Chapter 6: Using the Web Interface136To configure the analog modem settings:1. Click the Analog Modem tab.2. Select the "Answer incoming calls" checkbox to enable the remoteaccess via a modem. Otherwise, deselect this checkbox.3. Specify the number of rings the EMX must wait before answering thecall. You can either type a value or click the Up/Down arrow keys toadjust the value in the "Number of rings until answering" field.To configure the GSM modem settings:1. Click the GSM Modem tab.2. Enter the SIM PIN.3. Select 'Use custom SMS center number' if a custom SMS will beused.4. Enter the SMS center number in the SMS Center field.5. Click Advanced Information to show information.6. Enter the number of the recipient's phone in the Recipients Phonefield, then click Send SMS Test to send a test SMS message.Setting the Cascading ModeA maximum of eight EMX devices can be cascaded using USB cablesand therefore share only one Ethernet connection. See Cascading theEMX via USB (on page 22).The Ethernet sharing mode applied to the USB-cascading configurationis either network bridging or port forwarding. This mode is determined bythe master device. See Overview of the Cascading Modes (on page138).Only the Admin user or a user with the Administrator Privilegespermission can configure the cascading mode.To apply the "Port Forwarding" cascading mode, all cascaded EMXdevices must be upgraded to version 2.5.20 or later, or those devices notsupporting the "Port Forwarding" mode cannot be accessed over thenetwork. See Updating the EMX Firmware (on page 291).Note: The EMX in the Port Forwarding mode does not support APIPA.See APIPA and Link-Local Addressing (on page 4).To configure the cascading mode:1. Log in to the master device's web interface.2. Choose Device Settings > USB Cascading. The USB CascadingConfiguration dialog appears.
