Installing the Model 3551 DSU

Figure 3-1. Model 3551 DSU Switch and Jumper Locations

Table 3-1

Model 3551 DSU Switch Settings

Switch Position

Switch Setting

Function

 

 

 

 

ON

Permissive V.32 DBM transmit output level of ±9 dBm

S1-1

(default)

 

 

 

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

FG connected to SG through 100 ohm resistor

 

 

(default)

 

 

 

 

ON is to the rear as you face the front of the DSU.

 

Off is to the front.

 

 

 

 

 

3550-A2-GB20-20

December 1996

3-3

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Image 36
Paradyne 3551 manual Off