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How to build a Sangoma A200 / A400 Analog Board

General Information

The A200 and A400 are modulor PCI or PCI Express boards from Sangoma. The A200 is a half-length board and the A400 is full-length. Each board can be constructed and expanded by adding addtional modules as described below.

Terminology:

Sangoma Base Board = The main Sangoma card that plugs into your server's PCI or PCI Express slot. For example: A200, A200D, A400E, A400DE
FXS Module = FXS modules provide internal extensions for connecting to analog phones or fax machines. Each Sangoma module supports two lines.
FXO Module = FXO modules accept a phone lines from the phone company. Each Sangoma module supports two lines.
Echo-cancellation Module = Performs echo cancellation on the Sangoma board thus reducing CPU load. The hardware echo cancellation module can be included by selecting the appropriate base board. It can NOT be added to a non echo-cancelling base board.
Remora = A Sangoma Remora board is the card that accepts FXO or FXS modules. The base board contains a single remora board but additional ones may be added to expand the number of modules an A200 or A400 can accept.
Backplane = The backplane connects multiple Remora boards. Sangoma backplanes come in different sizes to accept different numbers of Remora boards.
A properly constructed board will consist of:

1. A200 or A400 base board
2. FXS and / or FXO modules
3. Additional Remora(s) (OPTIONAL)
4. Backplane (OPTIONAL)

How to build a Sangoma A200 board

Each Sangoma A200 Remora can accept up to two FXS or FXO modules (4 ports). Multiple Remora boards may be chained together to create a system capable of accepting up to 12 FXS or FXO modules (24 ports). Please see the following flash presentation for more information:

Sangoma A200 Base Boards:

A200 = Universal (3.3v and 5v) PCI
A200E = Universal (3.3v and 5v) PCI with hardware echo-cancellation
A200X = PCI Express
A200XE = PCI Express with hardware echo-cancellation
Steps to build a A200 board:

1. Select the appropriate A200 base board based on your server / application requirements.
2. Determine the required number of FXS and FXO modules. Remember: Each module supports two ports
3. If more than two FXS or FXO modules are required, determine the number of additional Remora boards needed. Remember: Each additional Remora supports up to two modules, just like the base board.
4. If adding additonal Remoras, include a backplane with an appropriate number of slots to accept all the needed boards. Remember: Each Remora (including the base board) needs to plug into the backplane.

How to build a Sangoma A400 board

Each Sangoma A400 Remora can accept up to six FXS or FXO modules (12 ports). Multiple Remora boards may be chained together to create a system capable of accepting up to 12 FXS or FXO modules (24 ports). Please see the following flash presentation for more information:

Sangoma A400 Base Boards:

A400 = Universal (3.3v and 5v) PCI
A400E = Universal (3.3v and 5v) PCI with hardware echo-cancellation
A400X = PCI Express
A400XE = PCI Express with hardware echo-cancellation
Steps to build a A400 board:

1. Select the appropriate A400 base board based on your server / application requirements.
2. Determine the required number of FXS and FXO modules. Remember: Each module supports two ports
3. If more than six FXS or FXO modules are required, an additional A400 Remora will be required. Remember: The additional Remora supports up to six modules, just like the base board.
4. The required two-port backplane comes with the additonal A400 Remora. You do not need to add it to the order.

Wow, this is really confusing. How do I get help?


If you require assistance constructing your Sangoma board (or would like to confirm your selection), please contact Telephony Depot Sales. The contact information can be found at the bottom of each page on telephonydepot.com