产品名称：BLACK BOX MD940A-M                                                     
型号：MD940A-M                                                            
品牌：BLACK BOX

描述：  
 Powered to ensure continuous, reliable transmission over fiber.
Send RS-232 data from serial devices to a server over fiber cable.
Transmit data at up to 76.8 kbps.
Reach distances of 2.5 miles (4 km) at any speed.
规格：
 Autosensing 110–220-VAC power supply ensures reliability and continuous transmission.
A range select feature compensates for coupled power variations.
Switch-selectable DTE/DCE option. Set to perform like a DTE so it can communicate with another DCE device. No special cables are needed.
Support RS-232 async, bidirectional transmission.
Use with multimode fiber cable.