Click image to view original
Transmit Capabilities
Modulators
1 - 5 simultaneous (1 – 4 on PLT-H platform)
Channel Types & Rates
P, R and T Channels:
600, 1200, 2400, 4800 and 10,500 bps
C Channels:
8400 and 21000 bps
Channel Impairments
Independently-specifiable parameters:
Fixed carrier frequency error
Doppler rate, peak offset
Reacquisition carrier offset
Adjacent channel interference level and frequency offset
Co-channel interference level
I/Q gain and phase imbalance
Continuous phase noise spectrum, level
Discrete phase noise level
Fading model, bandwidth, C/M ratio, differential delay
Phase/amplitude jump distribution, magnitude, interval
Transmission path delay
Symbol rate error
HPA non-linearity
AWGN
link Layer
Embedded implementation of Aero link Layer
Receive Capabilities
Demodulators
1 - 5 simultaneous (1 – 4 on PLT-H platform)
Channel Types & Rates
P, R and T Channels:
600, 1200, 2400, 4800 and 10,500 bps
C Channels:
8400 and 21000 bps
link Layer
Embedded implementation of Aero link Layer
Ethernet Interface Capabilities
Medium
10/100baseT
Functionality
GESTE interface, remote control interface, GPIB interface (with Ethernet-to-GPIB converter)
Serial Interface Capabilities
Medium
RS-232
Functionality
GESTE interface, AES control interface
Avionics Interface Capabilities
Medium
ARINC-429 (with PCI ARINC-429 card)
Functionality
Label transmission / reception, Williamsburg bit-oriented protocol file transfer
Logging Capabilities
General
GESTE interface messages
Transmitted/received SUs
Test sequence progress and outcome
System events, faults, and abnormal conditions
script Capabilities
General
Procedure-based (like Basic, C or Pascal)
Functions for string processing, math, user interaction, logging, I/O (serial, TCP/IP, GPIB)
Integrated development environment
GDU-specific
Configuring and controlling modems
Flexible definition of SU formats
Formatting and sending SUs
Receiving SUs
Sending and receiving link layer LSDUs
Generating signal blockage events
Aeronautical Ground Data Unit (GDU)