12
Figure 4.
DCE/DTE selector strap location
3.2 DCE/DTE SELECTOR (X.21 VERSION ONLY)
The X.21 version of the 2707RC can be set up as a DCE (default) or
DTE device by using a DCE/DTE selector strap (see Figure 4). The infor-
mation in Table 8 describes configuring the DCE/DTE strap.
3.3 CONFIGURING THE REAR INTERFACE CARD
The Model 2707RC Series has five interface card options: the Model
1001RCM12548C (DB-25/RJ-48C), the Model 1001RCM13448C (M/34/
RJ-48C), the Model 1001RCM11548C (DB-15/RJ-48C), the Model
1001RCM11575 (DB-15/Dual BNC), and the model IM2RC/IA (RJ-48C/
Table 8:
DCE/DTE selector settings
Setting
Description
DCE
To set a rack card as a
DCE
device, install the DCE/
DTE selector with the
DCE
arrows pointing toward the
front panel.
DTE
To set a rack card as a
DTE
device, install the DCE/DTE
selector with the
DTE
arrows pointing toward the front
panel.
Link
TM
TXD
RXD
Model 2707RC
In this example, the DCE/DTE
strap is configured for DTE
because the DTE label on the
strap is pointed toward the
front panel
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
