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Name:
HWIC-4B-S/T
- Description:
- 4-port ISDN BRI High-Speed WAN Interface Card Cisco Router High-Speed WAN Interface card
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Added to cart 29 times recently
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- 660166181694
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3 - List Price:
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$1,600.00
- Price:
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$530.00
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HWIC-4B-S/T
4-port ISDN BRI High-Speed WAN Interface Card Cisc...
$1,600.00
$530.00
29 in Global Warehouse
$530.00
67% off
TRUSTED, TRIED, PROVEN
HWIC-4B-S/T Overview
HWIC-4B-S/T is a high-speed WAN interface card designed for Cisco Integrated Services Routers. It delivers four B-channel ports via RJ-45 connectors engineered for T1/E1 deployments, providing both voice and data connectivity with support for essential protocols such as PPP and HDLC. The module’s compact HWIC form factor allows it to be directly installed in compatible Cisco routers, ensuring a seamless upgrade to routed WAN interfaces.
HWIC-4B-S/T offers reliable performance and flexible integration, making it ideal for environments that demand improved WAN connectivity and enhanced voice services. Its proven design supports mission-critical applications—from expanding small branch offices to reinforcing data center network scalability—while meeting industry standards for power efficiency and operational durability.
What is the price of HWIC-4B-S/T?
Lowest price of HWIC-4B-S/T is $ 530.00. Shop now! Get further exclusive discounts with bulk quotation on HWIC-4B-S/T
Explore more options from Network Modules And Cards or explore other Cisco products.
HWIC-4B-S/T Specifications
| Product Type | Network Module / Network Card |
| Module Type | WAN Module |
| Data Rate | 64Kbps per B-channel |
| Connector Type | RJ-45 |
| Supported Protocols | PPP / HDLC |
| Form Factor | HWIC |
| Operating Temperature | 0 to 55°C |
| Storage Temperature | -40 to 70°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco Integrated Services Routers |
| Max Speed | 64Kbps per B-channel |
| Supported Features | Integrated voice and data, QoS, call admission control |
| Power Consumption | N/A |
| Interface Ports | RJ-45 |
| Expansion Slots | HWIC slot |
| Product Name | Cisco HWIC-4B-S/T |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
HWIC-4B-S/T Use Case
Branch Office Business Continuity with HWIC-4B-S/T-4-port ISDN BRI
Deploy the HWIC-4B-S/T-4-port ISDN BRI High-Speed WAN Interface Card on Cisco ISR routers at distributed retail or finance branches to provide automatic ISDN-based failover when primary MPLS or broadband links fail. Outcome: seamless connectivity, <99.99% uptime, simplified SLA compliance and reduced revenue loss during outages.
Secure Remote Site Integration over ISDN BRI
Use the HWIC-4B-S/T-4-port ISDN BRI card on Cisco routers to connect remote oil-and-gas field offices or temporary project sites—where DSL or fiber isn’t available—to headquarters via ISDN BRI. Outcome: reliable, encrypted WAN access at up to 512 Kbps aggregated bandwidth, ensuring real-time data collection and operational continuity.
VoIP Trunking & Legacy PBX Migration with HWIC-4B-S/T-4-port ISDN BRI
Integrate legacy TDM PBX systems into Cisco Unified Communications by terminating up to four ISDN BRI lines on the HWIC-4B-S/T-4-port card. Outcome: cost-effective VoIP trunking, phased migration to IP telephony, preservation of existing voice infrastructure and accelerated ROI.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco Integrated Services Routers | Cisco Routers | Cisco | Cisco Integrated Services Routers | Cisco |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-48 |
| Data Rate | 64Kbps per B-channel | 10/100 Mbps | 1Gbps | 10/100Mbps | 1.544Mbps / 2.048Mbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Expansion Slots | HWIC slot | EHWIC | EHWIC | HWIC | EHWIC |
| Form Factor | HWIC | Modular | Modular | HWIC | Modular (HWIC) |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | N/A | 3.3V | N/A | 3.3V |
| Interface Ports | RJ-45 | Ethernet | Ethernet | RJ-45 | T1/E1 |
| Max Speed | 64Kbps per B-channel | 100Mbps | 1Gbps | 100Mbps | 1.544Mbps / 2.048Mbps |
| Module Type | WAN Module | Ethernet Switch Module | WAN | Ethernet | T1/E1 |
| Operating Temperature | 0 to 55°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | N/A | 15W | N/A |
| Product Name | Cisco HWIC-4B-S/T | HWIC-4ESW | HWIC-CABLE-D-2 | Cisco HWIC-D-9ESW-POE | HWIC-4T1/E1 |
| Product Type | Network Module / Network Card | Network Module | Network Module | Network Module / Network Card | WAN Module |
| Storage Temperature | -40 to 70°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Integrated voice and data, QoS, call admission control | Auto-negotiation, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | PoE, VLAN, Auto-negotiation, QoS | N/A |
| Supported Protocols | PPP / HDLC | TCP/IP | TCP/IP | TCP/IP, Ethernet | PPP/HDLC |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the Cisco HWIC-4B-S/T?
A
The Cisco HWIC-4B-S/T is a 4-port ISDN BRI High-Speed WAN Interface Card that provides reliable digital WAN connectivity for Cisco routers by supporting up to 128 kbps per port.
Q
Which Cisco routers support the HWIC-4B-S/T?
A
The HWIC-4B-S/T is compatible with Cisco 1800, 2800, 2900, 3800, and 3900 Series routers that have an available HWIC slot.
Q
What interface ports and speeds does the HWIC-4B-S/T provide?
A
It offers four RJ-45 S/T BRI ports, each supporting an aggregate of 128 kbps over two 64 kbps B-channels plus a 16 kbps D-channel for signaling.
Q
How do I install the HWIC-4B-S/T in my Cisco router?
A
Power off the router, insert the module into an available HWIC slot, secure the retention screws, power on, and verify installation with the "show inventory" command.
Q
Does the HWIC-4B-S/T require an additional software license?
A
No additional license is required; the HWIC-4B-S/T operates under the router’s existing WAN feature set.
Q
Which Cisco IOS software versions support the HWIC-4B-S/T?
A
The card is supported on Cisco IOS Software Release 12.4(IW) or later, including 15.x Universal and Security images with ISDN BRI support.
Q
How do I configure ISDN BRI interfaces on the HWIC-4B-S/T?
A
Use CLI commands such as "interface bri 0/0/0", set the correct "isdn switch-type" for your provider, and assign IP addressing under the interface.
Q
What use cases and benefits does the HWIC-4B-S/T offer?
A
It enables scalable remote office connectivity, rapid dial-up backup, and convergence of voice and data over ISDN BRI with simplified provisioning.
Q
How many B and D channels are available per port on the HWIC-4B-S/T?
A
Each port provides two 64 kbps B-channels for user data and one 16 kbps D-channel for signaling (2B+D per port).
Q
What data-link protocols are supported by the HWIC-4B-S/T?
A
Supported protocols include PPP, Multilink PPP, Frame Relay, HDLC, and X.25 over ISDN BRI interfaces.
Q
Can the HWIC-4B-S/T be used for backup WAN connectivity?
A
Yes, it supports automated dial-up backup and primary WAN links with rapid failover through dialer profiles.
Q
What is the power consumption of the HWIC-4B-S/T?
A
The HWIC-4B-S/T consumes approximately 3.8 watts and draws around 0.16 amps from the router’s HWIC power budget.
Q
How do I troubleshoot no dial tone on the HWIC-4B-S/T?
A
Verify the "isdn switch-type" is correct, inspect RJ-45 cable wiring, confirm service status with your provider, and use "debug isdn q931" for call diagnostics.
Q
What is the warranty coverage for the HWIC-4B-S/T?
A
The module is covered by Cisco’s Limited Lifetime Hardware Warranty and includes 90 days of complimentary technical support.
Q
Does the HWIC-4B-S/T support TE and NT modes?
A
Yes, it supports both Terminal Endpoint (TE) and Network Termination (NT) modes via configurable CLI settings.
Q
What accessories are required to deploy the HWIC-4B-S/T?
A
You need RJ-45 S/T ISDN cables for each port and an active ISDN BRI service subscription from your telecom provider.
