EMS Technologies Canada Ltd. HSD-400 Manuale Utente

Rx

Receive

SBB

SwiftBroadband

SCPC

Single Channel per Carrier

SDI

Source/Destination Identification

SDU

Satellite Data Unit

SPID

Service Profile Identifier (ISDN)

S/T (ISDN)

ISDN ‘S interface’ refers to the electrical interface between NT1 and NT2 
devices, such as a PBX. ISDN ‘T interface’ refers to the electrical interface 
between NT1 or NT2 and ISDN devices.

STBD

Starboard

STE

Secure Terminal Equipment

STU

Secure Telephone Unit

TA

Terminal Adapter

TE

Terminal Equipment

Tx

Transmit

USIM

Universal Subscriber Identity Module

WOW

Weight on Wheels

 

Warnings, cautions, and notes in this manual provide the reader with the following information:

•

A WARNING describes an operation, procedure, or condition, which if not obeyed, could 

cause injury or death.

•

A CAUTION describes an operation, procedure, or condition, which if not obeyed, could 

cause damage to the equipment.

•

A NOTE provides supplementary information or explanatory text, which makes it easier 

to understand and perform procedures.

All personnel who install, operate, and maintain the HSD-400 terminal and associated test 
equipment must know and obey the safety precautions listed below. The procedures provided 
in this manual assume that the person performing installation or maintenance tasks is familiar 
with, and obeys standard aviation shop and safety practices.