Installation Guide | 2 - Hardware Overview | 8
Optional modules on EX08 board
• O2 Module
• S2 Module
• SO Module
• B2 Module
• GSM/3G/4G LTE Module
EX30 Expansion Board
EX30 board supports 1 E1/T1/J1 port.
D30 Module
D30 is a DSP module, used to expand the capacity of PBX. With a D30 module added, the
number of extensions increases by 100 and concurrent calls increases by 30 additionally.