Fiber Optic Distribution Frame (ODF)

An ODF (optical distribution frame) is the enclosure where incoming fiber cable is terminated, spliced and presented as patchable ports. Feeder fiber enters, the bare cores are fusion-spliced to pigtails, the pigtails seat into adapter positions on the front panel, and patch cords take the signal onward to switches, OLTs or transport gear. Every managed fiber network needs one at each aggregation point. DAD LINK brands and supplies ODF enclosures across Iraq, from Erbil to Baghdad, Sulaymaniyah and Duhok, in 12, 24 and 48 core capacities.

DAD LINK 19" 12 Core ODF Rack Mount Enclosure SC & LC

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Fiber Optic Distribution Frame (ODF)

DAD LINK 19" 24 Core ODF Rack Mount Enclosure SC & LC

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Fiber Optic Distribution Frame (ODF)

DAD LINK 19" 48 Core ODF Rack Mount Enclosure SC & LC

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Fiber Optic Distribution Frame (ODF)

DAD LINK 12 Core Din Rail ODF Enclosure SC

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Fiber Optic Distribution Frame (ODF)

DAD LINK 24 Core Din Rail ODF Enclosure SC & LC

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How to choose an ODF

Mounting first. If the fiber lands in a 19 inch rack or a network cabinet, use a rack mount frame. If it lands in a telecom cabinet, an industrial control panel, a street enclosure or a small wall box where no 19 inch rack exists, use a DIN rail enclosure that clips onto a standard 35 mm rail.
Core count, sized for growth not for today. Fiber is installed once and lit progressively. A frame that is exactly full on commissioning day forces a second enclosure at the first expansion. 12 core suits a building riser, a branch office or a single ISP handoff. 24 core is the workhorse for campus backbones and mid-size aggregation. 48 core is for head-ends, meet-me rows and campus cores.
Adaptor type. SC is still dominant on Iraqi ODF ports and FTTH plant. LC doubles the port density for the same panel width and matches modern SFP optics. Most DAD LINK frames accept both.
Count the consumables with the frame. An ODF ships as an enclosure. Populating it means one pigtail and one adaptor position per core, plus patch cords on the front.

ODF range

Enclosure	Mounting	Capacity	Adaptors	Fiber supported
19 inch 12 Core ODF	19 inch rack or cabinet	Up to 12 cores	SC and LC	Single mode OS2 and multimode OM
19 inch 24 Core ODF	19 inch rack or cabinet	Up to 24 cores	SC and LC	Single mode OS2 and multimode OM
19 inch 48 Core ODF	19 inch rack or cabinet	Up to 48 cores	SC and LC	Single mode OS2 and multimode OM
12 Core DIN Rail ODF	Standard 35 mm DIN rail	Up to 12 cores	SC	Single mode OS2 and multimode OM
24 Core DIN Rail ODF	Standard 35 mm DIN rail	Up to 24 cores	SC and LC	Single mode OS2 and multimode OM

All five enclosures perform the same three functions: termination, fusion splicing and patching, with splice trays and cable routing that hold every core inside its bend radius.

Where ODF frames are used in Iraq

ISP aggregation and head-ends. 48 core frames where feeder routes converge, 24 core at neighbourhood nodes, DIN rail enclosures inside street cabinets that cannot host a rack.
Government ministry and bank server rooms. A 19 inch frame at the top of the rack terminating the inter-building single mode backbone.
University and hospital campuses in Erbil, Sulaymaniyah and Duhok. One frame per building, sized 12 or 24 core, feeding the local switch stack.
Industrial and utility sites. DIN rail ODF inside existing control panels, where a 19 inch rack was never part of the design.

Populate the frame with fiber pigtails and SC and LC adaptors, then patch out with fiber patch cords. For last-mile termination at the building instead of the rack, see FTTH boxes, and for the cabinet itself see Racks.

For core-count sizing, project quantities or a full ODF bill of materials anywhere in Iraq, contact a DAD LINK authorized distributor.