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A. Technical Reference
Specifications
• Bus interface: 32-bit PCI
• Number of ports: 8
• I/O address: Assigned by PCI BIOS
• IRQ: Assigned by PCI BIOS
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 1.5, 2
• Parity: None, even, odd, space, mark
• UART: Moxa UART (16C550C or compatible)
• Speed: 50 bps to 921.6Kbps (CP-168U v2)
50 bps to 230.4Kbps (CP-168U v1)
• Connector: DB62 female
• Data signals: RS-232－TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Surge protection: Embedded 15KV ESD
• Operating temp: 0 to 55℃
• Power Requirement 180 mA max. (+5V) (CP-168U v2)
418 mA max.( +5V) (CP-168U v1)
• Dimensions: 120 × 83 mm (4.72 × 3.27 in) (CP-168U v2)
136.9 × 100 mm (5.39 × 3.94 in) (CP-168U v1)
PCI
The 32-bit Smartio CP-168U boards comply with PCI specifications 2.1. Hardware
configuration for IRQ and I/O addresses is automatically assigned by the PCI BIOS. Hence,
you must first plug in the board before installing the software driver.
Unlike ISA slots, different PCI slots in the same PC may have different bus numbers and
device numbers with respect to the PCI specifications. The same PCI board will have
different system configurations if moved to a different PCI slot. This is called slot-sensitive
or slot-dependent, and may apply to PCI slots in PCs with different motherboards, which
might use different device number sets. For example, some use 17, 18, 19, and 20 for