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The 7404 PCI serial interface provides four field selectable ports configurable as RS-232, RS-422, or RS-485 supporting asynchronous data rates up to 460.8K bps. In RS-485 mode, our auto-enable feature allows the 7404 to be viewed by the operating system as a standard COM port. The 7404 is Universal Bus (3.3V and 5V) compatible and can be installed in a standard height PCI slot. The included 36 cable terminates to four DB9 Male connectors.
| Host Interface | PCI |
|---|---|
| # of Ports | 4 |
| Electrical Interface | RS-232, RS-422, RS-485 |
| RoHS | Yes |
| UART | 850 UART |
| Serial Connector(s) | DB9M |
| PC Bracket | Standard Height |
| Communications Chip | 16C864 |
| Max Data Rate | 460.8K bps |
| Max Data Distance | 4000 feet |
| Operating Temperature | 0 - +70C |
| Storage Temperature | -50 - +105C |
| Humidity Range | 10 - 90% Relative Humidity, Non-Condensing |
- • Compliant with RoHS and WEEE directives
- • Each port individually configurable for RS-232, RS-422, or RS-485
• 16C864 buffered UART with 128-byte FIFOs - • Data rates to 460.8K bps
- • Automatic RS-485 enable/disable
- • Universal Bus (3.3V and 5V) compatible
- • Included 36" cable terminates to four DB9 Male connectors (Item# CA143)
 Part#RJ9S8 Modular Adapter
$3.95
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 Part#DB103 DB9F to Opto 22 DB9F
$9.95
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 Part#KT105 Terminal Block Kit
$28.95
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 Part#CA127 DB9 Serial Extension Cable
$9.95
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 Part#KT106 Terminal Block Kit
$43.95
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 Part#CA176 RS-422 to RS-530 Cable
$9.95
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 Part#CA177 DB9 to DB25 Serial Cable
$7.95
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 Part#TB05 Terminal Block
$19.95
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 Part#TB06 Terminal Block
$24.95
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 Part#CA190 DB9 207M SMPTE Cable
$19.95
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 Part#TB34 Terminal Block
$8.95
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 Part#TB34-2 Terminal Block Kit
$14.95
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