Customer Reviews
Questions?  Call us today!  800-929-8061

Click to enlarge

Digium 1A4B00F 4 Port Modular Analog PCI Express x1 Card

The Digium 1A4B00F is a 4-port modular PCI Express card that supports a mix of up to 4 FXO or FXS analog ports.
New: $204.00
Bracket Size
Echo Cancellation

Digium 1A4B00F Features

  • Provides 4 RJ-11 ports for analog connections
  • Can add any combination of up to 4 single FXS (S110M) or single FXO (X100M) modules (see options above)
  • Utilizes Asterisk's High Performance Echo Cancellation (HPEC) Software
  • Can add optional DSP-based carrier grade echo cancellation module (VPM032) (see option above)
  • 32-bit 33MHz
  • Full height, half-length analog PCI Express board
  • Optional low-profile bracket available (sold separately; see drop down option above)
  • Note: For use only with PCI Express (PCIe) 1.0 compliant slot - x1, x4, x8, or x16 (see slots 4, 5, 6, and, 7 below)
Digium PC Card Slots


  • Connect Asterisk-based systems to analog phone lines
  • Connect analog PBX systems to VoIP services
  • Channel Bank Replacement / Alternative
  • Gateway Termination to analog telephones/lines
  • Suitable for Small Office/Home Office (SOHO) and Small and Medium Business (SMB) applications


  • Asterisk - DAHDI 2.8 or later required
  • Switchvox - Switchvox 5.8.1 or later required

Accessories and Related Items
Low Profile Bracket for 4-Port A4 Analog Cards (3244-00052)
Low Profile Bracket for 4-Port A4 Analog Cards (3244-00052)

Low Profile Bracket for 4-Port A4 Analog Cards (3244-00052)

best live chat
  • Find us on Facebook
  • Find an installer at