Black Box IC624A-F RS-232/485 Converter

• The RS-232 connector is DB9F; the RS-485 connector is RJ-45; other connectors are available (see Related Items).
• Built-in silicon avalanche diode surge protection against data loss and equipment damage from transient surges.
• You can also "fine tune" impedance and "echo" characteristics for your individual application.
• For configuration, the converter features two internal 4-position DIP switches.

Features:

• Up to 31 multi point device drops in a polling environment
• Operates asynchronously, point-to-point or multi point, over 2 or 4 wires
• Data rates up to 115.2 Kbps
• Passes transmit and receive data, one control signal in each direction
• Variable high/low impedance settings
• No AC power or batteries required
• Able to operate with or without "echo."
• Carrier can be set as "constantly on"