LNK-277 Series is an industrial grade RS-232 / RS-422/ RS-485 to fiber optic converter which converts a standard RS-232 / RS-422 / RS-485 transceiver to a fiber optic link as to extend the serial signal up to 2Km on multimode fiber and 80Km on single mode fiber. This unit is enclosed in an industrial wall mount compact size rugged steel case.
Plug-and-play, hot pluggable
• Extends RS-232 / RS-422 / RS-485 transmission up to 2Km on MMF, 80Km on SMF
• Industrial Wall Mount Compact size rugged case
• Protects against electrical interference and chemical corrosion
• Built-in surge and static protection
• Diagnostic and unit indicator LEDs
• Wide temperature range
Standard EIA /TIA RS232, RS-422, RS-485
Fiber Connector SC standard, ST/FC optional
Fiber Distance
50/125um MMF: 2Km, 62.5/125um MMF: 5Km, 9/125
SMF:20/40/60/80Km
Serial Connector RS-232: DB9, RS-422, RS-485: phoenix terminal
Serial Distance RS232: 15 meters, RS-422, RS-485: 1500 meters
Rate 0-120Kbps
Baud Rate 300 Baud to 115,200 Baud
RS-232 IN, OUT, GND
RS-485 D+, D-, GND
RS-422 R+, R-, T+, T-, GND
Power Supply DC2.5 5V(9V-48V)
Power rate 2W
Static protection 15KV electric static discharge (ESD) protection
Surge protection 1500W/sec surge protection
Operation Temperature -25°C to +70°C
Storage Temperature -40°C to +85°C
Storage Humidity 5%~90% non-condescending