Specifications

202 Networking and Other Equipment > Protocol Converters and Line Drivers
Item # Description List Price
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Telebyte RS232 Fiber Optic Line Drivers - Achieve Distances to 2km
The TB271 Series of RS232 Fiber Optic Line Drivers provides maximum protection from ground currents and noise interference between equipment as
well as increases operating distances to up to 2km. Three versions are available, supporting RS232 serial interfaces. The TB271 Series achieves power
from the Transmit Data line, whereas, the TB271A series has an external power supply (included). DB25M and DB25F versions available. Fiber optic
connection utilizes Dual ST connectors and duplex 62.5/125 Multimode cabling.
TB271M RS232 Fiber Line Driver, DB25M, Self Powered 129.00
TB271F RS232 Fiber Line Driver, DB25F, Self Powered 129.00
TB271AF RS232 Fiber Line Driver, DB25F, Externally Powered 139.00
Telebyte RS422 and 485 Fiber Optic Line Drivers - Protect Against Noise and Ground Loops
Similar to the TB271 series except designed for RS422 and RS485. Both units utilize DB25F and dual fiber ST ports. For use with duplex multimode fiber
optic cabling.
TB272F RS422 Fiber Line Driver, DB25F, Externally Powered 129.00
TB276F RS485 Fiber Line Driver, DB25F, Externally Powered 139.00
Telebyte RS232 Fiber Optic Auto Powered Line Driver
The TB9271 RS232 fiber optic auto powered line driver features a standard DB9 Female interface and Dual ST style fiber connectors. It can be installed
in applications requiring very high data transmission rates, offers resistance to Electromagnetic Interference (EMI) and isolation from lightning-induced
current surges and ground loops. The unit employs an RS232 data interface, can achieve 56Kbps asynchronously and operates in either half- or full-
duplex modes over dual fibers up to 2km in length.
TB9271 RS232 Fiber Optic Auto Powered Line Driver 129.00
Telebyte Single mode to Multimode Fiber Converter
The TB279 provides transparent conversion between fiber optic devices utilizing multimode fiber and those with single mode fiber. Features of the TB279
include the ability to operate from DC to 2.5Mbps. This allows a variety of applications to take advantage of the transmission capability of the device
and fiber cable. The TB279 is powered by a wall-mounted 12VDC adapter.
TB279 Single mode to Multimode Converter 649.00
Telebyte RS232, 422 or 485 Fiber Optic Modem - DIN Rail Mountable
The model TB8277 is a unique asynchronous fiber optic modem whose optical interface can operate in either point to point or ring (daisy chain)
configurations and whose electrical interface can also operate in point to point or multi-drop configurations depending on the user selected interface.
The electrical interface is switch selectable between RS232, RS422 and RS485. The TB8277 is supplied with a power cord for the DC input. An optional
AC power adapter is available for installations where 12 VDC is not accessible.
TB8277 DIN Rail Fiber Optic Media 229.00
TB8277-110PSU Optional 110VAC Power Supply 14.95
Telebyte RS232 to RS422 Interface Converter - Self-powered DB9 Connector
Adding an RS422 interface to a PC is now a snap. The TB253P Interface Converter does this for full duplex signals at data rates up to 19.2 KBPS, without
requiring AC or DC power. The unit features a DB9F connector, (allowing it to be plugged directly into any one of the PCs Comm ports) and RJ11 (6x4) jack.
TB253P RS232 to 422 Interface Converter, DB9F, Self-powered 59.00
Telebyte RS232 to RS422 Interface Converter - Non-powered DB25 Connector
The TB263 RS232 to RS422 interface converter offers the user the benefits of other converters without the problem of supplying power. With only TD,
RD and Ground the TB263 will provide operation at any allowed speed over 8,000 feet of twisted pair into a load of 120 Ohms. DB25 female connector
and 4 screw terminals and RJ11 (6x4) jack.
TB263F RS232 to 422 Interface Converter, DB25F, Non-powered 64.95
RS232 to Current Loop Converter
The Telebyte TB65A is a small, versatile, RS232 to Current Loop Converter for use with teletypes or computers providing local terminal input via a 20mA
(or 60mA) current loop. The TB65A includes a wall-mounted transformer and internal power supply circuitry. Additionally the TB65A provides switch
selection of all RS232 operating modes including: Half Duplex - Passive Loop, Half Duplex - Active Loop, Full Duplex - Passive Loop, and Full
Duplex - Active Loop. This product will drive 20mA and accept 20mA or 60mA loop currents and operates from DC to 9.6 KBPS.
TB65A RS232 to Current Loop Converter (Includes Power Supply) 118.00
Economy RS232 Fiber Optic Line Driver (Port or Ext Powered)
The ICC45B-001 RS232 Fiber Optic Line Driver provides users a compact, low cost solution for extending RS232 data over extended distances by using
fiber optic cabling. The ICC45B-001 features a DB25F input connector and duplex ST connectors for an output. This device can handle up to 115Kbps
and supports cable lengths up to 2km over multimode fiber cabling. This economical converter can either be port powered or powered by an optional
external power adapter (sold separately). The ICC45B-001 can be used with standard 62.5/125 fiber cable.
ICC45B-001 Economy RS232 Fiber Optic Line Driver 69.00
Economy RS232 to RS422/RS485 Interface Converter
This RS232 to RS422/RS485 Interface Converter is an economical solution to interface problems. These devices are self-powered and feature a DB25F
RS232 port and either a 4-pin terminal block or a RJ45 jack for connecting devices together.
ICC47A-013 Economy RS232 to RS422/RS485 Interface Converter with 4-Pin Terminal Block 39.95
ICC49A-013 Economy RS232 to RS422/RS485 Interface Converter with RJ45 Jack 39.95
Economy RS232 to V.24 Interface Converter
The ICC47B-014 model RS232 to V.24 Interface Converter provides users with an economical way to extend RS232 signals using standard twisted pair
cabling. The ICC47B-014 features a DB25F input connector and a 4-pin terminal block for the V.24 side. The ICC47B-014 supports data rates up to
128Kbps and distances up to 1000 meters. Includes a 9VDC external power supply.
ICC47B-014 Economy RS232 to V.24 Interface Converter with 4-Pin Terminal Block 32.95
TB253P
ICC45B-001
ICC47A-013
ICC47B-014
ICC49A-013
TB271M
TB9271
TB276F
TB8277
TB263F
TB8277-110PSU
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TB279
TB65A
RoHS status
Information listed on every product saves you time.
L-com.com/RoHS
2K7_MV2_NW&Test_1.qxd 08/14/07 12:07 PM Page 202
TB271AF
TB8277-110PSU
TB8277-110PSU
TB276F
TB276F
TB271F
TB263F
TB263F
ICC49A-013
ICC49A-013
TB9271
TB9271
TB8277
TB8277
TB279
TB279
TB272F
TB271M
TB271M
TB253P
TB253P
ICC47B-014
ICC47B-014
ICC47A-013
ICC47A-013
ICC45B-001
ICC45B-001