Model 7975 Switchpack Definitions - Paradyne 7974 Installation Instructions Manual

Table 15. DSL Line Rate, Switches 3–5 on Switchpack S3 (Model 7974)
Switch Position
5 4 3
OFF OFF OFF
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF OFF
ON OFF ON
ON ON OFF
ON ON ON

Model 7975 Switchpack Definitions

Table 16 through Table 19 list Model 7975 Switchpack definitions.
Table 16. Switchpack S4 Definitions (Model 7975)
Switch # . . .
1
2
3
4, 5, 6, 7, 8
DSL Line Rate
1552 Kbps
144 Kbps
272 Kbps
400 Kbps
528 Kbps
784 Kbps
1040 Kbps
1552 Kbps
Allows you to . . .
Enable or disable Switchpacks S3 and S4.
OFF = Switchpacks Disabled
ON = Switchpacks Enabled
Control Sync Port Type.
OFF = EIA-530, RS-449, or X.21
ON = V.35
Select the unit's timing source. Valid only for a unit configured as the
LTU.
OFF = Internal Clock
ON = External Clock
Control Sync Port Data Rate (refer to
Rates (Model 7975))
NOTE: Switches 4 through 8 are only used when the unit is
configured as an LTU and AutoRate is disabled.
All OFF = 2048 Kbps (1024 Kbps for 1 Mbps units)
Table 17, Selectable Payload
29
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