Zhone 7995 Guia Do Utilizador
4. Configuring the Unit Using the Internal Switches
4-6
May 2002
7990-A2-GB20-00
Model 7996 Switchpack Definitions
For Switchpack S3 definitions, refer to
. For Switchpack S4 definitions, refer to
.
Table 4-3.
Switchpack S3 Definitions – Model 7996
Switch # . . .
Allows you to . . .
Default in Bold
1
Control whether the unit is an STU-C or an STU-R.
OFF = STU-R
ON = STU-C
ON = STU-C
2
Control enabling of either Fixed Rate or Auto Rate mode. Valid only for a
unit configured as the STU-C.
unit configured as the STU-C.
OFF = Fixed Rate mode
ON = Auto Rate mode
ON = Auto Rate mode
3, 4, 5
Select one of eight preset DSL line rates. If Auto Rate is enabled, DSL
Line Rate represents the AutoRate ceiling.
Line Rate represents the AutoRate ceiling.
All OFF = 2064 Kbps
6, 7
Not used
8
Emergency Use Only – The unit has two banks of flash memory used to
hold executable firmware. This unit 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).
hold executable firmware. This unit 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
ON = Previous Firmware
Switch Position
DSL Line Rate
Default in Bold
5
4
3
OFF
OFF
OFF
2056 Kbps
OFF
OFF
ON
200 Kbps
OFF
ON
OFF
264 Kbps
OFF
ON
ON
392 Kbps
ON
OFF
OFF
520 Kbps
ON
OFF
ON
776 Kbps
ON
ON
OFF
1032 Kbps
ON
ON
ON
1544 Kbps