Installing the Model 3550 DSU

FRONT BEZEL

SNAP

TABS

SWITCH 1

HINGE TAB

LOCATIONS

496-14457-01

Figure 2-1. Model 3550 Hardware Switch Location (shown without a TDM/Flex)

 

 

Table 2-1

 

 

Model 3550 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

2-3

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Image 24
Paradyne 3551 manual Permissive V.32 DBM transmit output level of ±9 dBm