Description

Yeastar S series* Expansion Board with 4 module slots
S100 and S300 only*.

Capacity (max ports available):

*S20 provides 2 onboard integrated ports, S50 provides 4 integrated ports – no EX08 module required. Please inquire for more information.
**Analogue = Each S2 or O2 card provides 2 ports per slot, or a combination of both per EX08 board.