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(Tests for the ISDN terminal adapter are described in the ISDN Terminal Adapter Owner’s Manual.) Diagnostics 1 - Loop Test 2 - Memory Test 3 - Watch Dog Test 4 - Dip Switch Definitions and Settings 5 - Product and Firmware ID M - Main Menu P - Previous Menu Selection : _ The Loop Test option checks the operation of the local unit. When this option is selected, a loop test menu is displayed. See “Loop Tests” in section 6.5.1. The Memory Test option checks the on-board memory. When this option is selected, a warning message is displayed. The memory test will destroy all stored configurations. See “Diagnostic Testing” in section 7.12. The Watch Dog Test option verifies the watch dog timer circuitry. A message is displayed that the test will reset the unit. See “Diagnostic Testing” in section 7.12. The Dip Switch Definitions and Settings option displays a screen that shows the definition of each switch and its current setting. The Product and Firmware ID option defines the product and its current firmware release version. DataTalker Owner’s Manual 6.5.1 Loop Tests The Loop Tests menu provides either a voice loopback or a composite link loopback that depends on the type of link device. Loop Tests 1 - Voice Loopback 2 - Composite Link Loopback M - Main Menu P - Previous Menu Selection : _ The following messages are displayed, depending on the loopback test. Voice Loopback Test Voice Loop Test. If you have one voice channel, it loops to itself. If you have two voice channels, voice channel 1 loops to voice channel 2. Hit any key to end the test. While the test is running, speak into the mouthpiece of the telephone connected to the DataTalker. If you hear your voice over the speaker, the circuit is okay. Internal DSU Test Your internal DSU is in loopback now. The DSU loops both local and remote. To loop data exit command mode. To end loopback, reset the unit. External Device Test To perform a composite link loopback test, put your external link device into loopback. Internal MMH2834 Test To perform a composite link loopback test, go into the composite link configuration menu and send the command AT&M1U to the modem. Wait for the “Connect” message, then enter q. After the q, you can exit command mode to loop data. To end loopback, reset the unit. Chapter 6 - Menus 6.6 Configure Remote Unit Configuration menu option 5 is dependent on the position of DIP switch SW-5. If DIP switch SW5 is in the Open (Up) position (MMV8/16/32), the configuration menu allows for the DataTalker to set parameters to communicate with with other MultiMux products (i.e., MMV800, MMV1600, or MMV3200 series). If the DIP switch is in the Down (Closed) position (Configure Remote Unit), the local unit can display and change the configuration of the remote unit. The default for this DIP switch is the Open (Up) position. When the position of DIP switch SW-5 is in the Down (Default) position, the Configuation menu appears as follows: Configurations 1 - Data Port Configuration 2 - Voice/Fax Channel(s) Configuration 3 - Composite Link Configuration 4 - Factory Default Configuration Options 5 - Configure Remote Unit S - Store All Configurations M - Main Menu P - Previous Menu Selection : _ When the composite link is established with the remote unit, option 5 is selected, and async mode is enabled, the remote unit’s Main menu appears on the local unit’s monitor. All menus that appear are from the remote unit. Any changes made affect the remote unit. 6.6.1 MMV8/16/32 Configuration Options When DIP switch SW-5 is in the Open (up) position, the Configuration menu appears as follows: Configurations 1 - Data Port Configuration 2 - Voice/Fax Channel(s) Configuration 3 - Composite Link Configuration 4 - Factory Default Configuration Options 5 - Configure Remote Unit S - Store All Configurations M - Main Menu P - Previous Menu Selection : _ If option 5 is selected, the MMV8/16/32 menu is displayed and the source and destination nodes and the source and destination channels can be selected. MMV8/16/32 Configurations Options 1 -Unit Source Node :00 2 -Data Destination Node :01 3 -Data Source Channel :01 4 -Data Destination Channel :01 5 -Voice/Fax Ch. 1 Dest. Node :01 6 -Voice/Fax Ch. 2 Dest. Node :01 S -Store All Configurations M -Main Menu P -Previous Menu Selection : _ DataTalker Owner’s Manual The Unit Source Node option specifies the node number of the local node. This number has to be unique and any number from 0 to 9. Remember that the node number will be used by other nodes. The Data Destination Node option specifies the node number of the remote node. This number has to be unique and any number from 0 to 9. The Data Source Channel option specifies the source channel to which the destination channel is communicating with. The Data Source Channel options are 1 or 2 and the default is 1. The Data Destination Channel option specifies the destination channel to which the source channel is communicating with. The Data Destination Channel options are 1 or 2 and...

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