61200307L1-19B T1 Network Interface Module Installation Instructions 1 of 1Installation InstructionsT1 Network Interface ModuleP/N 1200307L1Installing the T1 Network Interface ModuleFigure 1 represents the actions required for proper placement of the T1 Network Interface Module. Performthe following steps to install the network module:1. Remove the cover plate from the appropriate Network slot.2. Slide the T1 Network Interface Module into the ATLAS 550 chassis until the module is firmly seatedin the ATLAS 550 unit.3. Fasten the thumbscrews at both edges of the network module. Tighten with a screwdriver.4. Connect the cable to the associated device.5. Complete the installation of any remaining modules and the Base Unit as specified in the Installationchapter of the ATLAS 550 User Manual.Figure 1. Installing the T1 Network Interface ModuleSee the ATLAS 550 User Manual for operation, configuration, and detailed specifications on the T1 NetworkInterface Module (ADTRAN P/N 1200307L1).WARNING: Option modules are intended to be serviced by qualified service personnel only.NETWORK 22 4ETHERNETCONTROLIN OUTRELAY ALARMO IFUSE RATING: 2A/250V SLO-BLO90-240VAC, 2A, 50/60HzNC NOCOM GNDALL EMPTY SLOTS MUST BECOVERED WITH BLANK PANELSCAUTION: FOR CONTINUED PROTECTIONAGAINST RISK OF FIRE, REPLACE ONLYWITH SAME TYPE AND RATING OF FUSE.MONRemove Cover PlateIONETWORK INOUTINOUTNETWORK MONT1 NETWORK MODULE TEST 500 SeriesInstall ModuleNETWORK 1April 200061200307L1-19B