We provide Tender Bidding Support for Supply of Rs232 To 485/Rs 422 Converter Having Following Specifications Serial Interface: I Interface: Rs 232, Rs485, Rs 422 Ii Connectors: 9 Pin D-Type For Rs 232, 5 Way Screw Terminal For Rs 485 And Rs 422 Rs485: I Maximum Number Of Drivers:256 Ii Maximum Number Of Receivers:256 Iii Maximum Cable Length Rs 485: 1220 M Iv Maximum Cable Length Rs232: 15 M V Signal Isolation: Provides Optical To Serial Port Signals Vi Power Isolation: >3000V Isolation Between Rs 485 And Rs 232 Vii Baud Rate: 300 To 115200 Baud. Support Higher Speed For Shorter Distances. Indicators Led I Power Red : Remains On When The Unit Receives Power Indicating That The Unit Is Functional And Ready To Send/Receive Data. Ii Txd Yellow : Lights Up When There Is Data To Be Transferred From Rs 485 Side To Serial & Is Off When There Is No Data Transfer Activity. Power I Input: External Adaptor With 5V Dc At 300Ma Environmental I Operating: 0 To 70 Degree Celsius Ii Storage: -40 To 85 Degree Celsius Dimension Lxwxh : 72Mml X 43Mmw X 21Mmh The Module Should Be Compatible To Existing Ipis System Installed At Veraval Station.