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Installation 45
Model 3088 Series User Manual 3 • RocketLink-G installation
such as a modem or multiplexer. When connecting the X.21 interface of the Model 3088/D to your DTE or
DCE device, use an X.21 straight-through cable (See figure 10).
Figure 10. Connecting the Model 3088/D to X.21 DTE or DCE
To change the DCE/DTE orientation from the default position (DCE), you must open the case Model
3088/D case.
Opening the Case
To open the Model 3088/D case, insert a flat head screw driver into an open slot on both sides of the case, as
in figure 11. Twist the screw driver head slightly and the top half of the case will separate from the lower half,
as in figure 11. Be careful not to damage the PC-board mounted components.
Figure 11. Opening the 3088 case with a small screwdriver
Straight-Through 15-pin
D-Sub Cable
Model 3088/D (DCE or DTE)
DSL Span
Remote Model 3088
RocketLink™-G NTU
DSL
Terminal
TM/ERR
Power
Console
RocketLink™-G NTU
DSL
Terminal
TM/ERR
Power
Console
Router (DTE)
OR
Mux (DCE)