The SL2100 works at a number of levels: a cost-effective VoIP enabled phone system, an easily expanded solution withentry-level unified communications or a reliable TDM based PBX with excellent upgrade potential. Specification

• Bus board for System Capacity Expansion
• Use this board as VRS/VM Channel Expansion purpose as well as up to )16 inc)
• Mount to CPU(Exifb Connector)
• Support Analog Modem (V.34)
• Additional Telephony Resources
• initially Provide : 2*bus connectors for expansion Chassis(RJ61)