B400P/BE400P on DAHDI User Manual
OpenVox Communication Co. LTD.
URL: www.openvox.cn
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this kind of PC, it is need to set the jumper to 3.3V.
PCM IN/PCM OUT
The above point is applied to connect two BRI cards.
OpenVox
B400P
Termination of S/T Interface (100 ohm)
Connect: Termination = ON
Open: Termination = OFF
Power Supply Selection
4-PIN 12V Input
Voltage Port
NT/TE Settings
NT mode TE mode
PCM OUT
PCM IN
Power Feeding Connector
Connect: Power feeding to
feed S/T interface enable
Open: Power feeding to feed
S/T interface disable
Set Card ID
SW1
SW2
SW3
SW4
0
1
2
3
ID
SW
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
……
……
……
……
……
Figure 3 Jumper setting
2.7 Hardware setup procedure
Power off your PC, remember to unplug the AC power cable
Set card ID as previously stated if there is more than one BRI card.
Insert B400P/BE400P into a 3.3V or 5.0V PCI slot vertically
