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724-746-5500 | blackbox.com
Page 13
Chapter 2: Overview
Table 2-5. Failover support.
Model
Failover support
IPBX424
FX2 is connected to FXO1.
IPBX1224
FXS2 us connected to FXO9.
FXO ports
The FXO ports are used to connect the Hybrid PBX and VoIP Gateway to analog phone lines. Support varies by model as follows:
.
Table 2-6. Number of FXO ports supported.
Model
FXO ports
IPBX424
4
IPBX1224
12