Cisco 2-Ports T1 / E1 Multiflex Voice / WAN Interface Card – 73-13420-01

Cisco 73-13420-01 Two-Port T1/E1 Multiflex Voice and WAN Interface Card

Extend compatible Cisco routing infrastructure with the 73-13420-01 two-port T1/E1 Multiflex Voice/WAN interface card. This component is intended for organizations that continue to operate voice or WAN services over T1 and E1 interfaces and need a platform-matched card for deployment, replacement, or service inventory. Its two-port configuration and Multiflex designation provide the central selection details for network planners evaluating legacy circuit connectivity within an established Cisco environment. Verifying the host router, interface-card support, regional circuit requirements, and software configuration before purchase helps ensure that the card fits the intended voice or WAN project.

Key Features

• Two-port interface configuration
• T1 and E1 connectivity
• Multiflex voice and WAN interface card
• Designed for compatible Cisco routing equipment
• Useful for legacy circuit support and replacement planning

Product Specifications

• Part Number: 73-13420-01
• Manufacturer: Cisco
• Port Count: 2
• Interface Standards: T1, E1
• Function: Multiflex voice and WAN
• Component Type: Voice/WAN interface card

Voice and WAN Interface Specifications

The card provides a two-port Multiflex interface for T1 and E1 service requirements, making it relevant to network designs that combine voice and WAN connectivity on a supported Cisco platform. The circuit type and host interface architecture should be reviewed together when planning installation or replacement.

Use Cases

• Supporting T1 or E1 circuits in a compatible Cisco router
• Replacing an installed voice or WAN interface card
• Maintaining legacy telephony and WAN connectivity
• Keeping an exact spare for network service operations

Compatibility

The 73-13420-01 is identified as a Cisco two-port T1/E1 Multiflex Voice/WAN interface card. Confirm the router model, supported card slot, circuit type, software, and regional service requirements before installation.

Frequently Asked Questions

How many ports does this interface card provide?

The product is listed with two ports.

Which circuit standards are supported?

The listing identifies T1 and E1 interfaces.

What is the card used for?

It is a Multiflex voice and WAN interface card for compatible Cisco routing equipment.

The 73-13420-01 offers a precise sourcing path for Cisco installations that still depend on T1 or E1 voice and WAN connectivity. Confirm the target router and circuit requirements before ordering, then use the exact part number in service documentation and replacement stock. A correctly matched interface card can help network teams preserve established services, simplify maintenance planning, and avoid unnecessary changes to a working legacy connectivity design.