Electro Standards Laboratories

Model 930849 Telephone / Telecom Field Technician Test Kit is supplied to Telco Field Technicians worldwide!

  • Kit contains 13 high quality cables designed to facilitate test and access of high speed data interfaces.
  • Designed with input from telco telecom installers, telco linesmen and field technicians.
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Electro Standards Laboratories

The PathWay® Model 4143 RS-232 DB25 Automatic Fallback A/B Switch

  • Control the switch position using Pin 9 of the DB25 Common port or the front-panel pushbutton.
  • A transition from 5VDC to 0VDC on Pin 9 of the DB25 Common port triggers the unit to switch positions.
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Electro Standards Laboratories

Model 7301 8-to-1 DB9 Switch with Contact Closure and RS232 Serial Remotes

  • Allows switching up to 8 networks or devices from one device/network via 8 front panel pushbuttton or remote control via Contact Closure signals or ASCII RS232 Serial Data.
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Electro Standards Laboratories

M7245-ESL is a Dual Channel RS530 Switch and Fiber Optic ST Duplex Switch

  • Both Channels feature 3 Positions, SECURE/NON-SECURE/CUTOFF.
  • Channel One is RS530 Compatible. All 25 Pins Switched.
  • Channel Two is Fiber Optic, ST Duplex, Multimode with 1300nm wavelength.
  • Remote Control Using Contact Closure or RS232 Serial Data.
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Electro Standards Laboratories

Electro Standards manufactures copper and fiber optic cable assemblies for commercial and military requirements.Sales Engineers ready to assist: 401-943-1164e-mail: eslab@ElectroStandards.comwww.electrostandards.com Read more...

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Electro Standards Laboratories

The Models 4127/4129 HP Fiber to RS485 Interface Converters Allow Connection of HP Fiber Optic Linked Terminals to RS-485 Port of Controller

√ Converts RS-485/ RS-422 Serial Communication Interface to HP Versatile Link Plastic Core Fiber (POF) cable. Read more...

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Electro Standards Laboratories

Model 7224 allows quick connection to any one of two DB15X.21 Interface devices from one COMMON device.

  • All (15) pins of the DB15 interface are switched via break-before-make electromechanical relays.
  • Front panel pushbutton control and RS232 Serial Remote Control.
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Brainboxes Limited

Tough ultra small USB to serial adapter suitable for any environment. The closest you can get to an integrated serial port. High retention USB connector for an unbreakable connection. Read more...

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Electro Standards Laboratories

Each of the channels of the Model 7196 BNC AutoScan Switch allows access to six DVR/Camera networks from one laptop computer. All BNC ports are impedance matched to support 75 Ohm equipment.

  • Ideal Applications: Multiple Digital Video Recorder, Multiple CCTV Camera Security Monitor Systems, AutoScan Security Cameras
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