Your question about Siemens S30810-Q2960-X CBMOD Hicom 150 E OfficePro

The CBMOD board is the central control board for Hicom 150E officePro, on which all central control and switching functions are executed. If necessary, the following boards can be inserted into the corresponding slots of the CBMOD:

• CGMC (Clock Generator Module Combined), optional
• Flash Card with release specific Systemsoftware (APS). The following release specific variants are available: 
• •   FMC (8 MB) - Rel.1.0
  •   FMC (10 MB) - as of Rel.2.2 (optional with Security Package)
• Modem Card IMOD, optional