• 1 19'' modular chassis for up to 4 / 6 / 12 / 18 modules on 1U or 8 / 12 / 24 / 36 modules on 2U;

• 1 metallic pivoting flap on the front panel for fibre identification and patch cord guiding;

• 1 removable metallic back tray, short or long, and its protective cover in option for anchoring pre-terminated or spliced cables.