Number of Device Connections  4Connectors  1 x USB Type B female (white)4 x DB-9 male (black)1 x DC jackLEDs  Port Status: 4 (green)Power: 1 (orange)Max Data Transfer Rate  115.2 kb/sFIFO  16-byteUSB Specification  USB 1.1 compliant, USB 2.0 compatibleRS-232 Pin Configuration  TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GNDData Bits  5, 6, 7, 8Stop Bits  1, 1.5, 2Power Mode  Bus powered, use of power adapter is optionalPower Consumption  0.6 WTemperature & Humidity  Operating Temp: 32 to 122ｰF / 0 to 50ｰCStorage Temp: -4 to 140ｰF / -20 to 60ｰCHumidity: 0 to 80% RH, non-condensingOS Support  Microsoft 2000/2003/XP/NTDimensions (LxWxH)  4.9 x 3.1 x 1.0" / 12.5 x 8.0 x 2.5 cmWeight  0.71 lb / 0.32 kg