Paradyne 7974 User Manual page 50

Configuring the Unit Using the Internal Switches
4-8
Table 4-7 lists Switchpack S3 definitions.
Table 4-7. Switchpack S3 Definitions (Model 7975)
Switch # . . . Allows you to . . .
1 Control whether the unit is an LTU or an NTU.
OFF = NTU
ON = LTU
2 Control enabling and disabling of the AutoRate capability.
OFF = AutoRate Enabled
ON = AutoRate Disabled
3, 4, 5 Select one of eight preset DSL line rates (refer to Table 4-8). If
AutoRate is enabled, DSL Line Rate represents the AutoRate ceiling.
All OFF = 2064 (1040 for 1 Mbps units )
6 Control enabling and disabling of the Elastic Store feature.
OFF = Elastic Store Enabled
ON = Elastic Store Disabled
7 Not used
8 Emergency Use Only – 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
Use Table 4-8 to set the DSL Line Rate. Defaults are shown in bold.
Table 4-8. DSL Line Rate, Switches 3–5 on Switchpack S3 (Model 7975)
Switch Position
DSL Line Rate
5 4 3
OFF OFF OFF 2064 kbps (2 Mbps unit only)
OFF OFF ON 144 kbps
OFF ON OFF 272 kbps
OFF ON ON 400 kbps
ON OFF OFF 528 kbps
ON OFF ON 784 kbps
ON ON OFF 1040 kbps
ON ON ON 1552 kbps (2 Mbps unit only)
NOTE:
On 1 Mbps units the DSL line rate defaults to 1040 kbps (all OFF).
August 2000
Default in Bold
7900-A2-GB21-00