User's Manual Part 2

T
2
CAS / Part No. 9000000
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
34-43-20
15 Feb 2003
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3--33
Table 3--4. RCZ--852 Diversity Mode S Transponder Interconnect Data (cont)
I/O NotesConnects To
Connector
Pin
Description
Reserved J1--89
(O) XPDR STRAP +5V J1 --90 (26) Strap Board (Red) 4
(O) XPDR STRAP CLK (N) J1--91 (26) Strap Board (Blue) 4
(O) XPDR STRAP LOAD (N) J1--92 (26) Strap Board (Orn) 4
(I) XPDR STRAP DATA (P) J1--93 (26) StrapBoard(Wht) 4
(I) ENC ALT2 A2 (N) J1--94 (24) Encoding Altm #2
(I) ENC ALT2 A4 (N) J1--95 (24) Encoding Altm #2
(I) ENC ALT2 B1 (N) J1--96 (24) Encoding Altm #2
(I) ENC ALT2 B2 (N) J1--97 (24) Encoding Altm #2
(I) ENC ALT2 B4 (N) J1--98 (24) Encoding Altm #2
(O) XPDR ACTIVE (NO) J1--99 (24) Antenna Switching
Relay
4
(O) XPDR VALID (NO) J1--100 (24) Control Panel
Reserved J1--101
(O) ALT VALID (NO) J1--102 (24) Control Panel 5
(O) XPDR STRAP GND J1--103 (26) StrapBoard(Blk) 4
(O) XPDR STRAP PGM (N) J1--104 (26) Strap Board (Grn) 4
(O) XPDR STRAP PGM (P) J1--105 (26) StrapBoard(Yel) 4
-- POLARIZATION PIN J1--106 NC
(I) Bottom Antenna RF Input J2 coax Bottom Antenna
(I) Top Antenna RF Input J3 coax Top Antenna
NOTES:
1. Use AWG--24 single conductor, shielded wire. Attach shield to ground loop E1 or E2 on back of
mounding tray.
2. T wo wire shielded cable. T ie shields to ground loop E1 or E2 located on back of mounting tray.
3. This ARINC 429 output is required on some Collins Control Panels that require a feedback loop to
make sure the transponder is working properly.
4. Refer to interface descriptions in Table 4--5.
5. This output is connected only if the control panel has an ALT F AIL input function.