Accessories for Patch Panels
Accessories for patch panels are mounting and organisational elements that tidy up cabling in rack cabinets, protect infrastructure from dust and overheating, and reduce servicing time. The following guide presents the available types of accessories and practical tips for selection in corporate environments.
Types of Accessories for Patch Panels
Patch panels are a fundamental element of structured cabling. Patch cables connect the ports of the patch panel to active devices such as switches or routers. To ensure reliable operation, additional accessories are needed for cable management, covering empty spaces, and mounting devices.
Fibre optic patch panels organise cables in telecommunications networks, and 19-inch patch panels typically occupy 1U, 2U, or 4U in a cabinet. Modular patch panels allow for the replacement of adapters without changing the housing, which increases the flexibility of the infrastructure. Wall-mounted patch panels are installed in locations without rack-type cabinets, while rack-mounted patch panels have a large capacity for telephone exchanges. The capacity of a patch panel is determined by the number of adapters per 1U or 2U.
Below, we discuss categories of accessories that complement patch panels and switches in daily operations.
Brush Panels and Cable Pass-Throughs
Brush panels are elements with a height of 1U or 2U (standard 19 inches), equipped with dense strips of nylon brushes. The brushes allow for the passage of cable bundles between the front and back of the cabinet while limiting dust ingress and mixing hot air with cold air.
Cable pass-throughs function similarly, but instead of brushes, they use open windows or rubber seals. The practical difference is that brushes allow for the easy addition and removal of cables without disassembling the panel, while pass-throughs with seals better isolate air zones. Panels with a full closed frame stabilise cable bundles from four sides; three-sided models are lighter and cheaper but provide less protection for the sides of the bundle.
Cable Organisers (Horizontal and Vertical)
Horizontal cable organisers have a cable pass-through for better organisation of patch cords between the patch panel and switch. They thus improve order in rack cabinets and reduce the time needed to identify connections.
Vertical organisers are mounted on the side of the frame; they are essential in cabinets with a height of 42–52U. The design combines a metal frame with plastic fingers or accordion doors, which facilitate access during servicing work.
Blanking Panels and Blanking Plugs
Blanking panels close unused U units in rack cabinets. Their main function is to prevent the mixing of hot air from the back of the cabinet with cold air from the front.
Port blanks protect unused sockets from dust. They are available in various versions: full metal in black, grey for light grey cabinets, and plastic versions with snap-on mounting.
Mounting Shelves
Mounting shelves are used for installing active devices, UPS power supplies, modems, and other equipment that does not have its own rack mounts. Available types include:
- Fixed shelves with a depth of 7 to 20 inches.
- Sliding shelves that facilitate access to devices mounted at a depth of 600–800 mm.
- Cantilever shelves with mounting only at the front.
- Vented shelves with perforation to support airflow.
Benefits of Using Cable Management Accessories
Professional cable organisation in rack cabinets translates into three measurable benefits:
- Infrastructure reliability – ring guides maintain the proper bend radius, preventing insulation breakage and transmission parameter degradation. The number of transmission errors decreases, and the need for cable replacement diminishes.
- Faster servicing – labelling allows technicians to quickly identify connections.
- Better cooling – blanks and brush panels limit bypass airflow.
The professional appearance of a cabinet with organised cabling influences the perception of the organisation during audits and client visits.
Manufacturers of Patch Panel Accessories
In the offer of Senetic, products from three main brands are available:
- Digitus – panels with 24 RJ-45 ports, keystone connectors, in shielded and unshielded versions.
- Fibrain – a Polish manufacturer with a wide range of patch panels, with label fields and cable guides.
- Intellinet – 2U patch panels with mounting on a standard 19-inch rack rail.
You can find the full range of patch panel accessories in this category.
Frequently Asked Questions
What is the difference between a brush panel and a cable organiser?
A brush panel is a horizontal element with a height of 1U or 2U that covers empty space in a rack cabinet with a strip of dense nylon brushes. Its main task is to serve as a cable pass-through between the front and back of the cabinet while protecting against dust and mixing air zones. A cable organiser is used for guiding and grouping cables; a horizontal organiser maintains the bend radius of patch cords, while a vertical organiser arranges bundles along the side of the frame.
How do you install a cable organiser in a rack cabinet?
Installation in rack cabinets is done using screws that secure the organiser to standard 19-inch rails. A 1U horizontal organiser is installed between the patch panel and switch; the depth of the organiser should correspond to the length of the longest patch cord with a margin for spare cable. Before installation, check that the organiser does not interfere with cable flow and does not violate the bend radius.
What size (U) organiser should I choose for my cabinet?
The basic rule: one horizontal organiser for each patch panel or switch. For standard installations with 24-port panels, a 1U organiser is sufficient. For a large number of cables or larger equipment (UPS power supplies, servers), 2U organisers are used, and vertical organisers are selected to match the full height of the cabinet (42–52U).
What is the purpose of a blanking panel in a server cabinet?
A blanking panel closes unused U units in a rack cabinet, preventing hot air from the back from entering the cold zone at the front. This improves cooling efficiency and reduces the load on air conditioning. The blank also provides an aesthetic, uniform front for the cabinet.