However, there is no guarantee that interference will not occur in a particular installation. If the Model 1184 or 1185 do cause interference to radio or television reception, which can be determined by...
LED status indicators monitor interface data and control signals as well as test mode status. Available with options for AC or DC power supply, the Models 1184 and 1185 conveniently fit in a wide range of applications and power supply environments.
1 2 3 4 5 6 7 8 Figure 2. Close Up of Configuration Switches *NOTE: Both Models 1184 and 1185 use Switches S1-S4 to set the async or sync data rate. Refer to the sections below to set the Model 1184 or 1185 rates.
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1.5 (2.4) 256.0 1.5 (2.4) Switches S1-5 and S1-6: Clock Source Switches S1-5 and S1-6 are set in combination to determine Model 1184 and 1185 transmit clock source. S1-5 Async Settings NOTE: Because communication between two Model 1185s is always synchronous, you must set these switches whether your Sync application is async or sync.
4.0 INSTALLATION Once the Model 1184 or 1185 is properly configured, it is ready to connect to the fiber interface, to the serial port, and to the power source. This section tells you how to make these connections. 4.1 CONNECTION TO THE FIBER INTERFACE The Model 1184 supports communication between two terminal equipment at distances to 3 miles (4.8km) and data rates to 128 kbps...
1184/1185. 3) While keeping the module’s faceplate parallel with the Model 1184/1185 rear panel, slide the module straight in–so that the card edge contacts line up with the socket inside the chassis. NOTE: The card edge connector should meet the socket when it is almost all the way into the chassis.
LED status monitors, and using the built-in loopback tests. 5.1 POWER-UP To apply power to the Model 1184/1185, first be sure that you have read Section 4.3, and that the unit is connected to the appropriate power source. Then power-up the unit using the rear power switch.
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The Local Analog Loopback (LAL) test checks the operation of the local Model 1184 or 1185 and is performed separately on each unit. Any data sent to the local Model 1184/1185 in this test mode will be echoed (returned) back to the user device. (See Figure 7, below). For example, characters typed on the keyboard of a terminal will appear on the terminal screen.
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