HWIC-4T1/E1 Specifications
Cisco High-Speed WAN Interface Card (HWIC) 4-Port T1/E1
Manufacturer: Cisco Systems
Manufacturer Model: HWIC-4T1/E1
Product Line: Cisco High-Speed WAN Interface Cards (HWIC)
Product Series: WAN Interface Modules
Product Type: High-Speed WAN Interface Card
Product Name: Cisco HWIC 4-Port T1/E1 Module
KEY FEATURES:
Ports: 4 × T1/E1
Interface Type: T1 (DS1) / E1 (G.703)
Module Type: High-Speed WAN Interface Card (HWIC)
Hot-Swap Support: Yes
Compatibility: Cisco ISR G2 and 4000 Series Routers
PERFORMANCE:
Port Speed: T1 up to 1.544 Mbps, E1 up to 2.048 Mbps
Low Latency: Optimized for WAN connectivity
Reliable Connectivity: Enterprise-grade T1/E1 communications
ENVIRONMENTAL & RELIABILITY:
Designed for enterprise and service provider WAN deployments
Enterprise-class reliability for continuous 24×7 operation
Supports long-term operation in network infrastructure environments
PHYSICAL:
Form Factor: HWIC Module
Installation: Router HWIC slot
Hot-Pluggable: Yes
Cooling: Chassis-managed airflow

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