Cisco Cisco Prisma II EDR Receiver Installation Guide
EDR Receiver Front and Back Panel
11
Part
Function
Test Point Selector
Switches Test Point between Receiver 1, Receiver 2,
and Neither. Press once to select Receiver 1; press again
to select Receiver 2; and press once more for Neither.
and Neither. Press once to select Receiver 1; press again
to select Receiver 2; and press once more for Neither.
-20 dB Test Point
Provides a -20 dB sample of the RF output signal.
Test Point Indicator LEDs (1 and 2)
Indicates the current status of each receiver channel.
LED off means normal operation, i.e., valid data
being received.
being received.
LED blinking means invalid data or no data being
received.
received.
LED steadily on identifies the channel that is
currently routed to the front-panel test point.
currently routed to the front-panel test point.
Optical Input OPM Connector
Connects the input signal to the optical cable.
Back Panel Connectors
Blind-mate connectors make it easy to install this module. The push-on connector on
the back of the module mates with the back plane bus connector inside the chassis.
This 55-pin connector and the two RF connectors provide the following facilities.
the back of the module mates with the back plane bus connector inside the chassis.
This 55-pin connector and the two RF connectors provide the following facilities.
RF signal connections
Electrical power input connection
Alarm communications connections
Status-monitoring communications
Communications and control connections
The ESD guide pin near the bottom of the back panel serves as both a guide pin and
an ESD ground connection. The length of the pin ensures that ground is the first
electrical connection made as the module is inserted, and the last connection to be
broken as the module is removed.
an ESD ground connection. The length of the pin ensures that ground is the first
electrical connection made as the module is inserted, and the last connection to be
broken as the module is removed.