UT-734 PCI converter card, compatible with RS-485 standard, can convert single-ended PCI signal to balanced differential RS-485 signal, with fast transient voltage suppressor protector, this protector is designed to protect RS-485 interface, adopt TVS (TRANSIENT VOLTAGE SUPPRESSOR) transient voltage suppressor, Under normal conditions, the TVS tube is in a high resistance state. When the two ends of the TVS tube are subjected to an instantaneous high-voltage shock, it can reduce the impedance at both ends at a very high rate and absorb a large current, thus clamping the voltage at both ends at a predetermined value and protecting the circuit components from damage due to transient high-voltage shock. This protector effectively suppresses lightning (LIGHTNING) and ESD, provides 600W of lightning surge protection power per line, as well as surge voltages and transient over-voltages generated by various causes on the line, and the extremely small inter-pole capacitance ensures high-speed transmission over the RS-485 interface.

• Hardware Interface

Connection Type: 1 DR44 Female

BUS: 32 bit Universal PCI

• Signal: RS-485: Data+(A) Data-(B) GND
• Transmission rate: 300bps-921.6kbps
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 1.5, 2
• Parity bits: None, Even, odd, Space, Mark
• Stream control: RTS/CTS XON/XOFF
• Operating temperature: -40～85°C
• Interface protection: RS-485 interface surge protection of 600W per line,±15K V electrostatic protection
• Transmission distance: RS-485 communication distance up to 1.2Km
• Support system: Win2000/ 2003/ XP/ Vista/ 2003_ Server/ NT4.0/ CE 4.2/ 5.0/ 6.0/ Vxworks/ Linux 2.4.x/ 2.6.x

DB9 pin type: RS-485 output signal pin assignment (Port1-Port4)