Vertical SBX 3 x 8 Expansion Card
Vertical SBX Expansion Card
The Vertical SBX 3 Line, 8 digital station card may be added to either the base or expansion cabinet; limit is one card per cabinet.
The station ports of this card feature both the Digital and Analog station features to support either a Vertical SBX proprietary digital phone or any standard analog phone such as an inexpensive cordless phone.
Note: The 6 Line, 16 Station packages already include this card and another may not be added.