Connecting Modems
1. Insert the modems into the PCX.
a. If you have the PCXS, connect the modems as shown below. The PSTN modem should be
located at the bottom (closest to the base). The GPRS, LAN and Wi-Fi modems should be
located at the top.
b. If you have the PCXL, connect the modems as shown below. The PSTN modem should be
located underneath the PCX PCB. The GPRS, LAN and Wi-Fi modems should be located to
the left of the PCX PCB.
2. Connect the modems to the control panel.
You can only connect the PSTNmodem to the left modem port on the panel's PCB.
►
For more information, see the user documentation for the modem
PSTN Modem (DIGI-1200)
The PSTN modem card is used to enable the PCX to communicate either via contact ID or SIA.
Before making these connections, all power must be disconnected from the system.
28 PCX Installation Guide 102017852 - V01
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