29
VL-SVN511BX/VL-SVN511CX/VL-SVN511CX1
8.2.5. Defect of the Communication between the Door Station and the PBX
Reference:
•(*1) How to Remove the Main Board, Mic Board, Speaker and LCD [No.3] (P.36).
•(*3) Operation Check of the Door Station (P.19).
•(*6) Operation Check of the Main Monitor Station (P.22).