Brand: Generic · SKU: HWIC-4T1/E1 · MPN: HWIC-4T1/E1 · Category: Components

Cisco HWIC-4T1/E1 is a high-speed WAN interface card featuring 4 T1/E1 ports with clear-channel support. Designed for compatible Cisco routers, it provides reliable connectivity for enterprise WAN and network applications.
| Safety | • United States: UL60950 • Canada: C22.2 No.60950 • Europe: EN60950 • Australia and New Zealand: AS/NZS3260 and TS001 • Other countries: IEC60950 |
|---|---|
| Weight | 0.20 lb (0.09kg) |
| Management | • Supported by Cisco WAN Access Performance Management System (WAPMS) • Cisco CNS 2100 Series Intelligence Engine (IE2100) • CiscoWorks |
| Device Type | Expansion module |
| Form factor | Plug-in module |
| Part Number | HWIC-4T1/E1 |
| Manufacturer | Cisco |
| Alarm Detection | • Yellow alarm: Receive/send from/to network • Blue alarm: Receive alarm indication signal (AIS) from network • Red alarm: Loss of network signal |
| Interfaces/Ports | 4 x RJ-48C T1/E1 WAN |
| Relative Humidity | 5 to 95% noncondensing |
| Data Transfer Rate | 1.54 Mbps T1 2.05 Mbps E1 |
| Telecom Compliance | • United States: FCC Part 68 and TIA-968A • Canada: Industry Canada CS-03 • European Union: TBR 4, TBR 12, and TBR 13 • Australia: AS/ACIF S038 and AS/ACIF S016 • Japan: JATE Gray Book • Hong Kong: HKTA 2027 and HKTA 2015 • Taiwan: IS6100 • Singapore: IDA TS ISDN PRA • Korea: MIC No.2004-15 |
| Signaling Debugging | • ISDN Q.921 and Q.931 decode • All other previously existing applicable Cisco IOS Software debugs |
| Relevant MIB Support | • RFC1406-MIB • CISCO-ICSUDSU-MIB |
| Operating Temperature | 32 to 104°F (0 to 40°C) 14 to 131F (-10C to 55C when installed in the MWR-2941-DC) |
| Dimensions (H x W x D) | 0.75 x 3.08 x 4.74 in. (1.91 x 7.82 x 12.04 cm) |
| EMC Emissions and Immunity | 47 CFR Part 15: • CISPR22: 2005 • EN300386: V1.3.3: 2005 • EN55022: 1994 [+ amd 1 & 2] • EN55022: 1998 • EN61000-3-2: 2000 [Inc amd 1 & 2] • EN61000-3-3: 1995 [+ amd 1: 2001] • ICES-003 Issue 4: 2004 • KN 22: 2005 • VCCI: V-3/2006.04 • CISPR24: 1997 [+ amd 1 & 2] • EN300386: V1.3.3: 2005 EN50082-1: 1992 • EN50082-1: 1997 • EN55024: 1998 [+ amd 1 & 2] • EN61000-6-1: 2001 |
| Diagnostic Loopback Support | • E1 loopback modes • Controller local loopback • Interface local loopback • T1 loopback modes • Interface local loopback • Interface remote loopback • Controller local loopback • Controller remote loopback • CSU loopback modes for T1 CSU • Data terminal equipment (DTE) loopback • Network loopback • Payload loopback |
| Network Equipment Building Standards (NEBS) | • GR-63 • GR-78 • GR-1089-CORE Type 1/3 |
| Telecommunication Interface Industry Standards | • ITU-T G.703 • G.704 • G.706 • G.823 • ANSI T1.403 |
| Warranty | 3-Year Warranty |
Cisco HWIC-4T1/E1 is a high-performance 4-port T1/E1 WAN interface card designed to expand the WAN connectivity capabilities of compatible Cisco routers. It supports T1 and E1 connectivity and provides clear-channel operation for reliable high-speed WAN communication. This Cisco router interface card is suitable for enterprise networking environments that require multiple T1/E1 connections. It can be used for WAN connectivity, network expansion, and other compatible business networking applications. The HWIC-4T1/E1 provides a practical solution for organizations looking to add multiple WAN interfaces to their existing Cisco router infrastructure without replacing the entire routing platform. Frequently Asked Questions Q: What is the Cisco HWIC-4T1/E1? A: It is a Cisco High-Speed WAN Interface Card designed to provide multiple T1/E1 WAN connections for compatible Cisco routers. Q: How many ports does the HWIC-4T1/E1 have? A: The interface card provides 4 T1/E1 ports . Q: What type of connectivity does this card support? A: It supports T1 and E1 WAN connectivity , including clear-channel applications. Q: What is the HWIC-4T1/E1 used for? A: It is used to add multiple T1/E1&
Yes, this Cisco HWIC-4T1/E1 4-Port T1/E1 WAN Interface Card (HWIC-4T1/E1) is 100% genuine Generic hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco HWIC-4T1/E1 4-Port T1/E1 WAN Interface Card includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the HWIC-4T1/E1.