ANTRC170V3 Training Unit 3 Major Systems and Functions

AN/TRC-170(V)3 Training Unit 3 Major Systems and Functions

Major Systems and Functions Objectives • Signal flow through the AN/TRC-170(V)3 • • Transmit Path Receive Path Orderwire Path Distortion Adaptive Receiver (DAR) Modem Variant signal paths • Components the mission data signal passes through and what it does to/for the signal Major Systems and Functions AN/TRC-170(V)3 Training 2

Transmit Path Signal Flow and Components Overview • Provides a path for the user signal from the Shelter Interface Panel all the way to the Transmit antenna • Up to 4 group inputs from 8 possible connections • Provides signal conditioning, filtering and amplification Major Systems and Functions AN/TRC-170(V)3 Training 3

Transmit Path Signal Flow and Components • Shelter Interface Panel • Versa. Mux™ 4000 • IF Data Patch Panel • CS 6716 Modem • IF Data Patch Panel • Troposcatter Radio up-converter • High Power Amplifier • Antenna Major Systems and Functions AN/TRC-170(V)3 Training 4

Transmit Path – Shelter Interface Panel Conditioned Di-phase Fiber Optic Major Systems and Functions AN/TRC-170(V)3 Training 5

Transmit Path – Versa. Mux™ 4000 • • • Multiplexes inputs from SIP Non Return to Zero (NRZ) output Aggregate rate up to 16 Mbps Relay Pass Through Mode Protocol Converter Front Rear Major Systems and Functions AN/TRC-170(V)3 Training 6

Transmit Path – IF Data Patch Panel • Monitor & Control • TED patch IF Section Data Section TED Patch Hard wired Monitor Major Systems and Functions Orderwire Section Control AN/TRC-170(V)3 Training DAR Orderwire 7

Transmit Path – CS 6716 Modem • • • High speed, Digital Adaptive Modem Duplex Interface Adaptive Link Power Control Fully Redundant Intermediate Frequency (IF) Output Major Systems and Functions AN/TRC-170(V)3 Training 8

Transmit Path – Troposcatter Radio Up-converter • Inputs – LO & IF • Up-converts • Radio Frequency (RF) output Major Systems and Functions AN/TRC-170(V)3 Training 9

Transmit Path – High Power Amplifier (HPA) • 2 Kilowatt (k. W) maximum • 1 k. W nominal with gain compression • High Voltage Power Supply • Low Power • Operating mode • Output mode Major Systems and Functions AN/TRC-170(V)3 Training 10

Transmit Path – Antenna Flexible waveguide Major Systems and Functions Antenna feedhorn AN/TRC-170(V)3 Training 11

Transmit Path Review The following are all types of signals that can be passed by the TRC-170 EXCEPT A. Digital Phone circuits B. Analog Phone circuits C. HF circuits D. Fiber Optic circuits Match the following signal types with the cable associated with them. Conditioned Diphase CX-11295 Fiber Optic CX-11230 Pick out the true statement from the following list of Versa. Mux facts: • • The Versa. Mux converts CDI into a Conditioned Diphase format Only Ports 1, 2, or 3 can be relayed to the aggregate The Versa. Mux handles up to 6 group inputs The Versa. Mux is limited to handling any combination of up to 4 groups of CDI and FO concurrently Major Systems and Functions AN/TRC-170(V)3 Training 12

Receive Path Signal Flow and Components Overview • Provide a path for the user signal from the Antenna to the Shelter Interface Panel • Provide signal conditioning, filtering and amplification Major Systems and Functions AN/TRC-170(V)3 Training 13

Receive Path Signal Flow and Components • Antennas • Troposcatter Radio down-converters • IF Loopback Panel • IF Data Patch Panel • OAC-170 D • CS 6716 Modem • IF Data Patch Panel • Versa. Mux™ 4000 • Shelter Interface Panel Major Systems and Functions AN/TRC-170(V)3 Training 14

Receive Path – Antenna feedhorn Flexible waveguide Major Systems and Functions AN/TRC-170(V)3 Training 15

Receive Path – Troposcatter Radio Down-Converters • Low Noise Amplifiers (LNA) • Down-converters Summary Fault Indicator Input Overload Indicator Pre-selector Knob Noise Test Modes Post selector Knob Major Systems and Functions AN/TRC-170(V)3 Training 16

Receive Path – IF Data Patch Panel • 4 U-Links connect to Rx 1 -Rx 4 jacks RX 1 RX 2 RX 3 RX 4 IF Section Major Systems and Functions AN/TRC-170(V)3 Training 17

Receive Path – IF Patch Section TX Ports RX Ports CS 6716 modem jacks - connects receiver IF to OAC 170 and then to modem. Radio jacks DAR modem jacks Major Systems and Functions AN/TRC-170(V)3 Training 18

Receive Path – OAC-170 D • 4 IF Amplifiers • IF Filter Bandwidths Major Systems and Functions AN/TRC-170(V)3 Training 19

Receive Path – CS 6716 Modem • • IF input signals Full duplex interface Service channel Turbo Product Code (TPC) Forward Error Correction (FEC) • Adaptive Link Power Control (ALPC) Major Systems and Functions AN/TRC-170(V)3 Training 20

Receive Path – Versa. Mux™ 4000 • • De-multiplexes the aggregate signal Fiber Optic and Conditioned Di-phase data Outputs to Shelter Interface Panel Format conversion Major Systems and Functions AN/TRC-170(V)3 Training 21

Receive Path – Shelter Interface Panel Connects 4 groups of Fiber Optic or Conditioned Di-phase data to users Group 1 Major Systems and Functions Group 2 Group 3 AN/TRC-170(V)3 Training Group 4 22

Receive Path Review The output of the Troposcatter Radio down-converter is? a. NRZ b. 4. 4 -5 GHz c. RF d. 70 MHz Total gain from the Low Noise Amplifiers through the OAC, to the input of the CS 6716 is set for how much? a. 36. 5 d. B b. 28 d. B c. 40 d. B d. 16 d. B Select the incorrect statement about the SIP. a. 8 groups of data can be connected to SIP b. 4 groups of CX-11230 cable can be connected to SIP c. 4 groups of CX-11295 cable can be connected to SIP d. 8 groups of CDI can be connected to SIP Major Systems and Functions AN/TRC-170(V)3 Training 23

Orderwire Path Signal Flow and Components Overview • Terminal to terminal secure voice communication • Provides a path for the Orderwire signal from handset to the modem Major Systems and Functions AN/TRC-170(V)3 Training 24

Orderwire Path Signal Flow and Components • • TRI-TAC RS-422 Orderwire Data Patch OAC-170 D CS 6716 Modem Major Systems and Functions AN/TRC-170(V)3 Training 25

Orderwire Path – Orderwire Data Patch CS 6716 – Normal Through DAR - Patched Major Systems and Functions AN/TRC-170(V)3 Training 26

Orderwire Path – OAC-170 D Converts TRI-TAC to RS-422 format Major Systems and Functions AN/TRC-170(V)3 Training 27

Orderwire Path – CS 6716 Modem • Multiplexer/Modulator Function • De-multiplexer/De-modulator Function Major Systems and Functions AN/TRC-170(V)3 Training 28

Orderwire Path Review True or False. In order to use the Orderwire with the CS 6716 Modem, it must be patched in on the IF Data Patch panel. What component converts the Orderwire signal format? Major Systems and Functions AN/TRC-170(V)3 Training 29

DAR Modem Path Variant Overview • • • Changes to signal path Data output maximum of 4. 608 Mbps Digital Group Multiplexer DGM thumbwheel TM 11 -5820 -934 -13 -2 -1 Major Systems and Functions AN/TRC-170(V)3 Training 30

DAR Modem Path Variant • • • Transmit Signal Flow Receive Signal Flow Orderwire Signal Flow Major Systems and Functions AN/TRC-170(V)3 Training 31

DAR Path Variant-Transmit Signal Flow • Signal Entry Panel (SEP) • Digital Group Multiplexing Equipment • Transmit Tropo Modem Major Systems and Functions AN/TRC-170(V)3 Training 32

DAR Path Variant – Patch Panel Major Systems and Functions AN/TRC-170(V)3 Training 33

DAR Path Variant – Receive Signal Flow • • IF Data Patch Panel Receive Tropo Modem DGM equipment Signal Entry Panels Major Systems and Functions AN/TRC-170(V)3 Training 34

DAR Path Variant – Orderwire Signal Flow DVOW to DAR Orderwire patch Major Systems and Functions AN/TRC-170(V)3 Training 35

DAR Modem Path Variant Review Pick the correct definition for the term DTG. a. b. c. d. Digitally Timed Group Data Test Group Diphase Transmit Group Digital Test Group Match the following items. LGM TGM GM Major Systems and Functions Digital and analog subscriber loops Process DTGs, performs signal conversion Operates in master timing only AN/TRC-170(V)3 Training 36

Questions? Major Systems and Functions AN/TRC-170(V)3 Training 37