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ACOM/IFT CAT 1 > Link Monitor > Flashcards

Flashcards in Link Monitor Deck (21):
1

What is the function of the Link Monitor subsystem?

signal monitoring and testing;
interface with ALCS and UHF C3 for offline testing of UHF signals and UHF communication levels

2

Where is the Link Monitor Control Panel located?

P30 Bay 1

3

What are the power requirements for the Link Monitor Control Panel?

28 VDC from LINK MON c/b on P30 DIRST 2

4

What is the function of the Link Monitor Control Panel?

provide primary control of Variable Attenuator by controlling the RF Input Relay that provides RX or TX baseband output or attenuated RF to the Spectrum Analyzer

5

Where is the Variable Attenuator located?

Rear of P20 Bay 1

6

What are the power requirements for the Variable Attenuator?

Passive

7

What is the function of the Variable Attenuator?

to reduce the UHF RF signal level by using a panel dial that can be locked in place

8

Where is the Step Attenuator located?

P30 Bay 2

9

What are the power requirements for the Step Attenuator?

Passive

10

What is the function of the Step Attenuator?

to reduce the RF signal level to the Spectrum Analyzer to prevent oversaturation

11

Where is the Spectrum Analyzer located?

P30 Bay 2

12

What are the power requirements for the Spectrum Analyzer?

115 VAC 60 Hz from CONV 1 & 2 c/bs on P67-3 via 60 Hz Distribution Box

13

What is the function of the Spectrum Analyzer?

to measure the TX power of the C3 radio and the TX & RX baseband signals from the UHF C3 Radio subsystem

14

Where is the Handheld Voltmeter located?

P30 Bay 1

15

What are the power requirements for the Handheld Voltmeter?

9 V internal battery

16

What is the function of the Handheld Voltmeter?

to measure ALCS test signals

17

Where is the UHF C3 Power Meter located?

P30 Bay 4/ above MCS Display 3

18

What are the power requirements for the UHF C3 Power Meter?

Passive

19

What is the function of the UHF C3 Power Meter?

to measure the Forward or Reflected power for the UHF C3 1, 2, & 3 radios

20

Each power sensor for the UHF C3 Power Meter consists of _____.

2,500 W sensor element for Forward
500 W sensor element for Reflected

21

What is the frequency range of the Spectrum Analyzer?

9 KHz - 25.6 GHz