89
Appendix C
CCCC
F55/77 BDU Technical
Specifications
C
C.1 Technical specifications
Item
Specification
Channel modulation
RX:
5.6 kbps O-QPSK, SCPC (voice)
6 kbps BPSK, TDM
134.4 kbps 16QAM, SCPC (data)
TX:
5.6 kbps O-QPSK, SCPC (voice)
3 kbps BPSK, TDMA
134.4 kbps 16QAM, SCPC (data)
Antenna Connector
TNC-female
Antenna Voltage
+42.5 V DC, +/- 0.5 V DC
2-wire telephone
interface; X1, X2, X3
600
Ω
ITU-T Rec. G. 473, standard DTMF telephone,
RJ-11 modular jack.
Supported cable length: up to 200 meters
4-wire Handset; X4, X5
Analogue 4 wire interface with RS-485 data.
Nominal supply: 28 V DC, 2.5 W
Supported cable length: up to 40 meters
Connector: DB9 High Density female
Summary of Contents for TracPhone F55
Page 22: ...Table of Contents x...
Page 28: ...Chapter 2 GMDSS Installations 6 Power Supply...
Page 40: ...Chapter 3 Placing the Antenna 18 Antenna Mast Design...
Page 48: ...Chapter 5 Installing the BDU 26 Grounding the BDU...
Page 54: ...Chapter 6 F77 Distress Cradle 32 Assembly Alternative...
Page 58: ...Chapter 7 F55 Passive Cradle 36 Passive Cradle Assembly...
Page 64: ...Chapter 8 Connecting Power 42 Power supply specification...
Page 84: ...Chapter 10 Hardware Interfaces 62 Discrete I O interface...
Page 116: ...Appendix C F55 77 BDU Technical Specifications 94 Measuring the Ship Source Impedance...
Page 120: ...Appendix D Distress Cradle Technical Specifications 98 Outline Dimensions...
Page 123: ...Chapter E Passive Cradle Technical Specifications Outline Dimensions 101 EEE...
Page 124: ...Chapter E Passive Cradle Technical Specifications 102 Outline Dimensions...