4-Port Card

The A4 Series of analog cards supports up to four (4) connections per card in your Asterisk system. Using Digium's single-port interface modules, A4 series cards can scale from one (1) to four (4) ports.

The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving you the exact port configuration you need. Digium A4 Series analog cards are available in low profile, half-length PCI and PCI Express form factors.

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8-Port Card

The A8 Series of analog cards supports up to eight (8) connections per card in your Asterisk system. Using Digium's advanced quad-port interface modules, A8 Series cards can scale from one (1) to eight (8) ports.

The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving you exactly the ports you need. The A8 Series cards are available in half-length PCI and PCI Express form factors.

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24-Port Card

The 2400 Series cards support up to 24 analog connections per card in your Asterisk system. Using Digium's advanced quad-port interface modules, 2400 series cards can scale from four (4) to 24 ports.

The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving you exactly the ports you need. Digium 2400 Series cards are available in full-length PCI 2.2 and PCI Express form factors.

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