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MTU-M Status and Performance Functions
5-6
The following table provides definitions of the fields contained on Screen 2 of the
Circuit Status screen:
Option
Card type
Loop Mode
(HDSL only)
Loopback
Line encoding
Line build out
Frame type
Starting time slot
V.35 Payload Rate
V.35 Transmit Timing
DSP Software revision
DSL Software revision
DSL Software checksum
Card serial #
March 1998
Function
Identifies xTU-C and xTU-R type.
HDSL E1/T1
SDSL E1/T1
Identifies which loop or loops are in use.
Loop A
Loop B
Loops A & B
Indicates loopback testing status.
On
Off
Identifies type of line encoding currently in use.
HDB3
B8ZS
AMI
Indicates the current line build out for the xTU-C/R pair.
For G.703-compatible units:
120 ohm
75 ohm
For DSX-1-compatible units:
0 to 133 feet
133 to 266 feet
266 to 399 feet
399 to 533 feet
533 to 655 feet
Indicates type of framing in use by the xTU-C/R pair.
Framed
ESF
D4
Unframed
Specifies the starting tine slot for a V.35 to DSX-1 or V.35
to G.703 configuration.
Specifies the V.35 CP payload rate (64 through
1536 kbps).
Indicates where the xTU-R timing source (V.35 CP units
only).
Displays the DSP software revision of the xTU-C/R pair.
Displays the DSL software revision of the xTU-C/R pair.
Displays the DSL software checksum for the xTU-C/R
pair.
Displays the serial numbers of the xTU-C/R pair.
7900-A2-GB20-00
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