PSC-2 Digital Communications Terminal(DCT)

© Brooke Clarke 2017

Background
Description
Photos
Manuals
Related
References
Links

Background 

The PSC-2 Digital Communications Terminal (DCT) aka Lightweight Tacfire.  Is very similar to the PSG-2 in functionality.

Description

It turns out that there is no simple provision for external DC power.  It appears that it might be possible using an unkonwn Power Adapter.
It may be the  Litton Data Systems DC/DC Powerstick p/n: 08YX1-417985-101 

Data:
Size: 8.8" x 6.9"
Weight: 5 lbs
Power: 9V, 8 AH Li battery or 28 VDC external adapter
Modulation: Half Duplex digital
Interface: FSK, Digital Baseband and MIL-STD-188C
Xmit Rate: 175, 150, 300, 600, 1200, 2400, 8000, 9600 or 16000 bits per second
Memory: 128 k bytes
Display: 5" x 7" LED dot matrix
Com Protocol: MTS (Marine Tactical System) Broadcast
Physical Interface: MIL-STD-188-114

Cables

W-8 5' DC Power Cable

This is a DC power cable with no data function and it does not mate with the PSC-2.
Littion PN 214552-100
NSN 5995-01-155-7777
contract: N00163-96-C-0164
ASTM D3951-90    12/96

W8  P1,  (Pwr-Adp)

MS 3475 W8-33S
Litton Data Systems, 13973, SOCN, 214552-100,  W8
54462,  1013-W8, Swr No. 3283
W8  P2, (DC Conv-J2)

MS 3475 W8-33P

Fig 1
PSC-2 W-8
                      5' data cable
Fig 1
PSC-2 W-8
                      5' data cable

W-4 Branched Data Cable

This is a "Y" cable for data only, not DC capability.

SINCGARS  PN 214421-100, 1013-W4, NSN 6150-01-155-7961

The cable is labeled:  54462-1013-W4,  Ser No. 2121
The base of the "Y" is labeled W4  P2, (Radio/Comsec)
The branches are labeled:
W4  P1, (DCT)  and W4  P3, (Handset)

Fig 1
PSC-2 W-4
                      Data Cable
Fig 2
PSC-2 W-4
                      Data Cable

DC Power Supply PP-8034/PSC-2, NSN 5895-01-146-6739

Photos


Fig 1
PSC-2 Digital
                      Communications Terminal (DCT)
Fig 2
PSC-2 Digital
                      Communications Terminal (DCT)
Fig 3
PSC-2 Digital
                      Communications Terminal (DCT)
Fig 4
PSC-2 Digital
                      Communications Terminal (DCT)





Manuals & Related

AD-A257 457 Naval Postgraduate School, Monterey, California, Thesis, Evaluation of Digital Communications using the Marine Corps Communications Architecture Analysis Model by J.F. Monaghan, Sep 1992


TM 11-7440-281-12&P Operator's and Organizational Maintenance Manual Including Repair Parts and Special Tools List, Digital Message Device AN/PSG-2A (NSN 7025-01-094-5473), May 1982
TM 11-5820-890-10-9 Operation of Digital Message Device, AN/PSG-2A with SINCGARS Ground Radio Sets, 1 Apr 1993
CX-13308 cable to AUDIO/DATA connector on radio.
Switch
ICOM
Radio
Non-ICOM
Radio
Function
SQ On
SQ On
Mode
SC or FH
SC or FH
Data
TF
AD2
COMSEC
CT
(TSEC/KY-57) On CT
*
Off
n/a

PSG-2A
Xmit Block:
Single
Xmit Rate:
1200
Preamble:
0.7

TB 11-5820-890-10-12 Lightweight Tacfire AN/PYC-1 (BCT) and AN/PSC-2 (DCT) with SINCGARS Ground Radio Sets, Aprio 1, 1993
Cable: W32

PSC-2 Lightweight Tacfire
Tone Pair:
1200/2400 Hz
Xmit Block:
Single
Xmit Rate:
1200
Preamble:
0.7 (1.4 or greater when operting with PSG-5)
KY:
Off
Modem:
-18 dBm

TM 11-5895-1325-12&P-6-1
TM 11-5895-1325-12&P-7-2-1
TM 11-6625-3132-24
TM 11-6625-3132-40P
TM 11-7440-281-12&P
TM 11-7440-281-30&P
TM 11-7440-326-40
TM 11-7440-326-40P
TM 11-7440-330-40
TM 11-7440-330-40P

TM 11-7440-240-10-1 Fire Derection Center, Artillery, OA-8389/GSG-10(V), )Battalion), NSN 7010-01-017-7039, 1 Feb 1990

Related

PSG-9 Message Terminal
Digital Message Device (DMD)
Rugged Handheld Computer (RHC) 31A,  Tactical Terminal (Tacter) 31A
SINCGARS use with PSG-2
CX-13308 SINCGARS to: M23 Mortar Ballistic, PSG-2A, PSG-5, Speaker Extension
Panasonic CF-28, CF-30 Toughbook Laptop computers

References


Links

PRC68, Alphanumeric Index of Web pages, Contact, Products for Sale
Page Created