Fujitsu PRIMERGY TX2550 M5 Upgrade And Maintenance Manual page 524

Serial interface
Breaking out the metal cover
Figure 337: Breaking out the metal cover
▶ If applicable, break out the metal cover from the rear by using a flat screw
driver (see close-up).
▶ Insert the serial interface from inside and fasten it with the two hexagon
bolts UNC 4-40 (see circles).
Installing the serial interface
▶ If applicable, remove an expansion card, see
card" on page 358.
524 Upgrade and Maintenance Manual
"Removing an expansion
TX2550 M5