Interface Configuration; Number Range Start; Number Range Stop - TANDBERG MCU User Manual

Configure the MCU

Interface Configuration

This section configures each of the four PRI interfaces individually. There is one column for each PRI Interface.
However, if PRI Trunk Grouping is enabled, the number range for PRI 1 will also apply for PRI 2, 3 and 4.

Number Range Start

The PRI lines connected to the MCU should have at least one number each, to allow dial in from ISDN. If the PRI
line has a range of numbers, the start number must be entered here.
The number range must be inclusive. All numbers in the range may be used by the MCU for callback numbers, so
the local ISDN switch must route all of these numbers to the configured PRI. Please contact your IT manager to
obtain these numbers.
It is only necessary to enter the digits indicating the range. If the range is 67828669 to 67828699, then just enter
8669. Maximum amount of digits is 24.

Number Range Stop

Here is where the last number in the PRI number range is entered. If the range is 67828669 to 67828699, then
just enter 8699.
PRI CRC-4
Used for most E1-PRI configurations. If your network equipment does not support this feature, turn it off.
T1 Cable Length
Specifies the cable length between the MCU and the CSU for each of the PRI lines (only valid for T1 networks).
Possible values are:
• 0 to 133 feet
• 133 to 266 feet
• 266 to 399 feet
• 399 to 533 feet
• 533 to 655 feet
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