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Cisco 4-Port Clear Channel T1/E1 HWIC (HWIC-4T1/E1)

VENDOR: CISCO Mfg Part#: HWIC-4T1/E1
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$2,386.36
$2,386.36
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MSRP: $3,500.00
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  • Integrated CSU/DSU per port
  • Supports both balanced and unbalanced E1 termination
  • Independent clocking for each of the four ports
  • 4 x RJ-48C T1/E1 WAN interfaces
  • Maximum data transfer rate of 2.048 Mbps
  • Compatible with Cisco 2811, 2821, 2851, 3825, and 3845 routers

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Key Benefits

Eye-Insights
  • Enables flexible and scalable WAN architecture with 4 independently clocked T1/E1 ports
  • Reduces total deployment costs through integrated CSU/DSU and compact footprint
  • Ensures compatibility with various Cisco ISR platforms for streamlined network expansion

Product Overview

The Cisco HWIC-4T1/E1 is a 4-Port Clear Channel T1/E1 High-Speed WAN Interface Card designed for integration with Cisco 2800 and 3800 Series routers. Its integrated CSU/DSU per port and support for balanced or unbalanced E1 termination allow versatile WAN deployments. Each port offers independent clocking, enabling enhanced routing configurations. With a maximum data transfer rate of 2.048 Mbps and a compact form factor, it is ideal for robust WAN connectivity in tight spaces. The card is also TAA compliant and includes a 90-day limited warranty.

Specifications

Product Overview
Product Type High-Speed WAN Interface Card (HWIC)
Form Factor Internal plug-in module
Application/Usage Wide Area Network
Product Name 4-Port Clear Channel T1/E1 HWIC
Manufacturer Part Number HWIC-4T1/E1
Brand Name Cisco
Compatibility Cisco 2811, 2821, 2851, 3825, 3845 Integrated Services Routers
Weight (Approximate) 3.20 oz (approx. 90.7 g)
Power Consumption 2.5 watts (typical)

Physical & Environmental
Height 0.8 in (20.3 mm)
Width 3.1 in (78.7 mm)
Depth 4.74 in (120.4 mm)
Operating Temperature 32°F to 104°F (0°C to 40°C)
Storage Temperature -40°F to 158°F (-40°C to 70°C)
Operating Humidity 10% to 85% non-condensing
Storage Humidity 5% to 95% non-condensing

Cloud Management & Licensing
Management Interface Cisco IOS CLI
Remote Management Support Yes, via router IOS
License Requirements Dependent on router platform and IOS feature set
Software Included No dedicated software; managed via router OS

Interfaces
Number of Ports 4
Port Type RJ-48C T1/E1 WAN
Integrated CSU/DSU Yes, per port
Maximum Data Transfer Rate 2.048 Mbps per port
Interface Type T1 (1.544 Mbps) / E1 (2.048 Mbps)
Encoding AMI, B8ZS (T1); HDB3 (E1)
Supported Signaling Clear Channel T1/E1
Clocking Independent clocking per port
Line Build-Out (LBO) 0, -7.5, -15, -22.5 dB
Frame Formats Supported Unframed, Framed

Compliance & Origin
Country of Origin United States
TAA Compliant Yes
Certifications RoHS, UL/CSA, FCC Part 15 Class A, CE Mark
Safety Approval UL 60950-1
Electromagnetic Emissions EN55022 Class A, CISPR22 Class A

Advanced Security Features
Security Capabilities Depends on router; supports QoS, encryption, ACLs via host router
Firewall Support Supported through router-integrated firewall
Intrusion Prevention Support Available via Cisco IOS on supported platforms