Switchpack Definitions - Paradyne M/HDSL Standalone Termination Unit Hotwiret 7986 Installation Instructions Manual

Switchpack Definitions

18
Manually change configuration options by moving Switchpack S1 DIP switches
on the card. Table 10 lists Switchpack S1 definitions.
Table 10. Switchpack S1 Definitions
Switch # . . . Allows you to . . .
1 Enable or disable Switchpacks S1 and S2.
OFF = Switchpacks Disabled
ON = Switchpacks Enabled
2 Control line termination.
OFF = 120 Ohm
ON = 75 Ohm
3 Select the unit's primary timing source. Only valid for units configured
as LTU.
OFF = Internal Clock
ON = External Clock
4 Control the unit's E1 line coding.
OFF = HDB3
ON = AMI
5 Not used
6 Enable CRC-4 monitoring.
OFF = Enable CRC-4
ON = Disable CRC-4 monitoring
7 Control whether Channel 16 contains signaling information or data.
OFF = Channel 16 is used for signaling
ON = Channel 16 is used for data
8 Not used
March 1999
Default in Bold
7986-A2-GZ40-00