品牌	泓格 ICP DAS	型号	i-8112 i-8114 i-8114H i-8142 i-8142i i-8144
用途	在PAC上扩展多个串口	产品认证	RoHS

i-8112i-8114i-8114hi-8142i-8142ii-8144系列模块可以在您的pac上扩展出多个rs-232、rs-422485的串口，最高速率达到115.2kbps。大大扩展pac的通讯能力，使得pac可以完成串口服务器的功能。

技术规格：

number of ports	i-8112:2 i-8114:4
interface	txd, rxd, rts, cts, dsr, dtr, dcd, ri, gnd
controller	16c950 compatible
	speed: 115200 bps max.
	data bit: 5, 6, 7, 8
	stop bit: 1, 1.5, 2
	parity: none, even, odd, mark, space
	fifo: internal 128 bytes for each port
interrupt	shared interrupt
bus	parallel i/o module
connector	db-9(male)
4kv esd protection	yes, contact for each port.
intra-module isolation, field to logic	2500vrms

number of ports	i-8142iw = 2; i-8144iw = 4
interface	isolated rs-422/485 (the rs-422 and rs-485 couldn"t be used simultaneously) rs-422: txd+, txd-, rxd+, rxd, gnd rs-485: data+, data, gnd
2-wire cabling/4-wire cabling	belden 8941 (2p twisted-pair cable)/ belden 8942 (4p twisted-pair cable), when different cables are used, the transmission distance may change
transfer distance	max. 1,200m for speed 9.6k bps; max. 400m for speed 115.2k bps
supports max devices	maximum of 256 devices. in a single rs-485 network without using a repeater
controller	16c950 compatible
	speed: 115200 bps max.
	data bit: 5, 6, 7, 8
	stop bit: 1, 1.5, 2
	parity: none, even, odd, mark, space
	fifo: internal 128 bytes for each port
self-tuner asic inside	yes.
interrupt	shared interrupt
bus	parallel i/o module
4kv esd protection	yes, contact for each port.
intra-module isolation, field to logic	2500vrms.
connector	removable 20-pin terminal block
software
support interrupt driven software library
support vxcom library