Luxlink RS-422 Operating Instructions

WARRANTY

All fiber optic transmission systems, products and accessories
manufactured by Liteway, Inc. and it's subsidiaries are fully tested
prior to shipment and are warranted against defective materials
and workmanship for a period of two full years from the date of the
original shipment. Should a problem occur, a Return Material
Authorization Number (RMA) must be obtained from Liteway Inc.
at (516) 931-2800 and the item returned to Liteway, Inc. 166
Haverford Road, Hicksville, NY 11801, USA, prepaid. Liteway Inc.
will then, at its option repair or replace the defective item.
Liteway, Inc. maximum liability under this warranty is limited to the
cost of the defective item only. No contingent liabilities of any kind
are either assumed or implied.
Any items returned to Liteway, Inc. that have been misused,
abused, damaged, modified, connected or adjusted in any way
contrary to the instructions furnished by Liteway, Inc. or repaired
by unauthorized personnel will not be covered by this warranty.
Any non-warranty repairs required will be quoted at the current
rate for such services.
!

Important Notices

CAUTION ! AVOID DIRECT EXPOSURE TO BEAM.
All -7,-8, and -9 Models use laser diodes. These solid-state laser diodes
are located in the optical ports of these units. Laser diodes produce
invisible radiation that may be harmful to human eyes. Never look
directly into the optical port of any fiber optic unit designed to operate
with single-mode optical fiber.
NOT FOR LIFE SUPPORT SYSTEMS
Liteway, Inc. does not authorize or warrant any of its products or
accessories for use in critical life support systems or applications of any
kind.
© Copyright 2004 Liteway, Inc. 107553 Rev E
OPERATING INSTRUCTIONS
Fiber Optic RS-422 / RS-485
Converter
Model DX-7221
The DX-7221 is designed to allow a four-wire full duplex RS-
422 transmission system to be connected to a two-wire RS-
422/485 half-duplex data bus. The system will transmit signals
from DC to 50 Mb/s.

Technical Specifications

Bandwidth DC-50 Mb/s
Protocols supported RS-422/485 2 wire, TTL
Rise/Fall Time 20 ns typical
Bit-error Rate 1 x 10-9 (worse case)
Signal Connectors BNC, Removable Terminal Block
Operating Wavelength 850 (-1), 1300 (-3,-7), 1550 (-9)
Optical Output -15 dBm typical
Optical Loss Budget 0 – 10 dB
Fibers Accommodated 1 Multimode (-1,-3), 1 Single-mode (-7,-9)
Temperature Range -35º to +75ºC
Power Requirements 11-24 VAC/DC @250 mA
Physical Size (mm) 5.0"(127)L x 1.0" (25.4)W x 3.0"(7)D
All specifications measured with 1Km of 62.5u multimode fiber.
All specifications are subject to change without prior notice.