Shipped to operate as USB to RS422 without setting any jumpers.   Ideal for connecting a variety of serial devices to a computer using a USB port.
User set to interface as an RS232 (Pc comport), RS422 4-wire interface, RS485 2-wire interface or TTL low level interface.
  The adapter plugs into an internal motherboard IDC USB port, and works like a serial interface.   The user should insure that the motherboard being used has a board mounted 4-pin IDC USB jack.

Features

• Designed and Manufactured in the USA
• RoHS Compliant - Lead Free parts, PCB and construction
• Comprehensive User's Manual included
• Latest Surface Mount Technology (SMT) for low power and small size

USB Interface

• USB 1.1 and USB 2.0 compatible
• USB Powered - No external power supply
• Baud rates to 921.6 Kbaud (tested to 1.1Mbps)
• 128 transmit buffer, 256 byte receive buffer
• Internal LED transmit and receive status indicators for setup/test
• External adapter version - ANC-6204

RS-422/RS-485

• Meets or beats EIA-485 and EIA-422 signal level specifications
• RS422 SMPTE pin compatible (female DB-9)
• Transmit data at distances up to 4,000 feet (1,219.2 m)
• 4 wire full duplex or 2 wire half duplex operation
• Operate in multidrop (RS-485) or multipoint (RS-422) applications
• Selectable data loopback or echo suppression
• Choice of fixed or auto controlled transmit and receive (AutoXmit)
• Terminate resistor jumper (120 ohms) on input

RS-232

• Meets or beats EIA-232 signal level specifications
• Pin compatible to a PC comport (DCE, male DB-9)

TTL

• Input / Output jumper for USB to TTL serial interfacing
• Input voltage protected ( -7v to +12v )

Unique/Advanced Features

Unique to ANC-6204:

• Pads on PCB to install custom baud rate crystal
• Both RS232 and RS422, RS485 or TTL transmit output are enabled
• Both RS232 and RS422, RS485 or TTL receive input are jumper enabled (usable one at a time)

Advanced Features:

• Permanent USB readable serial number - use as software encryption dongle (FTDIChip-ID)
• LEDs maybe reprogrammed to display other device status (power on, sleep mode, RS485 transmit, etc.)
• USB programmable 128 byte EEROM
• 300 baud to 3 Mbaud user programmable range (1Mbaud limit for RS232 operation)

Hardware Specifications

Mechanical/Connectors

• 1 foot USB 4-pin IDC cable
• Male DB9 for PC RS-232 serial comport operation
• Female DB9 for SMPTE RS485/422 and TTL interfacing

Electrical Specifications

• Voltage: +5v from USB port
• Current: 100 ma for long and/or terminated cable applications
• RS-485/422 output drive: short proof output, non-terminated operation to 150 feet, terminated operation to 4,000 feet.
• RS232 output drive: short proof output, under worse case conditions, 5v switching to exceed 3v EIA RS232 specification

Software Driver

The converter runs under Windows 98, 98SE, ME, 2000, XP, 2003, VISTA, Linux 2.4 & Linux 2.6.9 and later, FreeBSD 6.0 & MAC OSX.   Linux 2.6.9 and later, FreeBSD 6.0 and MAC OSX directly support the ANC-6204 without installing drivers.

Updated 05/10/17 13:00

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