Some embodiments are directed to a patch panel including a frame, at least one plug-in module including connectors, arranged in such a way as to slide between a pushed-in position in which the plug-in module is placed in a housing in the frame and an extracted position in which the plug-in module is outside the housing, the panel further including a device for attaching the plug-in module to the frame, the attachment device including: at least one flexible elongate body arranged in such a way as to slide with respect to the frame and/or to the plug-in module; a first end designed to attach the plug-in module to the attachment device when the plug-in module is in the extracted position; and a second end designed to attached the attachment device to the frame when the plug-in module is in the extracted position.