3Com NBX 3 Analog Device Connections
This product supports all NBX 25, NBX 100, Superstack systems 

Features, Benefits & Product Specifications:

Basic Analog Connectivity
These products offer you the best of both worlds, seamlessly bridging the gap between 3Com's next-generation networked telephony solutions and traditional analog devices. Easily connect analog phones, cordless phones, speakerphone extensions, and other industry standard tip/ring (2500 set) analog devices to your NBX solution. Group 3 fax machines are also fully supported. Analog devices are available in a single-port stand-alone unit as well as a four-port chassis-based card. The single-port ATA unit also includes an additional Ethernet port that allows an analog device and an Ethernet device to share the same Ethernet LAN cabling

• Connects to a wide variety of industry standard analog devices and fax machines
• Support for door phones, paging systems, and other applications that may require analog connectivity
• Helps preserve your investments in tip/ring analog devices
• 3Com NBX analog terminal adapter (3C10120) provides one analog (FXS) port
• 3Com NBX analog terminal card (3C10117) features four analog (FXS) ports

Product Specifications:

• Port capacities: Analog terminal adapter (3C10120): 1 port; analog terminal card (3C10117): 4 ports