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The Adtran 550 Quad FXS module provides four 2-wire analog interaces (RJ-45 connectors)
Three soft keys along with the navigational key make configuring this phone simple
Please note if using Comcast: Comcast is known for 'surging' the line which burns out the BT3 phone's chipset
Plantronics 80090-05 Description:
The KP70DB3T/XAR provides three loop start analog trunks / CO lines
Toshiba RPTU2A V.1 ISDN PRI Primary Rate Interface Module Power Supply The Adtran 550 Quad FXSToshiba RPTU2A V. 1 ISDN PRI Primary Rate Interface Module Description: The Toshiba RPTU2A is a ISDN PRI module that terminates a single ISDN PRI circuit into Toshiba phone systems. The Toshiba RPTU2A can terminate 23 B channels and a single D channel into several systems. Toshiba RPTU2A Features: Terminates an ISDN PRI Circuit Requires RPRI CBL KIT Compatibility: Toshiba DP40i (4. 3 or higher) Toshiba DK424 (4. 3 or higher) Toshiba DK424i Toshiba
US$ 79.00
US$ 45.00
US$ 22.50
US$ 22.50
