Rhode Island Telecom News (United States)

Telephone/Telecom Test Kit, Cat.# 930849, contains thirteen high quality cables used to facilitate test and access of high speed data interfaces. This Kit was designed by Electro Standards with input from telco network installers and linesmen.

Electro Standards Laboratories announces the addition of the Telephone/Telecom Test Kit to GSA Schedule GS-35F-0286V. The Kit contains 13 high-quality test cables.

The PathWay® Model 7209 BNC A/B Data Switch with RS422 Remote Control allows the user the capability of accessing two separate BNC ports via the common port.

Electro Standards Laboratories, Cranston, RI, a manufacturer of copper and fiber optic network switches, has developed a business model focused on real people servicing real people.

Electro Standards Laboratories offers the Model 4121 Automatic Fallback & Recovery A/B Switch to government agencies at a discount on GSA Schedule GS-35F-0286V.

Model 700 EIA RS-232 Interface Analyzer is available on GSA Schedule GS-35F-0286V. This rugged unit is compatible with EIA RS-232, CCITT, V.24 and MIL-188C interfaces. Tri-State LED's display Red, Green, Orange and Off to indicate signal status.

The PathWay® Model 7465 RJ45 8-Channel A/B Network Switch with 10/100 Base-T LAN Telnet Access allows sharing a device connected to the COMMON port among two other devices connected to the A and B ports for each channel

With its integrated rate buffering, the Model 4165 converts USB 2.0 compliant data from a standard PC to a serial asynchronous data interface over fiber with a user-selectable baud rate of up to 3 Mbps.

Models 4162 and 4169 comprise a Host and a 4-Port Hub that extend USB connections via a high speed Fiber interface. The units convert USB 2.0 compliant data from a standard PC Host interface over fiber to a remote 4-Port powered Hub.

The Model 4149 media converter is a very high speed ruggedized Fiber to RS485/422/232 interface converter. Typical operating speeds: Up to 1.5 Mbps for RS232 to fiber conversion, Up to 5 Mbps for RS485/422 to fiber conversion.

Model 4173 with built-in fiber optic / copper medium conversion allows access to two separate fiber optic ST ports (ports A and B) from a Fast Ethernet RJ45 port. This switch is ruggedized for vibration environment.

QuickSwitch Model 4181 SC Duplex 100BaseFX Auto Fallback Switch with Remote access can increase network uptime by automatically detecting a faulty line and switching to a backup/secondary fiber optic network.

ESL offers a complete solution for the quick installation of MTP/MPO fiber cables: MTP/MPO patch cables, QuickConnect cassettes that break-out multi-fiber MTP/MPO cable inputs into SC, LC or ST connectors and a rackmount fiber patch enclosure.

The Model 4143 Automatic Fallback A/B Switch can be switched manually or remotely. A transition from 5 VDC to 0 VDC on Pin 9 of the DB25 Common port triggers the unit to switch positions.

The Model 4124 features automatic fallback based on loss of data on port A. Special mounting hardware is available for on-board ship use.

The Model 4145 monitors carrier presence (DCD) signal on the primary line, port A. If carrier is lost, the unit automatically switches to port B.

Model 4135 network switch allows sharing a DB9 device connected to the COMMON port connector among two other devices connected to the A and B ports.

Strategic alliance will enhance carrier services and data offerings with high bandwidth fiber optic networks.

Electro Standards Laboratories, Cranston, RI, has precisely generated detailed block diagrams of network switching functions, developing a virtual encyclopedia of copper and fiber optic network switch functions.

Electro Standards Laboratories (ESL), Cranston, RI, US, manufactures the new multi-fiber MTP/MPO Fan-Out cables and maintains "Ship-From-Stock" speedy delivery.