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FLEX-6000 Signature Series – FLEX-6000 Hardware Reference Manual

Page 4 of 48

7 REAR PANEL CONNECTIONS ......................................................................................... 22

7.1 DC Power Input ...................................................................................................... 23

7.1.1 Power Pole 30 Amp .......................................................................................... 24

7.1.2 Fused Internally at 30 Amps ........................................................................... 24

7.2 USB 2.0 Ports .......................................................................................................... 24

7.3 Powered Speakers ................................................................................................. 24

7.4 Accessory Connector ............................................................................................. 25

7.4.1 Pin 1: Line In ..................................................................................................... 25

7.4.2 Pin 2: Line1 Out ................................................................................................ 25

7.4.3 Pin 3: Line2 Out ................................................................................................ 25

7.4.4 Pin 4: KEY/FSK/INT In .................................................................................... 25

7.4.5 Pin 5, Reserved for future use (FLEX-6300 only) .......................................... 25

7.4.6 Pin 5, Pin 6, Pin 7, Pin 8 and Pin 10: GROUND ............................................... 25

7.4.7 Pin 9: +5VDC ..................................................................................................... 26

7.4.8 Pin 11: Accessory TX ........................................................................................ 26

7.4.9 Pin 12: SDA I/O ................................................................................................. 26

7.4.10 Pin 13: Accessory TX REQ ................................................................................ 26

7.4.11 Pin 14: PTT in ................................................................................................... 26

7.4.12 Pin 15: SCL I/O.................................................................................................. 26

7.5 10Mhz Reference Clock Input ............................................................................... 26

7.5.1 Radio Oscillator Startup ................................................................................... 26

7.6 TX Relay Outputs [1,2,3] ....................................................................................... 27

7.7 Transceiver Antenna Ports [1,2] .......................................................................... 27

7.8 10MHz Reference Output (w/GPSDO option) ..................................................... 27

7.9 Ethernet Connector ............................................................................................... 28

7.10 Balanced Audio Input ............................................................................................ 28

7.10.1 Balanced Audio Input Connectors .................................................................. 28

7.10.2 MIC vs. LINE Use ............................................................................................... 29

7.10.3 Line Level .......................................................................................................... 29

7.11 GPS Antenna Input (w/GPSDO option) ................................................................ 29

7.12 Remote Power On Input ........................................................................................ 29

7.13 External Amplifier ALC Input ............................................................................... 29

7.14 TX Request Input (interlock) ................................................................................ 29

7.15 PTT Input ................................................................................................................ 30

7.16 Transverter Port .................................................................................................... 30

7.17 RX ANT-A RF Input ................................................................................................ 30

7.18 RX ANT-A RF Output.............................................................................................. 30

7.19 RX ANT-B RF Input (FLEX-6700/6700R only).................................................... 30

FlexRadio Systems FLEX-6300 User Manual

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