Genesys GDR- COM Series, Installation Manual, Page: 61 / 62

GDR-XXXX NAV/COMM INSTALLATION MANUAL
64-000109 Page 61 of 62
38. ARINC Label 350 LRU Maintenance Status
The following word contains current BIT status of the radio.
Table 48: Maintenance Status
Function
L
ab
el
P
a
rit
y
(
odd)
S
ign S
ta
tu
s
M
at
ri
x
Maintenance Discrete Bits Res
(SDI)
LABEL
Octal
LSB MSB
Bit 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Co. Info. 350 x 0 0 x x x x x 0 1 1 1 0 0 0 0 0 1 0 1 1 0 x x 0 0 0 1 0 1 1 1
Table 49: Label 350 maintenance bit definition
Bit Function Coding Notes
1 Label 1
2 Label 1
3 Label 1
4 Label 0 5 decimal
5 Label 1
6 Label 0
7 Label 0 0 decimal
8 Label 0 (lsb)
9 SDI (lsb)
00 Not used 01 LRU #1
10 SDI (msb) 10 LRU#2 11 LRU #3
11 GlideSlope PLL unlocked B1 Set high if the GS LO has a failure
12 NAV PLL unlocked B2 Set high if the NAV LO has a failure
13 VHF COM PLL unlocked B3 Set high if the VHF PLL has a failure
14 UHF COM PLL unlocked B4 Set high if the UHF PLL has a failure
15 Guard PLL unlocked B5 Set high if the Guard PLL has a failure
16 Transmitter LO Power B6 Set high if the TX power is low
17 HI COM VSWR B7 Set high an antenna failure is detected
18 Mic Stuck B8 Set high if Mic timeout has occurred
19 A/C voltage low B9 Set high if input voltage is low
20 Temperature high B10 Unit exceeds temperature high
21 Temperature low B11 Unit exceeds temperature low
22 Internal voltage error B12 Internal power supply failure
23 PBIT failure B13 Unit failed power on test
24 TBD B14 To be defined
25 TBD B15 To be defined
26 TBD B16 To be defined
27 TBD B17 To be defined
28 TBD B18 To be defined
29 TBD B19 To be defined
30 SSM (lsb) 00 Normal; 01 Standby
31 SSM (msb) 10 Functional Test; 11 Failure Warn
32 Parity ODD
(msb)
3 decimal