Chapter 5. Specification; Eme (Naf-253Gm) And Ime (Ntf-318) - JRC JUE-87 Instruction Manual

5.1 JUE-87

5.1.1 EME (NAF-253GM) and IME (NTF-318)

Item
Class of Inmarsat-C MES
Frequency Range
Channel Spacing:
G/T
EIRP
Modulation
Antenna
Voltage
Power Supply
Power Consumption
Operative Temperature
Storage Temperature
Relative Humidity
Environmental
Ice
Condition
Precipitation
Wind
Vibration
Coding
Data Rate
Max Transmission Message
Reception Message Storage
Interface
International Protection
Dimensions
Mass

CHAPTER 5. Specification

Table 5.1.1 Principal Specification of JUE-87
Class 2
Transmission: 1626.5 to 1646.5MHz
Reception
5KHz
-23.0 dB/K minimum
Within 14 2 dBW (at 5 degrees elevation angle)
TX: 1200 symbols/sec.
RX: 1200 symbols/sec. BPSK
(BPSK: Binary Phase Shift Keying)
Type: Helical antenna
Pattern: Hemisphere (non directional)
Polarization:
DC +24V (+19.2 V to +31.2 V)
(When standard PSU, NBD-904 is used)
Transmission：100 W
Standby time：15W (EME and IME)
160 W Max. (EME, IME, DTE and Printer)
-35C to +55C (EME operational) -15C to +55C (IME)
-40C to +70C
95% (+40C)
25 mm (EME)
100 mm/hour (EME)
100 knots
Compatibility with IEC 60945
Interleaved, convolution code (R = 1/2, K = 7)
Transmission 600 bps
Reception 600 bps
8K bytes
80K bytes (Inmarsat-C: 40K bytes, EGC: 40K bytes)
Internal GPS JRC original
Input sentence: GGA, RMC, GLL, GNS, ZDA, DTM
External GPS
Baud rate: 4800 bps
LAN RJ-45 : 10 Base-T
DTE ITU-T V24/28, 9600 bps, D-sub 9PIN connector
Centronics compatible parallel interface,
Printer
Connector：D-sub 25PIN connector
EME: IP 56-compliant
IME: IP22-compliant
(except for while connecting a USB device to USB drive)
EME: 170 mm ()  379 mm (H)
IME: 336 mm (W)  86 mm (D)  244 mm (H)
EME: Approx. 2.4 kg
5-1
Specification
:1537.0 to 1544.2MHz
Right hand circular
IME: Approx. 3.4 kg
5