Patton electronic ONSITE SERIES 2635 - Manual (Page 31)

Hardware installation 31
Models 2603, 2621, and 2635 User Manual 3 • Initial Configuration
Installing an interface cable on the OnSite 2621’s X.21 interface port
The OnSite Model 2621 comes with an X.21 interface presented on a female DB-15 connector (see
figure 7 ).
This interface can be configured as a DTE (factory default), or as a DCE via internal configuration jumper.
Figure 7. Rear view of the 2621 showing location of Ethernet and X.21 connectors
The interconnecting cables shall be acceptable for external use
and shall be rated for the proper application with respect to volt-
age, current, anticipated temperature, flammability, and
mechanical serviceability.
CAUTION
Crossover
10/100
Ethernet Power X.21 Interface
MDI-X
MDI-X
Crossover
10/100
Ethernet
Power
X.21 Interface
X.21 Interface connector
(DB-15)
Ethernet connector
(RJ-45)