Paradyne Hotwire 7974 Installation Instructions Manual

Also see for 7984: User guide User guide Installation instructions

Contents

Paradyne Hotwire 7974 Installation Instructions Manual Manual pdf 30 page image

30Switchpack Definitions for Models 7976 and 7986Table 17 lists Switchpack S1 definitions.Table 17. Switchpack S1 Definitions (Models 7976 and 7986)Switch # . . . Allows you to . . .Default in Bold1 Enable or disable Switchpacks S1 and S2.OFF = Switchpacks DisabledON = Switchpacks Enabled2 Control line termination.OFF = 120 OhmON = 75 Ohm3 Select the unit’s primary timing source. Only valid for unitsconfigured as LTU.OFF = Internal ClockON = External Clock4 Control the unit’s E1 line coding.OFF = HDB3ON = AMI5 Not used6 Enable CRC-4 monitoring. Only valid for units configured as LTU.The NTU will automatically be configured to match the LTU setting.OFF = Disable CRC-4 monitoringON = Enable CRC-47 Control whether Channel 16 contains signaling information or data.OFF = Channel 16 is used for signalingON = Channel 16 is used for data8 Not used