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3.6 CONFIGURING THE V.35 REAR CARD
The V.35 interface card is configured by setting the configuration straps
and dip switches located on the PC board.
Model 1001RCM13445 & 1001RCM134TB Strap Settings
Figure 2 shows the strap location for the Model 1001RCM134XX (M/34)
rear card. This strap determines whether Signal Ground and Frame
Ground will be connected.
Figure 2. 1001RCM134XX strap locations
The table below provides an overview of interface strap functions for the
rear interface cards. Following the table overview are detailed descrip-
tions of each strap’s function.
* Indicates default setting
DTE Shield (M/34 Pin A) & FRGND (JB3). In the connected position,
this strap links M/34 pin A & frame ground. In the open position, pin A is
disconnected from frame ground.
Strap Function Position 1&2 Position 2&3
JB3 DTE Shield (Pin A) & FRGND Connected Open*
JB4 FRGND & SGND (Pin B) Connected Open*
JB3 Description
Position 1&2 DTE Shield (Pin A) and FRGND Connected
Position 2&3 DTE Shield (Pin A) and FRGND Not Connected
123
123
JB3
JB4