-rear panel assembly,
-front panel assembly,
-chassis,
-PCMCIA interface,
-front connector.
(a) Rear panel assembly The rear panel assembly contains a 2 MCU ARINC 600-6 form aircraft interface connector. The top and middle shells contain all interface signals. Power interface is in the bottom shell, isolated from interface signals. Connector index pin coding is orientation "08" or "10" in accordance with ARINC 723-1 recommendations for GPWS. The rear panel assembly also contains the interconnection between the aircraft interface connector and the internal interface Circuit Card Assembly (CCA), A5, and the Backplane CCA, A4, which provide all internal electrical interconnects between CCAs and other circuitry. The Enhanced GPWC pins are listed in the table below (N/U means Not Used):
---------------------------------------------------------|LRU Con |Pin| Description | ---------------------------------------------------------
| MIDDLE | 6A| 429 INPUT 1(A) ADIRU1 BUS IR (A) |
| MIDDLE | 6B| 429 INPUT 1(B) ADIRU1 BUS IR (B) |
| TOP | 9A| 429 INPUT 10(A) CFDIU (A) |
| TOP | 9B| 429 INPUT 10(B) CFDIU (B) |
| TOP | 8A| 429 INPUT 11(A) WXR1 HZD BUS (A) |
| TOP | 8B| 429 INPUT 11(B) WXR1 HZD BUS (B) |
| TOP | 8C| 429 INPUT 12(A) N/U |
| TOP | 8D| 429 INPUT 12(B) N/U |
| TOP | 5A| 429 INPUT 13(A) N/U |
| TOP | 6A| 429 INPUT 13(B) N/U |
| TOP | 1C| 429 INPUT 14(A) N/U |
| TOP | 1D| 429 INPUT 14(B) N/U |
| TOP | 4A| 429 INPUT 15(A) N/U |
| TOP | 4B| 429 INPUT 15(B) N/U |
| MIDDLE | 6C| 429 INPUT 18(A) WXR2 HZD BUS |
| MIDDLE | 6D| 429 INPUT 18(B) WXR2 HZD BUS |
| MIDDLE |10C| 429 INPUT 2(A) FMGC1 (A) |
| MIDDLE |10D| 429 INPUT 2(B) FMGC1 (B) |
| MIDDLE |11A| 429 INPUT 3(A) ADIRU 1 BUS ADR (A) |
| MIDDLE |11B| 429 INPUT 3(B) ADIRU 1 BUS ADR (B) |
| MIDDLE |12A| 429 INPUT 4(A) FCU 1 (A) |
| MIDDLE |12B| 429 INPUT 4(B) FCU 1 (B) |
| MIDDLE |10A| 429 INPUT 5(A) N/U |
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---------------------------------------------------------
|LRU Con |Pin| Description |
---------------------------------------------------------
| MIDDLE |10B| 429 INPUT 5(B) N/U |
| MIDDLE |11C| 429 INPUT 6(A) ILS 1 (A) |
| MIDDLE |11D| 429 INPUT 6(B) ILS 1 (B) |
| MIDDLE |12C| 429 INPUT 7(A) FMGC 1 DISCWORD (A) |
| MIDDLE |12D| 429 INPUT 7(B) FMGC 1 DISCWORD (B) |
| MIDDLE |13A| 429 INPUT 8(A) RA 1 (A) |
| MIDDLE |13B| 429 INPUT 8(B) RA 1 (B) |
| TOP | 9C| 429 INPUT 9(A) FCU 2 (A) |
| TOP | 9D| 429 INPUT 9(B) FCU 2 (B) |
| MIDDLE | 1C| 429 OUTPUT 1(A) CFDIU (A) |
| MIDDLE | 1D| 429 OUTPUT 1(B) CFDIU (B) |
| TOP | 2A| 429 OUTPUT 2(A) N/U |
| TOP | 2B| 429 OUTPUT 2(B) N/U |
| TOP | 5C| 429 INPUT 16(A) N/U |
| TOP | 5D| 429 INPUT 16(B) N/U |
| TOP |11C| 429 INPUT 17(A) N/U |
| TOP |11D| 429 INPUT 17(B) N/U |
| TOP | 3A| 453 OUTPUT 1(A) TERR DATA R1 (A) |
| TOP | 3B| 453 OUTPUT 1(B) TERR DATA R1 (B) |
| TOP | 3C| 453 OUTPUT 2(A) TERR DATA R2 (A) |
| TOP | 3D| 453 OUTPUT 2(B) TERR DATA R2 (B) |
| TOP |13A| DC ANALOG INPUT 1 (+) N/U |
| TOP |13B| DC ANALOG INPUT 1 (-) N/U |
| TOP |14A| DC ANALOG INPUT 2 (+) N/U |
| TOP |14B| DC ANALOG INPUT 2 (-) N/U |
| TOP |13C| DC ANALOG INPUT 3 (+) N/U |
| TOP |13D| DC ANALOG INPUT 3 (-) N/U |
| TOP |14C| DC ANALOG INPUT 4 (+) N/U |
| TOP |14D| DC ANALOG INPUT 4 (-) N/U |
| MIDDLE |13D| 600 OHM AUDIO OUTPUT (C) |
| MIDDLE |13C| 600 OHM AUDIO OUTPUT (H) |
| MIDDLE | 3C| HIGH LEVEL 8 OHM AUDIO OUTPUT (C) N/U |
| MIDDLE | 3B| HIGH LEVEL 8 OHM AUDIO OUTPUT (H) N/U |
| BOTTOM | 1| Optional GPS COAX CONNECTION |
| MIDDLE | 3A| PROGRAM PIN COMMON |
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