StarTech.com PCI2S422DB9 - Manual (Page 9)

Specifications
Instruction Manual
6
Chipset SUN1889
Connectors 2 x DB9 male
Mode of Operation Differential
Bus Transceivers Full Duplex and Half Duplex Selectable
Maximum Data Rate 10 Mbits/sec (250K baud on networks >= 64 nodes)
Maximum Cable Length 4000 feet (1200 meters)
Max. Receivers/Drivers per Line RS-422: 1 driver, 10 Receivers
RS-485: 10 drivers, 32 Receivers
Bi-directional Surge Protection 1500 VDC or 600 Watts Peak Pulse Power
Fault Protection +/- 60V for Receiver Input or Driver Output
No Damage or Latchup to ESD Level 4: +/- 15KV Air Discharge
Level 2: +/- 4KV Contact Discharge
Bus Interface PCI, 32-bit
Regulatory Certifications FCC Class B, CSA, CE, TUV, UL, CB