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Paradyne 3551 User Manual

Page 12

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Table 2. Model 3551 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

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.