User's Manual

Page 4–36
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
D. Fault Definitions
(1) Cause Indication (Fault Codes)
The four fields listed below are used to signal the cause indication result:
• Coding Standard (1 bit)
• Cause Location (4 bits)
• Cause Class (4 bits)
• Cause Value (4 bits)
The Table 4–20 shows the hexadecimal coding for these fields and briefly describes
the events relating to each code.
(2) Inmarsat Cause Codes
The fault definitions that appear in the HSD Maintenance Menu logs are based directly
on the cause code definitions provided by Inmarsat.
Table 4–20 defines the
Maintenance Port Menu fault codes of the HSD.
(oc) - Ocean region registration status
(int) - Interface status ( =8080 means the card is ready for dialing)
Report 8 & 20 Starboard and Port Antenna Status:
(Hex code) - Raw hex code of the 32-bit ARINC word—decoded message follows
code
(SDI) - Antenna being used (for mechanically steered, only Port data is
valid)
(SSM) - Antenna serviceability
(Gain) - Reported antenna gain (may vary with increased blockage or
keyhole
pointing)
(Mode) - Reports tracking status, antenna selection, and high gain mode
(LNA) - Power-on status
Report 21 Call Codes:
(Time) - Time based on the system real time clock
(Fwd Addr) - Forward Address ID assigned to the system channel cards
(Alpha/no.) - Ocean region and beam the card is logged-on to
(Call) - Call real-time status, service type code, and Inmarsat Cause Code
(See Table 4–20)
(RF power) - LES requested HPA power in dBW
(OR status) - Ocean region registration status
(Call orig) Call originating from MES (Mobile) or from a fixed location.
(Call type) Call types (for example, speech)
Table 4–19. Report information
Report(s) Information