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 0004 00
TM 11-5895-1847-12&P
Table 2. INMARSAT-C. (Continued)
TX Message Channel
TDMA & FDMA, interleaved code symbol
Antenna Interface
Standard 50 ohm female N-connector, max 10 m cable
GPS Interface
50 db antenna amplification, 75 ohm female F-connector output for GPS
antenna
Terminal Interface
CCITT Rec. V.10 Special with NMEA0183 interface and multidrop
addressing, female BNC-connector, max 100 m cable
Printer Interface
Standard parallel Centronics, DB-25F connector
Navigator and Alarm Interface
CCITT Rec. V.10 special with NMEA0183 interface and multidrop
addressing, female BNC-connector, max 100 m cable
System Setup
EEPROM programming from operator terminal
DC power source
10.5 to 32 floating vdc, Rx: 9.5 watts, TX: 80 watts
Ambient Temperature
-25 degrees C to 55 degrees C operating, -40 degrees C to 80 degrees C
storage
INMARSAT-C Protocol support
Message transmission and reception with IA-5, ITA-2 and binary transfer to/
from the following destinations: TELEX, PSTN (telephone modems and fax
modems, PSDN (X.25 network), EGC message reception with automatic
geographical area selection, Polling and data reporting with automatic
transmission of position reports down to one per minute, Special Access
Codes, Basic X.400, DNID messaging, Program Unreserved Data Reporting,
Pre-assigned DATA Reporting, GMDSS Facilities, Transmit message size:
maximum 32 kb, Receive storage: 128 kb
Table 3. INMARSAT-C Printer.
Size
14.2 in. wide, 3.2 in. high, 10.8 in. deep
Weight
10 lbs
Print Speed
Utility: 200 cps, Draft: 240 cps @ 10 and 17.1 cpi, 300 cps @ 12 cpi, Near
Letter Quality: 50 cps
Characters Per Line
at 10 cpi: 80, at 12 cpi: 96, at 17.1 cpi (Microline emulation): 137, at 17.1 cpi
(IBM emulation): 132
Electrical Characteristics
120 vac + or - 10%, 220/240 vac + or - 10%
Reliability: Mean Time Between
6000 hours at 25% duty cycle
Failures
Reliability: Mean Time To
15 minutes
Repair
Reliability: Ribbon Life
3 million characters
Reliability: Printhead Life
200 million characters
Paper Weight
16 to 20 lb
0004 00 2
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