Guardian Technologies SCR-A User Manual
Guardian Telecom Inc.
Installation and Operation
SCR-A Series
Page 4
Overview
SCR-A Industrial Ringdown/Autodialer Telephone
The SCR-A is a rugged industrial telephone designed to provide safe, reliable, point to point
communication in harsh environments such as refineries, mills, plants, warehouses or areas with
high humidity.
communication in harsh environments such as refineries, mills, plants, warehouses or areas with
high humidity.
Features
Enclosure
• 16 AWG steel, zinc dichromate plated and powder coated
• 16 AWG steel, zinc dichromate plated and powder coated
Epoxy Resin Coating
• Encapsulates all parts on main circuit board
• Encapsulates all parts on main circuit board
• Resistant to corrosive agents (eg. H
2
S, SO
2
, and NH
3
), and high
humidity
Magnetic Reed Hook Switch
• No moving parts
• No moving parts
Surge Arrestor
• Protects the user in the event of a high voltage spike on the telephone
• Protects the user in the event of a high voltage spike on the telephone
line
Fuse
• Prevents damage to the electronic circuits in the event of a high
• Prevents damage to the electronic circuits in the event of a high
voltage spike on the telephone line
Noise Reducing Microphone
• Allows a high level of intelligibility in locations with high background
• Allows a high level of intelligibility in locations with high background
noise.
Heavy Duty Handset Cord (SCR-11-A)
• Withstands
• Withstands
abusive
use
Armored Handset Cord (SCR-41-A)
• Vandal
• Vandal
resistant
Hearing-Aid Compatibility
• Compatible with inductively coupled hearing-aid devices
• Compatible with inductively coupled hearing-aid devices