EIS Switching Panel

Question 1

EIS SWITCHING PANEL

Q:​ What computers​ feed​ data to the​ six​ display units?​ ​

Answer 1

Ref: (FOM VOL. III-DSC-31-05-10)​ ​

3 Display​ Management Computers​ (DMC)​

Question 2

EIS SWITCHING PANEL

Q:​ What does​ each of​ the​ DMCs​ normally supply?​ ​

Answer 2

Ref: (FOM VOL.​ III-DSC-31-05-30,​ FOM​ VOL. III-DSC-31-30) ​

• DMC 1​ –​ Captain PFD,​ ND,​ upper ECAM DU,​ lower DU​ ​
• DMC 2​ –​ F/O PFD,​ ND​ ​
• DMC 3​ –​ Backup

Question 3

EIS SWITCHING PANEL

Q:​ How can you tell​ if​ a DMC has failed?​ ​

Answer 3

Ref: (FOM VOL. III-DSC-31-05-50)​ ​

“INVALID DATA”​ will​ be displayed in the respective​ EFIS/ECAM​ display​ units

Question 4

EIS SWITCHING PANEL

Q:​ What happens when the upper ECAM​ display​ fails?​ ​

Answer 4

Ref: (FOM VOL. III-DSC-31-05-60)​ ​

The​ E/WD automatically​ replaces​ the​ SD on​ the​ lower ECAM display

Question 5

EIS SWITCHING PANEL

Q:​ If​ both the​ E/WD and​ SD​ display​ units fail, how​ can you display​ E/WD information? ​

Answer 5

Ref: (FOM VOL. III-DSC-31-05-60)​ ​

Select​ the​ ECAM/ND switch​ to CAPT​ or​ F/O to transfer the​ E/WD to either​ ND