Homepage Cyberwar Cybersecurity Cyberspace C-Spionage C-Sabotage Gefährdung Kriminalität Computer Kommunikation mod. Systeme Der Mensch Beratung Bildung Fachberichte Information Kryptologie Emission Verschlüsselung Forschung Begriffe Recht Technik Verschiedenes
.R F I D  - Systeme   Verschlüsselungs- und Chiffriertechnik   Rotorsysteme   Computerkryptologie
Recognition Cipher Disk Prototype
 
Information
aus CRYPTO MACHINE
more information
Red Phone TA-970/U and TA-980/U

The TA-970/U and TA-980/U telephone sets are used primarily in shipboard installations of the Single Audio System (SAS), which provides voice communications both plain and cipher modes. They are an integral part of the ship's exterior communications system.

The 980 telephone  provides voice communications and control capability for up to 12 switch selectable channels from below deck (protected) shipboard spaces. The 970 is a single channel unit only.

Common Characteristics

Power Requirements: 24VDC @ 250 ma
Input Impedance: 470 ohms
Output Impedance: 600 ohms
Microphone frequency response: +/- 4db from 200 Hz to 4000 Hz
Receiver frequency response: +/- 6db from 200 Hz to 4000 Hz
Weight: 11.5 lb.
Dimensions: 10.8"H x 7.34"W x 7.9"D


TA-970 PHOTOS

redphone_05_970.jpg
(Photo courtesy e-Bay)