The SBC

Base Models

The beroNet Session Border Controller has 3 different Base Models:

The BNSBC-M has 2 expansion module slots and the BNSBC-L and BNSBC-XL have 3 expansion module slots. For each module, a block of 4xRJ45 connectors are installed. What kind of modules can be installed is described in the next chapter.

The back side of the SBCs are the same for all models (except that the BNSBC-L and BNSBC-XL are a bit wider compared to the BNSBC-M): 

The SBC features

• 2x LAN ports (LAN and WAN)
• PCM connector, which can be used to connect 2 SBCs to share PSTN data and timing and to perform a hardware factory reset with a jumper on the 8th row.
  See more under How to do a Hardware Factory Reset (Gateway V2 / SBC - VoIP Gateway) Page.
• MicroSD slot which is currently not used and a 12V DC power connector (24W maximum usage). 

Opening the SBC

If you need to open the SBC in order to add/remove expansion modules, you need to detach the front panel with 4 screws and remove the top panel as shown in the picture: 

You can see the 3 module slots and corresponding 3 module connectors. 

Modules

All Modules that fit in the beroNet Gateway and Card can also be used in the beroNet SBC:

• Hybrid: 2BRI + 2FXS (BNMO-2HYB)
• Analog: 4FXS / 8FXS / 4FXO 
• Mobile: 2GSM / 2LTE

• ISDN (high precision +- 2.5PPM): 4BRI / 2PRI (E1/T1) / 1PRI (E1/T1) / 1E1 / 2E1

  Starting in 2021, the 1E1 and 2E1 modules are also equipped with a high precision clock. 

Module Connectors

Depending on the Module different Connectors are used within the Gateway:

Connector Port Layouts

The following schema shows which module port is located on each connector port respectively:

Module Connector Pin Layouts

BNMO-4BRI (4x BRI/ISDN)

The BNMO-4BRI module has 4 ISDN/BRI ports. The module can be configured individually for each port to NT (Network Termination) or TE (Terminal Equipment) mode.
In either mode the module supports Point-To-Multi-Point (PMP) or Point-To-Point (PTP). The TE/NT mode as well as the line-termination of 100 OHMs are selectable via software (jumper free).

BNMO-4FXS (4 ports analog FXS)

The BNMO-4FXS module is a 4 port FXS module for the beroNet baseboards and boxes. The BF4FXS module is used by small and medium enterprises which need internal analog FXS ports to connect analog phones, faxes and modems.