Patton electronic 2603, 2621, 2635 CAUTION

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 portThe 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

EthernetPower X.21 Interface

MDI-X

Crossover

10/100

Ethernet

Power X.21 Interface

X.21 Interface connector

(DB-15)

Ethernet connector

(RJ-45)