User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
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Page 149
15 Dec 2005
Table 112. RCZ852 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 (lowspeed ARINC)
Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bus protocol meets requirements defined in ARINC
718A for receiving transponder and TCAS control
information.
TCAS II Interface:
Circuit Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . ARINC 429 input and output bus. 100 K bits/s
(highspeed ARINC).
Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bus protocol meets requirements defined in ARINC
718A and ARINC 735 for standard transponder to
TCAS interface.
Airborne Data Link Processor (ADLP) Interface:
Circuit Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . COMMA/B messages have an ARINC 429 input
and output bus.
COMMC/D messages have an ARINC 429 input
and output bus.
Both sets of busses are 100 K bits/s (highspeed
ARINC).
Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bus protocol meets requirements defined in ARINC
718A for standard transponder to ADLP bus
interface.