3612 R8 100-240VAC SYSTEM Desktop, wall-mount, 19 rack-mount system accommodates up to four aggregates and twelve channel modules. Includes chassis, internal power supply(100-240VAC) with integral ringing generator(factory configured for 25Hz, use reconfi

3612 R8 100-240VAC SYSTEM Desktop, wall-mount, 19 rack-mount system accommodates up to four aggregates and twelve channel modules. Includes chassis, internal power supply(100-240VAC) with integral ringing generator(factory configured for 25Hz, use reconfigurable to 20Hz), Control Module 3 (90-0575-05),backplane, and the latest version of generic B218(90-0599-80). Optional slide assembly(90-9084-01), optional wall mount bracket(90-0338-04), and customer documentation(90-0582-08) to be ordered separately.