Interface status.
dsx1SignalMode | Integer | Circuit's signal mode.
dsx1TransmitClockSource | Integer | Source of the transmit clock.
dsx1Fdl | Integer | Facilities data link.
dsx1InvalidIntervals | Integer | Number of intervals with invalid data (always 0, not supported).
dsx1LineLength | Integer | Length of the DS1 line in meters (always 0, not supported).
dsx1StatusLastChange | TimeStamp | Time the status of the interface last changed.
dsx1LineStatusChangeTrapEnable | Integer | Whether traps are generated for this interface.
dsx1LoopbackStatus | Integer | Current state of the loopback on the DS1 interface.
dsx1Ds1ChannelNumber | Integer | Channel number of the DS1/E1 on its parent DS2/E2 or DS3/E3.
dsx1Channelization | Integer | Whether this DS1/E1 is channelized or not.