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Device types, units, models, setup guides, standards, IT stores and cables. This demo has the Assets module switched off in Organisation settings.
StandardRacks and comms roomsVersion 1.0
Version 1.0, in force since 1 Mar 2026 · 10 rules that must be met
10 rules every install follows, in the order of this page. 2 more rules are the default with a written exception.
There is no standard rack. The rack, the switches and the UPS are worked out from the rooms the comms room serves: count the outlets from the space types, add the access points and building systems, add headroom, then choose the kit. The worked example shows the sum. Keia Atlas's typical rack layouts are examples of the result, not templates.
Work down this list for every comms room. Write the numbers in the design; Keia Atlas's rack layouts are drawn from them.
| What | Counted from | Ports | PoE budget |
|---|---|---|---|
| Desk and wall outlets | Space types' data outlets: 120 desks, 22 wall outlets | 142 | 0 W (desks use their own power) |
| Meeting room devices | Space types: 14 rooms, 3 PoE devices each (video bar, touch controller, booking panel) | 42 | 14 x (25.5 + 13 + 13) = 721 W |
| Wi-Fi access points | Wi-Fi standard: 8 access points on this floor | 8 | 8 x 25.5 = 204 W |
| Building systems | Door access, sensors and cameras on the floor plan | 10 | 10 x 13 = 130 W |
| Subtotal | 202 | 1,055 W | |
| With headroom | Ports +25%, PoE +20% | 253 ports: six 48-port switches | 1,266 W across the switches |
PoE is counted at the class limit of each device, not its typical draw. Uplinks, management and console ports are extra.
Count the data outlets the comms room serves from the space types of every room it feeds, plus the access points, building systems and spare outlets on the floor plan.
Provide at least 25% more switch ports than the count, and at least one spare 48-port patch panel's worth of rack space.
Add up the PoE class limit of every powered device on each switch, then choose switches whose PoE budget is at least 20% above that total.
Source IEEE 802.3bt
Leave at least a quarter of the rack's units empty at handover, fitted with blanking panels.
Source ASHRAE TC 9.9
Use a 19-inch four-post rack, 42 or 45 units high, 800 mm wide where there are more than 48 patched ports, and at least 1000 mm deep.
Source EIA-310-E
Fit a 1U horizontal cable manager above or below every patch panel and vertical managers on both sides.
Use the shortest stocked patch cord that reaches with a gentle loop, and no coils behind managers.
Put the heaviest kit (UPS, batteries) at the bottom, patch panels and access switches in the middle alternating panel and switch, and fibre panels at the top.
Keep at least 1 m clear in front of and 0.6 m behind every rack, and do not store anything in the comms room.
Source ANSI/TIA-569-E
Keep the air at the front of the racks between 18 and 27 degrees C, with cooling that runs all year and all night.
Source ASHRAE TC 9.9
Lock the comms room on the building's access control, with entries logged.
Bond every rack to the room's telecommunications earthing busbar.
Source ANSI/TIA-607-D
Type the way you would ask a colleague. Keia Atlas picks out what you want, where, which model and which status, and shows each as a chip you can remove or change.