Samsung 8 Port Single Line Expansion Card(Model # DCS-8-SLI)
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- Provides 8 circuit analog station interface for industry standard single line telephones or other analog peripheral devices (voice mail, etc)
- THIS CARD DOES NOT CONTAIN ANY OVER-VOLTAGE PROTECTION AND IS NOT QUALIFIED AS OPX. It also does not contain DTMF receivers, but shares system Disconnect Supervision resources. Includes 8 single line user guides