Model 272A
RS-422 to Fiber Optic Converter

The Model 272A performs an interface conversion between full duplex, RS-422 signals and their equivalent for fiber optic transmission. It handles full duplex data rates to 2.5 MBPS. 

• Data Rate to 2.5 Mbps
• Full Duplex TD and RD
• ST and DB-25 Connectors
• Extends RS-422 Network up to 2 km (6,600 ft)

REQUIRES FLASH PLUG-IN  &  INTERNET EXPLORER

Product Profile

Model 8277
RS-232, RS-422, or RS-485 to Fiber Optic Line Driver

The Model 8277 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.

• DIN Rail Version of Model 277
• Point-to-Point or Ring Configuration (up to 10 Units)
• Switch-Selectable RS-232, RS-422 or RS-485
• ST and DB9 Connectors
• Data Rate up to 1 Mbps

REQUIRES FLASH PLUG-IN  &  INTERNET EXPLORER

Product Profile