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2-8 Hardware Description
Vanguard Daughtercards
1-Port FXS/FXO
Voice
The Vanguard 342 supports the FXS/FXO Daughtercard. This daughtercard supports
voice channel, using either an analog FXS or FXO interface. The 1-Port Voice
FXS/FXO Daughtercard provides RJ11 connectors for FXS and FXO Ports.
However, only one port can be active at a time.
Figure 2-5 shows the FXS/FXO Voice Daughtercard connectors as they appear on
the back panel.
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Figure 2-5. 1-port FXS/FXO Voice Daughtercard Connector
2-Port Voice FXS The Dual FXS Daughtercard provides two FXS interface ports and support one voice
channel each. The 2-Port Voice FXS Daughtercard has two RJ11 connectors for two
FXS Ports. The two ports can be used simultaneously and each port supports one
voice channel.
Figure 2-6 shows the 2 Port Voice FXS Daughtercard connectors as they appear on
the back panel.
Figure 2-6. 2-port FXS Daughtercard Connector
Note
Calls between two FXS ports within the same Vanguard 342 are not supported.
4-Port Voice FXS
Daughtercard
The Vanguard Quad FXS Daughter Card is supported on the Vanguard 342. The
4-Port Voice FXS Daughtercard has four RJ11 connectors for four FXS Ports.The
new software for this card is in release 6.0 and greater.
Figure 2-7 shows the 4-Port Voice FXS Daughtercard connectors as they appear on
the back panel.
Figure 2-7. FXS Daughtercard
FXS
FXO
LOC
REM
LOC
REM
FXS-1 FXS-212
FXS-1 FXS-2 FXS-3 FXS-4