Section I. GENERAL
1-4. Reporting of Errors
This manual is for your use in utilizing and
The reporting of errors, omissions, and
maintaining the Data Transmitter T-1257() /FSS-9(V)
recommendations for improving this publication by the
and Data Receiver R-1861( )/FSS-9(V) which comprise
individual user is encouraged.
Reports should be
the Data Transmission System Type I (DTS-I) and are an
submitted on DA Form 2028 (Recommended Changes
integral part of the Joint-Services Interior Intrusion
to Publications) and forwarded direct to Commander, U.
Detection System (J-SIIDS). Detailed information on
S. Army Troop Support Command, ATTN: AMSTS-
each of the other major system components is available
MPP, 4300 Goodfellow Boulevard, St. Louis, Missouri
in the applicable technical manuals listed in Appendix A.
63120. A reply will be furnished directly to you.
This manual contains equipment description
For Air Force personnel, reporting of errors,
and data; operator instructions; operator, organizational,
omissions, and recommendations for improving these
direct support, and general support maintenance
publications should be submitted on AFTO Form 22 and
instructions for preventive maintenance, troubleshooting,
forwarded to HQ, SAAMA/MMSTR, Kelly AFB, Texas
and corrective maintenance; and repair parts.
Appendix A contains a list of current
For Navy personnel, reporting of errors,
references, technical manuals, and other publications
omissions and recommendations for improving this
applicable to the DTS-I.
publication should be submitted on Technical Manual
Appendix B contains the maintenance
User Activity Comment Sheet and forwarded to Naval
Elect Systems Command, National Center Building 1,
ATTN: ELEX-4903, Washington, D. C. 20360.
Appendix C contains an illustrated parts list
that will aid in the identification of authorized repair parts.
1-5. Destruction of Army Materiel to Prevent Enemy
1-2. Maintenance Forms and Records
Department of the Army forms and procedures used for
Instructions covering the destruction of Army material to
equipment maintenance will be those prescribed by TM
prevent enemy use are contained in TM 750-244-3.
1-6. Administrative Storage
1-3. Equipment Serviceability Criteria (ESC)
TM 740-90-1 contains instructions
This equipment is not covered by an ESC.
Section II. DESCRIPTION AND DATA
system provides a secure method of communicating the
1-8. Purpose and Use
status at the control unit (CU) to the monitor unit (MU) of
a. The data transmission system type I (DTS-I) is
the J-SIID system. The status at the CU is first
comprised of Data Transmitter T-1257( )/FSS-9(V)
transferred from the CU to the transmitter.
(transmitter) and Data Receiver R-1861( )/FSS-9(V)
transmitter then sends this status to the receiver over
(receiver) (refer to figure 1-1.) The DTS-I is an integral
leased dedicated voice grade telephone lines, or over
part of the Joint-Services Interior Intrusion Detection
balanced two-wire transmission lines up to 10 miles in
System (J-SIIDS). The relationship of the DTS-I to the
length. The receiver then transfers the status sent over
other J-SIIDS components is illustrated in figure 1-2.
the line to the MU of the J-SIID system where the
Both the transmitter and receiver utilize solid state
appropriate alarm/status conditions are set.
Semiconductor) logic to achieve design goals The