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S1-7
S1-6
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
Loops
The V.35 interface has pins two pins, one to request an LAL and the
other to request and RDL. If DTE loops are enabled, then when these
pins are asserted, the 3088/C will start a local loopback or a remote
loopback. If DTE loops are disabled, these requests will be ignored.
S2-5 – S2-4: Clock Mode
The 3088 has three clock modes: internal, external, and receive-recover.
S2-5
S2-4
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
S1-5
S1-4
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
S2-6
ON
OFF
Clock Mode
Internal
External
Receive-
Recover
S1-3
S1-2
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
Setting
Enabled
Disabled
Description
3088 provides both the serial
and the DSL clock
3088 uses the TX clock from
the serial interface for the DSL
clock.
3088 uses the RX clock from
the DSL interface for the
serial clock.
Reserved
16
Data Rate
S1-1
(kbps)
ON
4352
OFF
4416
ON
4480
OFF
4544
ON
4608
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