User's Manual
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
Page 1−49
15 Dec 2005
Table 1−12. RCZ−852 Diversity Mode S Transponder Leading Particulars (cont)
Item Specification
− Category M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fixed wing reciprocating and turboprop multi and
single engine less than 12,500 pounds, instrument
panel/console and equipment rack mounting
− Category Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Helicopter, reciprocating and turbojet, fuselage
mounting
Operating Modes:
• STANDBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ready but not replying.
• ATC ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transponder Modes A and S. No altitude reporting.
• ATC ALT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transponder Modes A, C, and S. Altitude reporting
is enabled.
Transmitter Frequency . . . . . . . . . . . . . . . . . . . . . . . . . 1090 ± 0.5 MHz
Transmitter Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Watts peak pulse, 250 Watts minimum
Receiver Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1030 MHz
Minimum Trigger Level (MTL) . . . . . . . . . . . . . . . . . . . . −77 ± 3 dBm
Mutual Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bidirectional, accepts +18 to +70 volt pulse input,
provides +28 volt nominal output
Controller interface:
• Circuit Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . Two ARINC 429 control data input ports. 12.5 K
bits/s (low−speed ARINC)
• Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bus protocol meets requirements defined in ARINC
718−A for receiving transponder and TCAS control
information.
TCAS II Interface:
• Circuit Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . ARINC 429 input and output bus. 100 K bits/s
(high−speed ARINC).
• Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bus protocol meets requirements defined in ARINC
718−A and ARINC 735 for standard transponder to
TCAS interface.
Airborne Data Link Processor (ADLP) Interface:
• Circuit Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . COMM−A/B messages have an ARINC 429 input
and output bus.
COMM−C/D messages have an ARINC 429 input
and output bus.
Both sets of busses are 100 K bits/s (high−speed
ARINC).
• Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bus protocol meets requirements defined in ARINC
718−A for standard transponder to ADLP bus
interface.