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PCI Bus RS- 232/422/485 Serial Interface: ELK-PCI7804
Each port individually configurable for RS-232, RS-422, or RS-485
16C864 buffered UARTs with 128-byte FIFOs
Data rates to 921.6K bps
Universal Bus (3.3V and 5V) compatible
Automatic RS-485 enable/disable
36” cable terminates to eight DB-9M connectors
The Ultra COMM+8.PCI is a multi-interface, eight port, Universal Bus (3.3V or 5V) compatible PCI adapter. Offering eight field-selectable RS-232/422/485 channels, the Ultra COMM+8.PCI delivers ultimate flexibility for expanding serial communications.
The Ultra COMM+8.PCI supports standard PC data rates and boasts a top speed of 921.6K bps. The board is designed using the XR16C864 UART, which provides a 128-byte FIFO, eight times larger than boards designed with 16C550 compatible parts. The larger buffers allow error free operation even in high-speed applications. In RS-485 mode the board provides automatic control of the RS-485 driver enable for trouble free network master arbitration. Additionally, RS-485 network termination, critical to robust multi-drop communication, can be selectively added to the circuit via DIP-switches.
Number of ports 8
Communications chip 16C864
Max. data rate 921.6K bps
Max. data distance Up to 4,000 ft.
Operating temperature 0 - +70°C
Storage temperature -50 - +105°C
Humidity range 10 - 90% R.H.
ELK-PCI7804 PCI RS-232, RS-422, RS-485 Serial Interface
ELK-DB103 Converts DB9 Male RS-422 to Opto 22 Optomux Compatible DB9 Female
ELK-CA176 Convert any ASAN ST RS-422 DB9 Male Async Adapter to RS-530 DB25 Male
ELK-CA177 DB9 Female to DB25 Male 72" in Length Standard RS-232 Modem Cable
ELK-TB06 Terminal Block - Dual DB9 Female to 18 Screw Terminals
ELK-KT106 Terminal Block Kit - ELK-TB06 + (2)ELK-CA127 Cables
All specifications within this document are subject to change without notice.