USS North Carolina BB-55 - Radio Transmitter Control Patch Panel Details

RadioPhone Patch Panels
Radio 1 (Radio Central)

RadioPhone Patch Panels
Radio 2 (Transmitter Room)

Key / Control Patch Panels
Radio 1 (Radio Central)

Key / Control Patch Panels
Radio 2 (Transmitter Room)

Key Control Patch Panel (5-wire)
Type RN-2302A-55

• Remote Radiophone Stations
  • Pilot House
  • Conn Tower
  • Flag Plot #1
  • Bat Two (Battle Two)
  • CIC (1-4)
• Trunk Lines
  • Radio 2 Trunk Lines (1-5)
  • Radio 3 Trunk Lines (1-2)
  • Aux CIC
  • Radio 3 Trunk Line 3
  • Sec Plot
• Parallel Receptacles
  • Visual Fighter Director
  • Parallel Lines 2-5
  • Parallel Lines 6-10
• Local Operating Positions
  • Radiophone #1, #2
  • TDQ Radio 7
  • Flag Plot #2
  • Main Batt Plot

• Trunk Lines
  • Radio 1 Trunk Lines (1-5)
  • Radio 3 Trunk Lines (1-3)
• Local Transmitters
  • TBM
  • TBK-7
  • TDE
  • TDQ
• Local Operating Positions 
  • Positions 1-4

• Row 1
  • Plotting Room 2
  • Flag Plot Key Pos. 1
  • Bridge Radio Key Pos. 10
  • CIC RV Units 1-4
  • Visual Fighter Director
  • Flag Plot Radiophone 1 
  • Conning Tower Radiophone 2 
  • Flag Plot Radiophone 2
• Row 2
  • TCE - P.H.(Pilot House?)
  • Plotting Room 1
  • Aux. CIC RV Unit
  • Flag Plot Radiophone 3
  • TDQ Radio 7
  • CIC Key Positions 1-3
  • Radio 3 Trunk Line 1-2
  • Conning Tower Radiophone 1?
• Row 3
  • Radio 2 Trunk Line 1-5
  • Conning Tower 3-5
  • Radio 3 Trunk Line 3-4
  • ? Station 5
• Row 4
  • Radio 2 Trunk Line 6-10
  • Position 3-7
  • Position 1
• Row 5
  • Position 8-17
  • Position 2

• Radio 1 Trunk Lines (1-10)
• Radio 3 Trunk Lines (1-4)
• Transmitters - TCE, TBM-4, TDE, TDQ, TBK-7, TAJ-8
• Local Operating Positions (1-2)
• Parallel Jacks (4 + 3)
• Blank / No Longer Used (4)

Radiophone connector

• +/- 12v dc
• microphone
• Carrier Control (PTT)
• Carrier Control Indicator
• Receiver Mute

Radiophone and key/control system diagram - this shows later 6-wire key/control but otherwise applicable to BB-55