Paradyne 3550, 3551 Table 1. Model 3550 DSU Switch Settings

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Table 1. Model 3550 DSU Switch Settings
Switch Position Switch Setting Function
S1 1
ON
(default) Permissive V.32 DBM transmit output level of –9 dBm
S1-1 Off Programmable V.32 DBM transmit level
between –12 dBm and 0 dBm
S1 2
ON Frame ground (FG) connected to signal
ground (SG)
S1-2 Off
(default) FG connected to SG through 100 ohm resistor
ON is to the rear as you face the front of the DSU.
Off is to the front.