Send COMSEC Keys/FH Data From ANCD to ANCD via STU (STU Task 1)

11-5820-890-10-8

Send COMSEC Keys/FH Data From ANCD to ANCD via STU (STU Task 1)

7.3c.

This task allow an NCS or communications specialist to send classified

DESCRIPTION

COMSEC keys (TEK and KEK) and FH data (hopsets, TSK, Net IDS)

from an ANCD at one location to one at another location, regardless of

distance, via commercial or military telephone circuits.

DETAILED FLOWCHARTS

SEND COMSEC KEYS/FH DATA FROM ANCD TO ANCD VIA STU

RESULTS

ACTIONS

SUBTASKS

(1) Contact receiver

a. Coordinate transfer by

N/A

STU

Proper STU keys; 2400 BPS;

(2) Coordinate transfer

PT/CT voice checked

preparations

(1) Turn ANCD ON

b. Prepare ANCD for STU

select:

transfer

Soi Radio Supervisor

Send Receive Database

(2) Enter RADIO

sEtup COMSEC Time

send to:

(3) Enter SEND

Radio Ancd Stu PC

Loadset* Database* Time**

(4) Enter STU

Key* Eset* Mwod***

System high is

(5) Enter Loadset/Database

or Eset as desired

(U)/(C)/(S)/(TS)

Press 1, then PgUp/

select: Loadset (example)

(1)

Select data to send

99lNDIVA.LST

PgDN to view item

(DI)

Connect to STU and press

Press ENTR to select

(2)

[SEND] (WAIT)****

data item

(Both STUs must be placed in

Ensure receiving station is

d. Send data by STU

(1)

ready for you to send

secure data mode)

transfer

Sending final data/

(2) Press SEND

Transfer successful

Loadset, database, key, or Eset may be selected for STU transfer.

Time cannot be transferred by STU.

***

The term "MWOD" (multiple word of day) is used in loading procedure for the Have

Quick radio found in selected aircraft.

****

Do not press SEND until receiving station is ready to press RCV; see STU Task 2 for

details.

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