Digium, Inc. Wildcard TE420 quad-span T1/E1/J1 card 3.3V (PCI-Express) (5th gen)

CM4 Functionality	Pi 5 Functionality	Driver Required?	More Info
Full	Untested	Yes	GitHub Issue

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Description and Notes

The Digium TE420 card was designed for use with Asterisk, Switchvox, and FreePBX; providing up to 120 channels of voice and data, the Digium TE420 card has four standard RJ-45 ports. The Digium TE420 can provide four T1, E1, or J1 interfaces and support 96 T1/J1 or 120 E1 connections.

DIGIUM TE420 FEATURES:

• Supports up to 120 Channels
• Four RJ-45 Ports
• Four T1, E1, or J1 Interfaces
• Status Indicator Lights

Installation Notes

This card supports both 32-bit and 64-bit kernels, and needs the following added to boot/config.txt in order to support 32-bit DMA:

# Force PCIe config to support 32bit DMA addresses at the expense of
# having to bounce buffers.
dtoverlay=pcie-32bit-dma

Kernel driver: Installing DAHDI

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Digium, Inc. Wildcard TE420 quad-span T1/E1/J1 card 3.3V (PCI-Express) (5th gen)