FILE NO. 

TO 

IFICATION (l/anf) 

DISPOSITION FORM UNCLASSIFIED 

I SU~ECTRequirements for Administrative Telephone 

System at Fort Meade 

FROM DATE COMMENT Nii. 1 

Chiefs of Staff Divisions COM 2 Dec 53 

and Offices Capt. A. End.erlin/60230/sml 

The purpose of this DF. is to determine our definitive requirements 

with respect to operation of the administrative "black" telephone system 

which will be· installed at.the new site. These requirements, when agreed 

upon, will form the basis for completing.technical planning of the system. 

It is not intended to review the number and placement of telephone instruments to be installed, but rather to determine what we expect to 

accomplish with these telephones, and the manner of their use. In order 

to facilitate this study there is inclosed herewith a specimen set of requirements which can be used as a guide for a complete new estimate, or 

with which you can concur without change, or to which you may suggest any 

amendments. Your considered reply is requested to reach COM not later than 

10 Dec 53. 

Incl: 

ARTHUR ENDERLIN 

=aptain, USN 

Tentative Requirements, Administrative 

"Black" Telephone System 

D D 1 ~~~M50 9 6 REPLACES NME FORM 96, I OCT •• WHICH MAY BE USED. 16--HSOl-8 II. I. GOVER .. EllT PRINTING Gl'FICI 

roved for Release b NS on 01-29-2014 ursuantto E .0. 1352 
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... 

REF ID:A72361 

TENT"ATIVE R&QUIREMENTS, ADMINISTRATIVE 

11BilCK11 TBLBPHONE 6Y6TIM · 

l. There shall be a private automatic .telephone exchange (bare• 

atter referred to as "PAX" for convenience) installed in the main 

building at the new ai te, Fort Meade. 

2. Thia "PAX" shall be under direct operational control of the 

Director. 

3. The. initial capacity shall be not less than ~00 lines, with ~n 

ultimate cape.city of 6oo lines. 

· ~. .There shB.11 be direct dial tie-lines between .the "PAX" and the 

following e~change s: 

Department of Defense (The Pentagon) 

Arlington Hall Station 

Naval Security Station 

Central Intelligence Agency 

Department of State 

Note: Direct dial tie-lines permit dialing directly fran an instrument 

in Fort Meade to an instrument connected to one of the above exchanges, provided the number is known, without t.he'neceesity at 

going through an operator. 

5. There shall be tie-lines between the "PAX'' and the interdepart ... mental dial system ( "government tandem code") • . ... Note: Thie perm.its dialing ·a code (see page v of the NSA telephone directory) to connect to any of the government switchboards in the area, 

but an operator will answer. 

6. All telephones connected to the . "PAX" shall have unrestricted 

dialing privileges on all the above tie-lines. 

7. Direct-dialing tie-lines shall be provided between the "PAX" 

and. the Fort Meade switchboard. IntercOllDllunication between ·stations on 

the two switchboards shall be unrestricted, but provision shall be made 

to prevent unauthorized toll dialing through the Fort Meade board by in· 

struments connected to the "P~~. 

8. Foreign exchange direct-dialing tie-lines shall be provided between the "PAX" and a washington exchange area exchange of the C&P Telephone Co. for the purpose of permitting calls to Washington telephones 

which are not included in the interdepartmental system. 

9. Direct-dialing toll trunks eh.all be provided between the "PAX" 

and such C&P toll switching centers as shall guarantee maximwn protection 
REF ID:A7236. 

Tentative Requirements, Administrative "Black" etc. (cont.) 

against prolonged service interruptions from any cause, through diversification. 

10, The "PAX" shall inc,lude means for restricting the dialing of 

calls through the foreign exchange lines and toll trUnks to such telephones as may be desigriated by the Director. The reason for this is that 

these calls.involve additional charges. 

11. Provision shall be made for operators' positions to provide I 

operator supervision of toll calls-made from restricted telephones, dire~-

tory service, interception of calls, etc. 

12 •. The princ.iple use of the ·system will be "for unclassified·telephonic 

·communication between NSA Fort Meade and various Federal activities in 

Washington. For planning purposes it may be assumed that: 

a. 801i of all calls will be between NSA and telephones in 

the interdepartmental dial system. 

b. 5~ of the calls will be between NSA and other telephones 

in the Washington exchange area, 

c. 51' of the calls will be between NSA and Fort Meade·. 

points. 

d. 51' of the calls will be bet~en NSA and other (long distance) 

e. An insignificant number of calls will be exchanged betlieen 

instruments in the "black" system, since its purpose is primarily .. to serve 

for communication between the Agency and outside points. · The "red" 

_system.is intended to meet almost all requirements for internal calls, both claasif~ed and uncJlssified. 

f. Requirements for personal calls will be met by 58 public 

telephone pay stations which will be installed in the building. 

13. T!ie "PAX" must include provision f~r making.tra~fic count~, and 

for monitor~ng of circuits for the purpose of making security checks. 

14. The decision as to whether the "PAX" should be government owned 

and operated or privately (C&P Tel. Co.) owned and operated under contract 

will depend upon the relative capabilities of "the two proposals to meet all 

requirements, and upon a cOJr.parison of amortized costs.!ll"""'"'There is no -- serious security objection against either proposal.~e related pro~lem ot 

• - providing technical maintenance for the "red II teltPione system Should not be 

·overlooked when considering the relative merits ot these two.proposals. It - the'"black" sys~em is maintained by the Telephone Co., should they be given 

a contract to maintain the "·red" system also7 ---- ----