![](/images/new-backgrounds/1174825/17482515x1.webp)
Procedure
1.Select a Slot for Installation.
Although the 4000E is factory shipped with Slot 1 open, interface modules may be installed in any slot,
2.Align the interface module with the slot module guides. With the interface module PCB facing up and the interface module model name on the right side of the module faceplate (facing towards you), align the left and right edges of the PCB with the slot module guides of the chosen slot on the 4000E.
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3.6lide the interface module fFirmly into the chassis. Tighten the fastening screws on the interface module faceplate.
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8 | February 2005 |