产品名称：BLACK BOX ME890A-R2
型号：ME890A-R2
品牌：BLACK BOX
描述：
Optical isolated.
Supports distances up to 4000 feet.
Has 1000-VDC isolation between CATx and RS-232 interfaces.
Maximum speed of 250 K.
Run data and handshake signals over CATx cable and break the RS-232 distance limitation.
Plug-and-play! The driver is a pure ha***are solution providing real-time data transfer with no software conflicts.
规格：
Use long-distance CATx links to communicate with serial devices.
Control presentati*** remotely.
Transfer data between computers.
Ideal for a wide variety of applicati***.
Easy installation. The driver provides full-duplex tran***ission and ha***are handshake signals. There's no need for setup or configuration.
These CATx Line Drivers enable the user to place a receiving device up to 4000 feet away from the sending device. The local unit has a DB9 female connector and is configured as a DCE device; the remote unit has a DB9 male connector and is configured as a DTE device. This allows the local/remote pair to function as a long extension cable between two RS-232 devices. There are no user-configurable settings. These units pass TXD, RXD, RTS, and CTS signals to allow application to use ha***are handshake signals if neccessary.
This product includes:
(1) local unit
(1) remote unit
(2) 120 V power supplies