User's Manual

µLink System Manual 862-01545
Page 30 Issue 1b
Step Action
10.
Make-off the 120Ω (E1)/100Ω (T1) - factory
set tributary input and output connections and
connect to the RJ-45 connector on the rear
panel of the IU. Alternatively, connect the
75Ω (factory set) coaxial tributary connections
to the BNC input and output connectors on the
IU rear panel as required. See Appendix A at
the end of this chapter for the pin details of the
relevant tributary connector type. Ensure that
all unused tributaries are disabled.
11. Connect the 15-pin D-type Auxiliary I/O
Connector (alarm interfaces) on the rear panel
of the IU to the appropriate Krone block or
other distribution rack (for further connection
to appropriate supervisory equipment as
required). See Appendix A at the end of this
chapter for pin details.
12. Connect the Serial Data interface cable to the
Wayside connector on the IU rear panel.
Figure 8. Indoor Unit Rear Panel.
AC 3-pin Power
Connector
Earth Stud
DC Power
Connector
Auxiliary I/O
Connector
Wayside Serial
Traffic Data
Connector
Outdoor Unit
Cable
Connector
RJ-45
Connector
Data Interface
Module
BNC
Connectors