Paradyne 7974 Installation Instructions Manual page 28

Table 14. Switchpack S3 Definitions (Model 7974)
Switch # . . .
1
2
3, 4, 5
6
7
8
Allows you to . . .
Control whether the unit is an LTU or an NTU.
OFF = NTU
ON = LTU
Control whether the unit automatically adjusts to the best line rate for
conditions, or is fixed at the rate set by Switches S3-3 through S3-5.
OFF = Fixed Rate
ON = AutoRate Enabled
Control the DSL line rate of the unit. Refer to
Rate, Switches 3–5 on Switchpack S3 (Model
enabled, this switch represents the maximum DSL AutoRate value.
000 (all OFF) = 1552 Kbps
Control whether Telco loopbacks are supported.
OFF = Enabled
ON = Disabled
Control whether remote Telco loopbacks are supported.
OFF = Disabled
ON = Enabled
Emergency Use Only – Switch between two versions of firmware.
The unit has two banks of flash memory used to hold executable
firmware. This switch allows you to change between the two versions
of firmware. This switch is independent from the position of Switch 1
on Switchpack S4 (switchpack enable/disable).
OFF = Current Firmware
ON = Previous Firmware
28
Default in Bold
Table 15, DSL Line
7974). If AutoRate is