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Paradyne M/HDSL Standalone Termination Unit Hotwire 7984 User Manual

Page 36

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Initial Startup and Configuration

3-10

7984-A2-GB20-10

February 1999

Table 3-2 lists Switchpack S2 definitions.

Table 3-2.

Switchpack S2 Definitions

Switch # . . .

Allows you to . . .

Default in Bold

1

Control whether the unit is an LTU or an NTU.

OFF = NTU
ON = LTU

2

Control whether the unit automatically adjusts to the best line rate for
conditions, or is fixed at the rate set by switches S2-3 through S2-5.

OFF = Fixed Rate
ON = AutoRate Enable

3, 4, 5

Control the DSL line rate of the unit. The three switches form a binary
value used as an index to the table of line rates. Off denotes 0 and On
denotes 1. Refer to Table 3-3.

000 (all Off) = 1552 kbps

6

Control whether Telco loopbacks are supported.

OFF = Enabled
ON = Disabled

7

Control whether remote Telco loopbacks are supported.

OFF = Disabled
ON = Enable

8

Switch between two versions of firmware. The 7984 has two banks of
flash memory used to hold executable firmware. This switch allows you
to switch between the two versions of firmware. This switch is
independent from the position of Switch 1 on Switchpack S1
(switchpack enable/disable). Emergency Use Only.

OFF = Current Firmware
ON = Previous Firmware

Use Table 3-3 to set the DSL Line Rate. Defaults are shown in bold.

Table 3-3.

DSL Line Rate, Switches 3–5 on Switchpack S2

Switch Position

5

4

3

DSL Line Rate

OFF

OFF

ON

1552 kbps

OFF

ON

OFF

1552 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

OFF

OFF

OFF

1552 kbps