- Open design offers unrestricted airflow - Large cable exit holes on back surface - Keyhole mounting slots on 16-in. centers accommodate up to 3/8- in. dia. mounting fasteners (not supplied) - Heavy duty hinges are welded to frame - Hinge provided for every two rack unit spacing - One rack unit model has half-size hinge - Provides access to rear of equipment - 12-24 rack mounting screws (package of 20) included with assembly - Wall mounting hardware not included