C ro
sso
ve
r
10
/10
0
E th
e rn
e t
W
A N
P o
we
r
MD
I-X
RX connector
(BNC)
R X
T X
TX connector
(BNC)
WAN connector
(RJ-48C)
Ethernet connector
(RJ-45)
Hardware Installation
29
Models 2603, 2621, and 2635 User Manual
3
• Initial Configuration
Figure 6. Rear view of the 2603/K showing location of Ethernet and WAN connectors
The interface cable has been installed, go to section
“Installing the AC power cord”
on page 33.
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.
CAUTION
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.
