Inter-Tel 550.2740 Axxess T1/E1 PRI Module

Inter-Tel 550.2740 Axxess T1/E1 PRI Description: The Inter-Tel 550.2740 is a special digital line card that provides the Inter-Tel Axxess phone system with a connection to a T1, E1, or PRI interface. The Inter-Tel 550.2740 terminates the circuit connection at your phone system. This is accomplished through the onboard channel service unit (CSU). The Inter-Tel 550.2740 can accept an optional PAL chip. Auto Gain Control is built in and supported by the Inter-Tel 550.2740. Inter-Tel 550.2740 Features: Terminates a circuit connection T1 E1 PRI Onboard CSU and Auto Gain Control OPTIONAL: PAL Chip Included: Inter-Tel 550.2740 Digital Line Card OPTIONAL: PAL Chip