2-Port FXS/2-Port FXO Mini-Physical Interface Module Overview
The 2-Port Foreign Exchange Station (FXS)/2-Port Foreign Exchange Office (FXO) Mini-Physical Interface Module (Mini-PIM) on the SRX Series Services Gateway provides analog lines and simultaneous calls on the public switched telephone network (PSTN).
The 2-Port FXS/2-Port FXO Mini-PIM allows for connectivity expansion on the media gateway to support additional users.
Figure 1 shows the 2-Port FXS/2-Port FXO Mini-PIM.
Figure 1: 2-Port FXS/2-Port FXO Mini-PIM
 | Note: The 2-Port FXS/2-Port FXO Mini-PIM can be used only with the SRX210 Services Gateway with Integrated Convergence Services; it cannot be used in standalone mode. |
| Note: The 2-Port FXS/2-Port FXO Mini-PIM does not support failover relay between any of the FXS and FXO ports. |
