Chapter 1: Introduction
System description 7
1111
Interfaces
I4
satellite
I3
satellite
Via
Full feature handset (4-wire) for voice
service (low cost) or 3.1 kHz high
quality audio service
44SDU
Telephone handsets (2-wire) for voice
service (low cost) or 3.1 kHz high
quality audio service
22
MCDU (Cockpit) 2 2
ARINC 429 (Low speed data 1.2 kbps
for AFIS, ACARS, CMU) (Cockpit)
11
ISDN — 1
Ethernet interfaces for PC etc. (MPDS
via PPPoE) and external router
—1
RS-422 / RS-232 for MPDS via PPP,
UDI and RDI
a
a. Check with your service provider that the RDI service is available on the
Ground Infrastructure network.
—1
Ethernet interfaces for PCs etc. 6 — SBU
Built-in wireless access point for
background data and streaming
services
1—
ISDN 1 —
Telephone handsets (2-wire) for voice
service (low cost) or 3.1 kHz high
quality audio service
2—