Comtech EF Data EQ90 Series User Manual
Page 28
![background image](https://www.manualsdir.com/files/778948/content/doc028.png)
Operation
EQ90 Amplitude Equalizer
3-4
Rev. 2
Table Chapter 3-2. Rear Panel Controls and Connector Functions
Item
Nomenclature
Function
1
AC Power Receptacle
AC voltage input assembly, which
provides AC input power filtering for
channel “B” power supply.
2
On/Off Switch
Applies primary AC input voltage to the
internal power supply.
3
Fuse Receptacle
Contains two 2A fuses to protect the
equalizer from excessive current draw.
4
CHAN B Monitor
Connector
9-pin, D-type female connector provides
summary alarm to an annunciator device,
summary alarm panel, or redundancy
switching equipment.
5
B OUT Connector
BNC type, female connector that routes
the IF signal output from the equalizer to
external equipment.
6
B IN Connector
BNC type, female connector that routes
the IF signal input from external
equipment to the equalizer.
7
A OUT Connector
BNC type, female connector that routes
the IF signal output from the equalizer to
external equipment.
8
A IN Connector
BNC type, female connector that routes
the IF signal input from external
equipment to the equalizer.
9
Fuse Receptacle
Contains two 2A fuses to protect the
equalizer from excessive current draw.
10
On/Off Switch
Applies primary AC input voltage to the
internal power supply.
11
AC Power Receptacle
AC voltage input assembly that provides
AC input power filtering for the channel
“A” power supply.
12
Connector E1
Provides equalizer ground connection to
cabinet or earth station ground system.
13
CHAN A MONITOR
Connector
9-pin, D-type female connector provides
summary alarm to an annunciator device,
summary alarm panel, or redundancy
switching equipment.