Ascotel® IntelliGate® 150/300 as of I7.9Operation and Maintenance 173syd-0210/1.7 – I7.9 – 12.20096. 3. 4 System modulesThe system module category includes the DSP cards SM-DSP1 and SM-DSP2, whichare equipped on slot SM1, and the LAN Switch Module SM-LAN8, which isequipped in two adjacent wiring adapter slots.6. 3. 4. 1 Change Defective DSP Module1. Carry out preparations (see "Preparations", page 167).2. Remove the housing cover.3. Remove the defective module by loosening the fastening screw and carefullypulling the module out vertically of the module slot.Note:If multiple modules are equipped and the defective card is not top-most, the spacing sleeves have to be loosened and the modulespulled. The order of the modules on the slot is relevant only if differenttypes of modules are equipped.4. Press the new module downward evenly on both connectors to the stop.5. Secure the module with the fastening screw.6. Fit the housing cover.7. Reconnect the system to the power supply.6. 3. 4. 2 Change a defective LAN switch module1. Carry out preparations (see "Preparations", page 167).2. Remove the housing cover.3. Carefully pull the defective module vertically out of the two slots.4. Fit the new module onto the same two slots WA0...WA4 and press it down evenlyas far as the stop.5. Fit the housing cover.6. Reconnect the system to the power supply.
