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Quasar M - digital E1 card for Asterisk
| Features
- One or two E1 ports
- PCI or PCIe interface
- Low profile formfactor (for PCIe)
- Hardware echo cancellation
- Bypass switch
- Embedded TDM switch
- DMA data transfer
- Zaptel (dahdi) optimized structure of PCI frames
- Linux driver (x86, x64)
- Linux configuration utility
- Works with any DAHDI-compatible PBX - Asterisk (FreePBX), FreeSwitch, Yate
Resources
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DescriptionQuasar-M interface board is intended for connection of E1 interfaces to the servers running Asterisk soft PBX. The adapter is configured as a computer board of PCI or PCI-Express format. Quasar-M supports processing up to 60 voice channels, as well as industry standard telephony signaling, including SS7, PRI (EuroISDN, Q.931/Q.921, AT&T 4ESS, National ISDN 2, Lucent 5E). For CPU offloading, the adapter provides hardware echo cancellation option. The embedded bypass switch can be useable in high reliable voice processing systems. Quasar-M is compatible with all well-known telephony projects – Asterisk, Yate, FreeSWITCH, trixbox, Elastix, FreePBX.
Technical data| E1 attenuation | 0..-40 db (port 0), 0..-6 db (port 1) | | Coding | AMI or HDB3 | | E1 line clocking | Master or slave | | E1 multiframe | CRC4, CAS | | Switching | Embedded TDM switch 64x64 slots | | Bus interface | PCI 32 bits, 33 Mhz, PCI master capable or PCIe x1 | | Software support | - Configuration utility for Linux
- Zaptel (dahdi) driver for Asterisk
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| Quasar-ME | 1 E1 port, PCI
| | Quasar-MEE | 2 E1 ports, PCI | | Quasar-MEX | 1 E1 port, PCIe | | Quasar-MEEX | 2 E1 ports, PCIe | | Quasar-ME-EC | 1 E1 port, PCI, echo canceller
| | Quasar-MEE-EC | 2 E1 ports, PCI, echo canceller | | Quasar-MEX-EC | 1 E1 port, PCIe, echo canceller | | Quasar-MEEX-EC | 2 E1 ports, PCIe, echo canceller | | Quasar-MEE-EC-FO | 2 E1 ports, PCI, echo canceller, bypass
| | Quasar-MEEX-EC-FO | 2 E1 ports, PCIe, echo canceller, bypass
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ApplicationsOffice PBX with exterior E1 line
Corporative VOIP gateway
E1 access server
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