Cisco 7200/7500 Series 8 Port Serial X.21 Adapter, PA-8T-X21 The Cisco Serial Port Adapter provides network administrators with flexible options for a broad range of port density requirements. This eight port serial port adapter enhances network performance at a low price per port, making it a cost effective solution for maximizing router efficiency. Interfaces: (8) Serial X.21 Data Transfer Rate: 2.05 Mbps Full-duplex Supports eight full-duplex T1/E1 connections or two full-duplex E2 connections Adapter cables determine port mode (DTE or DCE) Effectively doubles number of available ports in same space Cisco Compatibility: 7200 Series Routers  7500 Series Routers  uBR7200 Series  7100 Series Routers  7301 Series Routers  7304 Series Routers  7401ASR Routers  Catalyst... Less

Cisco 1 Port T3 Serial Port Adapter for 7000 Series Routers, PA-T3+ Cisco's PA-T3+ Packet-over-DS3 port adapter for the Cisco 7200, Cisco 7500, and Cisco 7400 Series routers offers high-density, highly manageable DS3 line termination. This port adapter provides direct connectivity to T3 lines for full- duplex communications at the DS3 rate of 44.736 MHz. Each T3 port consists of a pair of 75-ohm BNC coaxial connectors, one for transmit data and one for receive data, along with six LED indicators for line status. Supported on the following Cisco Routers: 7200 Series 7301 7304 7400 Series 7500 Series 7600 Series 6500 Series Condition : Pre-owned in good condition. Warranty : 1 Year We carry a full line of accessories for Cisco equipment. If you do not see what you need in our... Less

Features/Specific ations: USB to RS232 (9-pin) Cable w/25-pin adapter General Features: USB to RS232 (9-pin) Cable, Parallel connection adapter, 3-feet long, Product Requirements: Windows 98/2000/ME/XP/Vis ta, Mac OS 8 or higher, Serial device with a 9-pin or 25-pin interface, PC with USB interface