Provides 12 RJ45 ports – The first 8 ports are DS ports for the connection of Avaya digital phones. It can be fitted with an IP500 trunk interface card that uses the additional 4 ports for trunk connections. Maximum – 3 per IP500 control unit Compatibility Compatible with IP500 Control Unit running IP Office R5.0 or higher Compatible with IP500 V2 Control Unit running IP Office R6.0 or higher or IP Office Partner Version Compatible with 1400, 2400, 5400, and 6400 series digital telephones Also compatible with 9500 series digital phones on IP Office R7.0 or higher Optional IP500 trunk interface cards – IP500 Analog Trunk 4, IP500 Universal PRI 1, IP500 Universal PRI 2
