network

When a network switch fails. What is the effect on airplane system operation?. The airplane system works in degraded operation. There is no effect on airplane system operation. There is a fault in the airplane system operation.

The six ARINC 664 network remote switches (ARS). There are three from channel A and three from channel B. Change RDC electrical data to fiber-optic data for the FOX modules. Both are correct.

The ´SEE CMCF´ amber text in an amber box means: Only the CDN terminal connection has a fault. ARS or CDN terminal connection has a fault. Only ARS has a fault.

What is the Remote Data Concentrator main purpose?. Change fiber optic signals into electrical ARINC 664 signals. Change analog, analog discrete, ARINC 429 and CAN bus data to ARINC 664 fiber optic data. Change analog, analog discrete, ARINC 429, Can bus data to ARINC 664 electrical signal.

The fiber optics (FOX´s): Translate light and electrical data. Perform calculations. Contain operational software.

SHOW LIST means: There is one snapshot in AUTO memory. There is more than one snapshot for than system. One MANUAL or AUTO snapshot is in memory.

The Remote data concentrators (RDC): Have fiber optic ARINC 664 connections. Have analog and analog discrete connections. Connect to the general processor (GPM) modules.

Which components are part of the common data network (CDN)?. Remote data concentrators (RDC). General processor modules (GPM). ARINC 664 network remote (ARS) switches.

Which of the following components is connected to the Isolated Data Network (IDN)?. Printer. Terminal Wireless LAN module. After Flight Recorder.

What conditions cause the common core system (CCS) to power-up in the uninhibited mode?. CCR is reset and the airplane is in the air. External power is available. CCR is reset during airplane on ground fuel control switch in RUN position.

The PCM holds up power for 11 seconds when switched to the hot battery bus. This power time extension allows: The hosted applications to reset the critical data in non-volatile memory after power loss. The GPM´s to save critical data to non-volatile memory before removing power to the modules. The PCM to saves power configuration data to non-volatile memory before removing power to the GPMs.

The Network interface module (NIM): Has interface with Terminal cellular unit (TCU). Provides routing and security for isolated data network (IDN). Host the core network data loader.

Which is the power provided in the following CCR start-up?. Battery power only mode. External power is selected ON. External power connected (AVAIL) but not selected ON.

Which is the DCAF partition to provides displays reconfiguration in response to system failures or faults: Maintenance Display partition. Linux Manager partition. Windows Manager partition.

Where do the components inside the Core Network cabinet take power from?. 28 VDC Remote Power Distribution Unit (RPDU). 115 VAC Power Conditioning Module (PCM). 12.5 VDC Power Management Module (PMM).

What is the purpose of the panel interface pod (PIP) logic circuit card assemblies?. Digitize P5 panel switch position data and send it to the CDN. Digitize data and send it to the graphics generator (GG) modules. Send analog signals to illuminate FAULT lights, system ON and system OFF legend on P5 panel.

Which of these devices can you use to see and control the CMCF?. Lower Head Down Display only. Maintenance Laptop and Electronic Flight Bag. Primary Flight Display (PFD) and Navigation Display (ND).

The ACS communicates with the FOXs through: ARINC 664 electrical signal. ARINC 429 optical buses. ARINC 664 fiber optical buses.

Which components are part of the common data network (CDN)?. Network interface module (NIM). Remote data concentrators (RDC). ARINC 664 network cabinet switches (ACS).

What is the function of the recorder independent power supply (RIPS)?. To provide power to the forward flight recorder for 10 minutes when the right 28v DC Bus is not available. To provide power to the after flight recorder for 10 minutes when left 28 vDC Bus is not available. To provide power to the after flight recorder for 10 minutes when left 28v DC Bus is not available.

Where is the software located to upload data of the Network Interface Module, Ethernet Gateway Module and Crew Information System-Maintenance System FSM?. General Purpose Module (GPM) hard drive. Crew Information System-Maintenance System File Server Module (CIS-MSFMS). Controller Server Module (CSM).

If the status message appears on EICAS: Use the CCR reset switches to erase. Use the ERASE key to remove it if the fault is ACTIVE. Use the ERASE key to remove after you repair the system.

In case of 2 Graphics Generators fails: Five Head Down Display. Captain inboard, outboard and its HUD and F/O outboard (PFD) available. Four Head Down Display.

The onboard data load function (ODLF) shows as not active (grayed out). Why is ODLF not active?. The GND TEST switch is in NORM. The GND TEST switch is in DATA LOAD ENABLE. The GND TEST switch is in ENABLE.

Where do the Electronic Flight Bag (EFB) Display Units take power from?. 28 VDC from Left Main Bus. 115 VAC Captain Instrument Bus. 28 VDC from Electronic Flight Bag (EFB) Electronic Unit.

Which of the following events triggers the Auxiliary Airflow Function (AAF)?. Low pressure system (LPS) detects forward equipment cooling supply is insufficient. Power-up built in test (PBIT). Both are correct.

Some components have a direct connection with the CDN (They do not go through RDCs). Where can you see the status of these connections?. CCS Synoptic status pages. EICAS status page. 42 CCS Maintenance page.

The Electronic flight bag (EFB) displays the: Airplane Functions Menu. Synoptic Pages. Maintenance Pages.

How does the ARS send and receive airplane data?. From ARINC 429 data buses. From Remote data concentrators (RDC) only. From ARINC 664 data buses.

The arrows on the MCDF toolbar. What does this mean?. If the arrows stop, the maintenance laptop is connected to the airplane and data transfer is active. If the arrows turn, the maintenance laptop is connected to the airplane and data transfer is active. If the arrows turn, the maintenance laptop is connected to the airplane and data transfer is inactive.

The advisory EICAS message ´STAB GREENBAND´ means: Indicates nose heavy or tail heavy condition. Main landing gear pressure transducer data has a failure or is invalid. Calculated green band agrees with the validation signal from the nose gear pressure transducers.

When you use the common computing resources (CCR), reset switches for maintenance: CCR reset switch is not to be used for maintenance activities. To erase a status message on the EICAS status page. To restore normal operation of PCM 1 in the left CCR in case of a loose primary power source.

The desiccant color in the head up display: Pink means too much moisture. Green means normal. Blue means too much moisture.

Each HDD sends Built-In-Test Equipment (BITE), Monitor and Status data Remote Data Concentrators (RDC) throught: ARINC 664 data bus. CAN data bus. ARINC 429 data bus.

When the airplane is on the ground, you need to show the status page. Which button do you push?. CDU. INFO. SYS.

Which module in the core network cabinet stores loadable software airplane parts (LSAP). Crew Information System - Maintenance System File Server Module (CIS-MS FSM). Ethernet gateway module (EGM). Network interface module (NIM).

When you apply power to the airplane on battery power only. How long does it take for the left CCR cabinet to power up and the displays to show?. 60 seconds. 30 seconds. 2 to 3 minutes.

From the dropdowns, choose the CMCF menu selections for GROUND TEST: REPORT. EXTENDED MAINTENANCE. LINE MAINTENANCE.

Flight deck entry camera does not operate. The other 2 cameras operate normally. You check for power at the camera 3 electrical connector. The power is 0v dc. What is the most likely cause of the camera failure?. Surveillance Camera Interface Unit (SCIU). Electronic Flight Bag Electronics Unit. Core Network System.

The remote Data Concentrators (RDC) software: Depends on the position. All have the same. Depends on the airplane system connected.