NT 900 Navtex
NT 900 Navtex
NT 900 Navtex
MAIN FEATURES:
A wide dynamic range/high sensitivity receiver assures
reliable reception of NAVTEX messages in the presence of
strong local LF and MF broadcasts on adjacent frequencies.
Specifications
Receive frequency: 518 kHz Type of receiver: Straight amplifier with frequency discriminator Input Impedance: 50 (active whip) or 10+150
pF (long wire), selectable Input Protection: 30V rms of RF input Receive Mode: F1B with forward error correction (ITU-R Rec. 476-3, 540-1 and 625
B-mode) Sensitivity: Better than 1V at antenna input for 1% of character error Spurious Emission: Compliant with EN 60945. Printer: Thermal
moving-head 57 dot matrix, 42 characters/line (more than 250,000 characters printable per roll) Recording Paper: Thermo-sensitive, 112
mm25m/roll Data Output: 7-bit ASCII character with non-parity and 1 stop bit at 4800 baud, available via rear panel standard BNC connector
Power Requirements: 10.5 to 40 VDC, approx. 6W (cabinet), 8 VDC, approx. 10 mA (antenna, automatically supplied via rear panel M-type coax
connector Operating Temperature Range: -15 to 55C (cabinet, without condensation), -20 to 60C (antenna) Storage Temperature Range: -25 to
70C (cabinet), -40 to 70C (antenna) Weight: Approx. 4 kg with paper roll installed (cabinet), 830g (antenna with 10m RG-58/U cable attached)
Dimensions: 250(W)100(D)140(H) mm ( cabinet, less mounting bracket), 1.2m+240mm (total active antenna length) Options: Remote alarm box
(visual only), External receiver interface (AF level), 60 cm-long whip type active antenna (with reduced receiver performance)
NOTE: Specifications, except for those stipulated in relevant international regulations/recommendations, are subject to change.