R  SATCOM MAIN MENU Page 
R  Figure 008
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R  SATCOM - Status 
R  Figure 009
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R  (a) SATCOM BITE STATUS 1/3 page 
R  (Ref. Fig. 010) 
R  ----------------------------------------------------------------------
R  | SATCOM LRUs | LRU report line key | STATUS REPORTED AS: | 
R  | | (adjacent to and below) | | 
R  |---------------|-------------------------|---------------------------| 
R  | System Buses | 1R | OK or INACTIVE | 
R  |---------------|-------------------------|---------------------------| 
R  | SRT (SDU) | 1L | OK or FAULT | 
R  |---------------|-------------------------|---------------------------| 
R  | IGA LNA | 3R | OK, FAULT or NONE | 
R  |---------------|-------------------------|---------------------------| 
R  | Top/Port BSU | 4L | OK, FAULT, TEST, INACTIVE | 
R  | (left) | | NO DATA OR NONE | 
R  |---------------|-------------------------|---------------------------| 
R  | Top/Port LNA | 4R | OK, FAULT or NONE | 
R  | (left) | | | 
R  |---------------|-------------------------|---------------------------| 
R  | Top/Left HGA | 5R | OK, FAULT or NONE | 
R  |---------------|-------------------------|---------------------------| 
R  | IGA | 5L | OK, FAULT, INACTIVE, NONE | 
R  -----------------------------------------------------------------------
R  Selection of the next page function displays the SATCOM BITE 
R  STATUS 2/3 page. 
R  1 SATCOM SYS BUS pages_ 
R  (Ref. Fig. 011) 
R  The two SATCOM SYS BUS pages provide indication of the bus 
R  activity status of LRUs peripheral to the SATCOM system. Bus 
R  activities are indicated as OK, INACTIVE, or NONE. OK vs. 
R  INACTIVE is determined according to the criteria used for the 
R  Fault Summary words to the CFDS. 
R  NONE is shown when the rear connector strapping options 
R  indicate a unit is not installed. 
R  a SATCOM SYS BUS 1/2 page_ 
R  IRS bus status is declared as OK, NO DATA, INACTIVE or 
R  NONE. 
R  - OK is indicated if all required IRS data are present on 
R  the bus with SSM at NORMAL. 
R  - INACTIVE is indicated according to the requirements for 
R  bus activity words to the CFDS. 
R  - NO DATA is indicated if the bus is considered active but 
R  not all required data are present with SSM at NORMAL.

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R  SATCOM BITE STATUS 1/3 Page 
R  Figure 010
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R  SATCOM SYS BUS Pages 
R  Figure 011
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R  CMU 1 and CMU 2 bus status is displayed as NONE, OK, 
R  INACTIVE or LOOP FAIL. 
R  - OK vs. INACTIVE is determined according to the criteria 
R  used for the summary words to the CFDS. 
R  - LOOP FAIL is displayed only when all of the following 
R  conditions are true. 
R  - This SDU is installed in a dual SATCOM configuration (per 
R  rear strapping). 
R  - The CMU to SDU bus status is OK. 
R  SDUXTALK displays OK or INACTIVE based on bus activity, if 
R  the SDU is part of dual SATCOM system. If not installed in 
R  a dual system, NONE is displayed. 
R  Selection of next page function key on the MCDU displays 
R  the SATCOM SYS BUS 2/2 page. 
R  Selection of 6L returns display to the SATCOM BITE STATUS 
R  1/3 page. 
　
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