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CISCO HWIC-4T= 4-Port Serial High-Speed WAN Interface Card

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The HWIC-4T provides four serial ports using Smart Serial connectors and cables. Each port can run at an interface speed up to 8 Mbps.

Learn more about the Cisco Systems, Inc. HWIC-4T=




0.80" Height x 3.10" Width x 5.60" Depth
32°F (0°C) to 104°F (40°C) Operating

4°F (-15.6°C) to 149°F (65°C) Storage
10 % ~ 90 % (Non-condensing)


Application/Usage: Wide Area Network

Interfaces/Ports: 4 x Synchronous /Asynchronous Serial WAN

Interfaces/Ports Details: 4 x Smart Serial Asynchronous/Synchronous Serial WAN

Connectivity Media: Serial Cable

Data Transfer Rate:
- 8 Mbps Maximum Synchronous Serial Per Port
- 230.40 Kbps Maximum Asynchronous Serial Per Port

Protocols: PPP, HDLC, Bi-sync, SLIP, X.25

Spare Product

Lead Manipulation

Network Clock Synchronization

Modular Router Solutions:
- DCN (Data Communications Network)
- Serial & Legacy Concentration

Interfaces supported are as follows:
- In both DTE and DCE formats: V35, X21, RS-232, and RS-449
- In DTE format only: EIA-530 and EIA-530A

HWIC slot

Supported Platforms & Minimum IOS Versions:
- Cisco 2851 - 12.3(14)T
- Cisco 2821 - 12.3(14)T
- Cisco 2811 - 12.3(14)T
- 3845 - 12.3(14)T
- 3825 - 12.3(14)T

Supported on 2800 and 3800 Series Integrated Services Routers

Agency Approvals:
- UL 1950 (United States)
- CSA-C22.2 #950 (Canada)
- EN60950 (Europe)
- TUV GS (Germany)
- IEC 950 (International)

- EN300386
- EN55024/CISPR24
- EN50082-1

- FCC Part 15 Class A
- ICES-003 Class A
- EN55022 Class A
- CISPR22 Class A
- AS/NZS 3548 Class A
- VCCI Class A
- EN 300386
- EN61000-3-3
- EN61000-3-2

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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