The AT-AR027 FXS (Foreign Exchange Service) Port Interface Card (PIC) provides low-density, high-quality, full-duplex, inter-site voice/fax communication over IP. Combined with an Allied Telesis router or RapierTM Layer 3 switch it will allow up to eight telephones or faxes to be connected to a Local Area Network. More information: Network | Number of voice channels supported (max) | 2 |  | Supported network protocols | G.711 A/ì-law, G.723.1, 5K3/6K3, G.729 A/B | | Compliance industry standards | VoIP, H323v2, SIP | Weight & dimensions | Width | 84 mm | | Depth | 120 mm | | Height | 18 mm | | Weight | 98 g |
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