Installing the Model 3550 DSU
FRONT BEZEL
SNAP
TABS
SWITCH 1
HINGE TAB
LOCATIONS
Figure 2-1. Model 3550 Hardware Switch Location (shown without a TDM/Flex)
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| Model 3550 DSU Switch Settings | |
Switch Position | Switch Setting | Function | |
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| ON | Permissive V.32 DBM transmit output level of ±9 dBm | |
(default) |
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| Off | Programmable V.32 DBM transmit level between ±12 dBm and 0 dBm | |
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| ON | Frame ground (FG) connected to signal ground (SG) | |
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Off | FG connected to SG through 100 ohm resistor | ||
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| (default) |
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ON is to the rear as you face the front of the DSU. | |||
Off is to the front. |
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December 1996 |