Leviton 5R1UL-F03 500i SDX 1U RMS Flush Mount Fiber Distribution and Splice Enclosure
Fiber, organized in one rack unit.
A 1U flush-mount rack enclosure for fiber distribution and splicing. It accepts up to (3) SDX adapter plates or SDX MTP cassettes to patch up to 72 LC fibers per RU.

Fiber gets messy fast in a crowded rack.
Moves, adds and changes are routine, and loose fiber is hard to route and easy to disturb. An enclosure with built-in routing and full back access keeps the work manageable.
Built for easy fiber changes
The Opt-X 500i enclosure is designed to make routing, access and changes simpler.
Flush-mount bulkhead
The flush-mount adapter bulkhead makes moves, adds, and changes easy.

LC fibers per RU
Accepts up to (3) SDX adapter plates or SDX MTP cassettes.
Stackable fiber rings
Stackable fiber rings simplify cable routing and organization.
Removable one-piece cover
The one-piece removable cover gives complete accessibility to the back of the enclosure and protects fibers.
Steel construction
Built of 16-gauge steel, powder-coated black.
Everything you need to know.
| Brand | Leviton |
| Model | 5R1UL-F03 |
| Product Line | Opt-X |
| Product Series | 500i |
| Product Type | Rack Mount Enclosure |
| Form Factor | Rack Mount |
| Height | 1.70" |
| Width | 19.00" |
| Rack Width | 19.0" |
| Material | Steel |
| Color | Black |
| Country of Origin | MX |
Leviton 5R1UL-F03 500i SDX 1U RMS Flush Mount Fiber Distribution and Splice Enclosure
A 1U flush-mount rack enclosure for fiber distribution and splicing. It accepts up to (3) SDX adapter plates or SDX MTP cassettes to patch up to 72 LC fibers per RU.
Moves, adds and changes are routine, and loose fiber is hard to route and easy to disturb. An enclosure with built-in routing and full back access keeps the work manageable.
Key features
- Flush-mount bulkhead: The flush-mount adapter bulkhead makes moves, adds, and changes easy.
- Stackable fiber rings: Stackable fiber rings simplify cable routing and organization.
- Removable one-piece cover: The one-piece removable cover gives complete accessibility to the back of the enclosure and protects fibers.
- Steel construction: Built of 16-gauge steel, powder-coated black.
In the box
- Opt-X 500i Rack Mount Enclosure
- Cable Ties
- Mounting Ear Screws
- ID Label
Good to know: The add-on patch cord cable management tray and the HDX conversion bracket are sold separately. The enclosure ships empty.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

Leviton 5R1UL-F03, ready to order.
- Opt-X 500i Rack Mount Enclosure
- Cable Ties
- Mounting Ear Screws
- ID Label
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