DD Form 2490-7 occupies a particular place in Defense recordkeeping. Its title is DD 2490-7, Network Planning and Configuration Data - Modem/Clock Strapping. This form has not been set up to work with a text-to-speech reader. Contact the DoD Forms Manager for further details if this access is required., and it exists to Network Planning and Configuration Data - Modem/Clock Strapping. What the DD prefix records is an administrative judgment made long before your copy was printed: this transaction was determined to be common to the whole Department rather than peculiar to one service, and so the documentation of it was standardized at Department level.
The practical effect of Department-level issue is interoperability. not stated establishes the requirement across the Defense enterprise; not stated keeps the document current for all of it. No service maintains its own variant, which means a completed record travels between components — service to agency, agency to joint command — and arrives in a format the receiving office already knows how to read.
The edition in force is not stated, carried by the publisher as not stated, and edition discipline is stricter on a Department form than most people expect, precisely because supersession happens everywhere at once. There is no interval during which one service still works from the previous layout while another has moved on.
The sequence printed on the form is the sequence in which a reviewer will read it, and the two should agree. Header data frames every entry below it; the substantive fields depend on that frame; the certification stands at the end because its whole function is to vouch for what came before. Entries made out of sequence commonly contradict entries made earlier.
Check the edition date before you type anything, against not stated. Old blanks accumulate in shared drives for years, and the cost of one is not obvious until a reviewer cannot find a field. Because DD forms are revised centrally and replaced across the Department in a single action, there is no component still tolerating the old layout as a local practice.
Fill all of it, marking inapplicable items N/A. A record with gaps cannot later demonstrate whether the gap was a decision or an oversight, which is exactly the ambiguity documentation exists to remove. Dates go in the form's own format — on a document that crosses service lines, an ambiguous date is a real hazard rather than a pedantic one.
Where the form collects personal identifiers, a Privacy Act Statement accompanies it, and its placement is meaningful. The statute requires disclosure at the point of collection — authority, purpose, routine uses, and the consequence of declining — so that the person supplying the information does so knowing what becomes of it. Reading it after you have filled the fields inverts the arrangement entirely.
Signature is the point at which a completed form becomes a certification, and the requirement follows from that. On paper it means ink in the designated block; electronically it means a credentialed digital signature, ordinarily applied with a Common Access Card in software that supports it. A name typed into the signature field is data, not an act — it demonstrates nothing about who entered it. The date beside the signature fixes when the certification was made, which is why a signed but undated block is treated as incomplete.
Recurring defects have a pattern to them, and it is mostly the pattern of a record that cannot be relied on: an edition that does not match, gaps that cannot be interpreted, entries that cannot be read after scanning, dates that could mean two things, and a certification nobody executed. For an ambiguous field, read the form's own instruction, then not stated, which controls.
Download the form
What you can download: PDF. The form runs 1 pages and asks for approximately 200 entries. The plurality of formats is deliberate: Defense distribution has never been able to assume one operating environment across the whole force.
The difference between a fillable and a printable pdf is a difference in what the file contains. A fillable release carries an interactive layer: each box is a defined field with a name and a data type, and what you type is stored as data inside the document. A printable release has no such layer — it is an image of the page, and the only place your answers can go is onto paper. The distinction matters downstream, because a Department record often gets scanned and forwarded several times before it reaches its final file, and typed characters survive that chain in a way pen strokes do not.
The xfdl file is a survival from an earlier phase of Defense form automation. Xfdl is the IBM Lotus Forms format, and for a long period it was the Department's standard for electronic forms — fielded broadly enough that it still appears in distribution sets today. It opens in IBM Lotus Forms Viewer or a compatible client and nowhere else; a pdf reader will report it as damaged, which is not a fault in the file.
Every format is free, as published government documents are. A note on tools, though — the interactive field layer that makes a fillable pdf useful is precisely the part browser viewers handle least reliably. Save the file, open it in a full pdf reader, and the fields behave as the form's designer intended.
What the form asks for
- Press this Reset button to clear the data from all fields.
The completed form goes to the office named in not stated or in local implementing procedure, and it is worth keeping a copy before it goes. On a Department form the destination is frequently outside your own chain — another service, a defense agency, a joint staff — and recovering a document that has crossed an organizational boundary is a slower business than retrieving one from a file down the hall.
Forms referenced inside this one are located by number alone, and that simplicity is a direct product of Department-level numbering. Because the DD sequence is maintained centrally and not duplicated by service, a number is a complete address: one number, one document, throughout the Defense establishment.
Where a service form is cited in the same instruction, the two numbering systems should not be read across. DA numbering belongs to the Army and is administered by an Army proponent; DD numbering belongs to the Department and is administered by not stated or an equivalent Department office. The systems developed separately and were never harmonized, so identical digits in each identify two documents with nothing in common. The prefix, not the number, tells you which system you are in.
Understanding why editions change explains why checking them is not optional. Revision follows directive reissue, changes in what data is required, and amendments to mandatory notice text — decisions made at Department level and communicated through publication rather than notification. The file you saved does not update itself, so the edition date at download is what you rely on.
The role of this page is narrow and worth stating plainly. It makes a published Defense form available and explains its structure. It does not advise, does not interpret policy for your circumstances, and cannot indicate how any office will treat a completed copy — those judgments rest with the authorities that own the process. Direct such questions to not stated, to the administrative office that services you, or to the authority named in not stated.
Questions and answers
- What is DD Form 2490-7?
- DD 2490-7, Network Planning and Configuration Data - Modem/Clock Strapping. This form has not been set up to work with a text-to-speech reader. Contact the DoD Forms Manager for further details if this access is required.
- Which edition is current?
- Not stated by the publisher
- Who is responsible for this form?
- Not stated
- In which formats can it be downloaded?