||4.04 x 3.08 x 0.75 in.
With the Cisco 4-Port Clear Channel T1/E1 HWIC with integrated channel service unit and data service unit (CSU/DSU), you can consolidate customer premises equipment (CPE). The modules support balanced and unbalanced E1 connectivity and conform to G.703 and G.704 standards for unframed and framed E1 modes. The module supports both T1 and E1 modes, selectable by software configuration.
• 4 ports of RJ-48 connectors
• Cisco IOS® Software configurable for T1 or E1 operation
• Integrated CSU/DSU per port
• Balanced or unbalanced E1 termination in the same module
• E1 unframed and framed modes (G.703 and G.704)
• Independent clocking for each port
• Multilink PPP or Multilink Frame Relay (FRF.16) for T1/E1 ports on the same module and across different modules