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Sirrix.PCI4S0 is a PCI-based ISDN interface card. It provides 4 BRI (Basic Rate Interface) ports that can be connected directly to both, the public ISDN network as well as to ISDN end-user devices like telephones and fax machines.
Sirrix.PCI4S0 is full ISDN combatible and thus, it can be employed for voice applications as well as for data communications.
The BRI ports are provided by four Infineon PSB 21150 (ISAC-X) interface circuits. There is a 32 KByte SRAM on-card that can be used for buffering the B-Channel data between hardware and the software application. The communication with the software is realized by a FPGA using the PCI bus.
The optionally available crypto mechanisms are realized in hardware and included within the FPGA. They allow a zero-delay encryption and decryption of the B-Channels.
BRI Interface Lines
All 4 BRI lines of Sirrix.PCI4S0 can be configurated independently to work in the NT mode (Network Termination) or TE mode (Terminal Equipment). In both modes they can be operated as PtMP (Point-to-MultiPoint) or as PtP (Point-to-Point) . Moreover and in all configurations, they support MSNs (Multiple Subscriber Number) and DDI (Direct Dialling In).
Integrated PCM Bus
All cards of the Sirrix.PCI ISDN family offer a high-speed internal PCM bus allowing to interconnect any variation of Sirrix.PCI ISDN cards within one fully featured hardware-based ISDN PBX. This provides a zero-delay perfect-quality voice and data transmission.
Sirrix.PCI4S0 can be connected with an internal 40V power supply (Sirrix.PS40V-A). The power is transformed from the computer's internal 12V power supply. Every line can be selected to be supplied by jumper configuration. Moreover, every line can be terminated (100 Ohm resistor for BRI line termination) also by using jumpers.
The activation of the ports is indicated by 4 LEDs on the rear bracket. There are 2 more internal LEDs indicating the overall status of the card and its FPGA.
ISDN Facilities Support
Almost all ISDN facilities are supported by Sirrix.PCI4S0. This encloses, e.g., CLIP (Calling Line Identification), CF (Call Forwarding), CW (Call Waiting), Call Hold and Transfer, Advice of Charge (AOC) and AOC During Call (AOCD), 3PTY (Three Party Conference) etc. These facilities are supported by our comprehensive ISDN stack implementation. They can be used in PBX applications to provide the corresponding facilities.
Certain Q.SIG supplementary services are implemented as well to improve the interworking with PBX systems. CNIP (Calling Name Identification Presentation) and CONP (Connected Name Identification Presentation) provide the most valuable features allowing to present names instead of numbers.
Sirrix.PCI4S0 can be used, e.g., with the open-source PBX software Asterisk, for which we provide a channel driver.
With Sirrix.PCI4S0, everyone can build flexibel, COTS-based PBX systems that allow much more facilities than common PBX.
Moreover, Sirrix.PCI4S0 can be used to build ISDN crypto-gateways or Voice-over-IP gateways or least-cost routers.
Sirrix.PCI4S0 card can be operated in an arbitrary PCI-based system with 32 Bit PCI 2.1 and with linux kernel 2.6.
• PCI V2.1 Card 175 mm x 102 mm incl. PCI connector + bracket
• Four S0 ports (BRI) 1 x RJ45 port each
• Programmable gate array (FPGA Altera Acex)
• 2 LEDs (D9 and D11) for display of FPGA and card status
• 32 KByte SRAM as B-channel buffer for software switching with a depth of 64, 128, 256 or 512 Byte.
• Sirrix.PCM bus for B-channel switching in hardware across multiple cards (bandwidth 12,288 MBit = 192 B-channels)
• Conference room for three parties (3PTY) in A-law / µ-Law codec with a data delay of only one frame (125 µsec)
• Retrievable serial number
• Transparent encryption with low delay of B-channels with an arbitrary block cipher in the operation modes OFB, CFB, CTR or with another arbitrary stream cipher
• S0 ports (BRI) Infineon PSB21150 ISAC-X V1.4
• Each S0 port is configurable in NT or TE mode independently.
• 100 Ohms terminating resistors
• S0 power supply (POWER12, POWER34; 40 V power supply Sirrix.PS40V-A at POWER-40V); current-limiter to 0,1 A (4 W) per port onboard (ETSI EN 300 012-1)
• One LED for each S0 port for display of the Layer 1 activation state
• Comprehensive implementation of the DSS1 ISDN stack
• Layer 1: Hardware with kernel module (ITU-T I.430 / ETSI EN 300 012-1)
• Layer 2 and 3: in user space (ITU-T Q.920, Q.921, Q.930, Q.931, Q.932, Q. 850 / ETSI EN 300 012, ETS 300 125, ETS 300 102, EN 300 196)
• NT and TE mode in PtP and PtMP configuration
• Arbitrary number of Layer 2 und 3 instances
• ISDN numbers with arbitrary length, with or without direct dialling in (MSN + DDI, ITU-T Q.951.1, Q.951.2, ETSI EN 300 064-1, EN 300 052-1)
• Display of calling party number (CLIP) (ITU-T Q.951.3, ETSI EN 300 092-1)
• CallerID name can be transmitted by Display Information Element
• Suppression of display of calling party number (CLIR), from telephone menu (ITU-T Q.951.4, ETSI EN 300 093-1)
• Connected Party Number (COLP) (ITU-T Q.951.5, ETSI EN 300 097-1)
• Call forward (CFU, CFNR, CFB, facility protocol), from telephone menu (ITU-T Q.952, ETSI EN 300 207-1)
• Hold and call selection (HOLD) (ITU-T Q.953.2, ETSI EN 300 196-1)
• Call transfer (ECT) (ITU-T Q.952.7, ETSI EN 300 369-1)
• CallWaiting (CW) (ITU-T Q.953.1, ETSI EN 300 058-1)
• Three party conference (3PTY) from telephone menu (ITU-T Q.954.2, ETSI EN 300 188-1)
• Advice of charge (AOCD) in units or currency (ITU-T Q.956.2, ETSI EN 300 188-1)
• Notify Information Element e. g. during HOLD or 3PTY
• Redirection Party Number Information Element
• Q.SIG supplementary services: Display of calling and connected party names (CNIP and CONP)
• Software based PBX systems
• Channel banks and TDMoverIP
• ISDN crypto gateways
• VoIP gateway to the public telephone network or VoIP Gateway for internal extensions
• Least Cost Router for VoIP or CbC
• Sirrix.PCM-Bus supports up to 8 ISDN-cards per system with automatic system-wide clock synchronisation
• By interlinking multiple systems, a virtually arbitrary amount of extensions can be served.
• The connection to the public net can be achieved by an arbitrary number of BRI- or PRI-ports.
• Arbitrary computer system
• Free 32 Bit PCI 2.1 slot
• Linux with kernel 2.6
The Sirrix.PCI4S0 BRI card provides in addtion to the software configuration options also parameter that can be changed directly on-card. E.g., every port can be terminated seperately on-card . Moreover, each port can be linked to an power supply.
PCI2S0 / PCI4S0
PCIE1 / PCI2E1
|BRI Ports|| |
2 / 4
|PRI (E1) Ports|| |
1 / 2
4 / 8
30 / 60
|Echo-cancellation, SW-based|| |
|Echo-cancellation, DSP-based|| |
|Voice-Conferencing, DSP-based|| |
32 / 64 Channels
|Switching Fabrics in FPGA|| |
|PCM Channels|| |
|SRAM buffer size|| |
PCI 3.3V and 5V
PCI 3.3V and 5V
PCI 3.3V and 5V
|On-Board TPM|| |
* indirectly supported via PCM bus in combination with PCI4S0EC, PCI1E1 or PCI2E1 cards
|Number of E1/T1/J1 PRI Ports||No|