A 40V power supply is needed for ISDN devices without power supply that are used in TE mode. Do I need a power supply in order to connect a telephone system to the sirrix card?
No, telephone system installations usually have an own power supply.
What is a TE-port , what is a NT-port?
TE stands for terminal endpoint. This means that the port behaves like a telephone or ISDN card, thus intended to be connected to the public net or a superior telephone installation.
NT stands for network termination. You can connect other end devices to a NT-port.
TE-ports are also known as "extern S0", NT-Ports are also known as "intern S0". On a S0-bus exactly one NT must be connected. Depending on the configuration (PtP or PtMP) you can connect one or more TEs.
If you configure a port in TE mode you need to use a crossed cable. In order to connect end devices to a NT-port you need standard 1:1 cables.
What does st='ST_L2_70_MULTIPLE_FRAME_ESTABLISHED_NORMAL' or similar output of srx show layers stand for?
These are states which are described in the ISDN specification. For example ST_L2 stands for layer 2. ST_L1 for layer 1 and so on. The respective standards are:
Layer 1: ITU-T I.430 / ETSI EN 300 012-1
Layer 2 and 3: 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
The European standards can be downloaded for free at the website of the European Telecommunications Standards Institute (ETSI)
How do I proceed to update the driver?
The driver must be unloaded. This can be done by running (in sirrix-pci directory) "rmmod sirrix_bch sirrix_pfic sirrix_base" or "make unload".
Before that, Asterisk needs to be shut down or at least the Sirrix-channel needs to be unloaded with the Asterisk CLI command "unload chan_sirrix". Asterisk doesn't need to be recompiled.
Which is the newest LibPRI / Zaptel version working with the Sirrix.PCI4S0?
The Sirrix.PCI4S0 driver does neither need LibPRI nor Zaptel.
Is the system working immediately after installation of the card and a restart of the system?
No, the Kernel doesn't load the driver automatically. The driver must be loaded before Asterisk is started. The following commands need to be executed to load the driver:
modprobe sirrix_base
modprobe sirrix_pfic
modprobe sirrix_bch
How can I get information about the configuration of ports and instantiated ISDN layers in Asterisk?
The command "srx show layers" (at Asterisk CLI) shows information about the configuration of ports and instantiated ISDN layers. Example: port mode (NT/TE), PtP setting (ptp=1/0), port activated? (act=1/0). Further information can be found in README.config.
Do you maintain a mailing list regarding news and updates?
Our customers are automatically provided with news and driver updates.
How is the linking between channel driver and kernel modules?
For providing correct functionality, the Asterisk channel driver needs the corresponding kernel modules to be loaded. You always should use kernel modules and channel driver from the same package.
Where can I find drivers for the Sirrix-PCI-card?
The drivers can be requested from our support team by e-mail: support (at) sirrix (dot) com
Which kernel modules do I need?
Sirrix kernel modules:
- sirrix_base
framework for Sirrix ISDN hardware (/dev/sirrix/base) - sirrix_pfic (depends on sirrix_base)
hardware dependent driver for the Sirrix.PCI4S0 - sirrix_pfec (depends on sirrix_base)
hardware dependent driver for the Sirrix.PCI2E1 - sirrix_bch (depends on sirrix_base)
driver for B-channel access (/dev/sirrix/bch) - sirrix_dchmon (depends on sirrix_base)
optional interface driver for the ISDN D-Channel Analyser (/dev/sirrix/dchmon); not needed for Asterisk.
You can find more Information in the README.install and README.config files in the driver package.
Knowledge
Sirrix.PCI ISDN Card
