Circuit Description from 1960 ET2 Rate Training Manual NAVPERS 10190-B
| Installation drawing from FRR-10 manual | |||
System Configuration - Click on any module name to see a photo - more info coming later 
| Module | Rack 1 | Rack 2 | Rack 3 | 
| cabinet | CY-1377/FRR-10 | CY-1377/FRR-10 | CY-1377/FRR-10 | 
| A | SB-142A/FRR-24 Control Panel Band Switch | SB-142A/FRR-24 Control Panel Band Switch | F-171/FRR-10 IF filter | 
| B | AM-450B/FRR-24 2-4 mc RF 1st converter 1750 kc IF out | AM-450B/FRR-24 2-4 mc RF 1st converter 1750 kc IF out | F-171/FRR-10 IF filter | 
| C | AM-451B/FRR-24 4-8 mc RF 1st converter 1750 kc IF out | AM-451B/FRR-24 4-8 mc RF 1st converter 1750 kc IF out | AM-851/FRR-10 RF amplifier | 
| D | AM-453B/FRR-24 8-16 mc RF 1st converter 1750 kc IF out | AM-453B/FRR-24 8-16 mc RF 1st converter 1750 kc IF out | CM-55/FRR-10 signal comparator | 
| E | AM-452B/FRR-24 16-32 mc RF 1st converter 1750 kc IF out | AM-452B/FRR-24 16-32 mc RF 1st converter 1750 kc IF out | O-204/FRR-10 AFC Oscillator | 
| F | CV-126B/FRR-24 2nd converter 1750 kc IF in 50 kc IF output | CV-126B/FRR-24 2nd converter 1750 kc IF in 50 kc IF output | CM-49/FRR-10 signal comparator | 
| G | AM-900/FRR-10 50 kc IF amp | AM-900/FRR-10 50 kc IF amp | AM-722/FRR-10 amp/detector | 
| H | SB-261/FRR-10 patch panel | SB-260/FRR-10 patch panel | ID-338/FRR-10 AF monitor | 
| J | O-131B/FRR-24 Oscillator | SB-253/FRR Power Distribution Panel | Tool Box | 
| K | Blank 
 | Blank | PP-844/FRR-10 Power Supply for Rack 3 | 
| L | PP-884/FRR-10 Power Supply for Rack 1 | PP-884/FRR-10 Power Supply for Rack 2 | PP-844/FRR-10 Power Supply for Rack 3 |