Description
也就是承包方对哪一工艺过程和DCS本身比较熟悉。如经常做化工控制系统的承包商来做轧制的控制系统，他对活套的控制、卷曲的控制和张力的控制等就不太熟悉，做的工程就不会太好。如果承包方对DCS本身不熟悉，控制器做的太大时会产生死机。不少工厂都购买了不同厂家的DCS系统，我们称之为“八国联军”状态，此时更要选择技术力量比较强的单位抓总，而不宜选择某一个国外厂商作为承包商。
Cisco UBR-CLK-T1 Cable Clock Card – UBR7246VXR 7246VXR
90 Day Warranty – Free Overnight Shipping!
IXIA LM-100TX 4 port 10/100Base-TX Ethernet Module 1600
90 Day Warranty – Free Overnight Shipping!
Cisco IGX-UXME-3-T3 8400 IGX-UXME + BC-UAI-3T3
Free Ground Shipping – 90 Day Warranty
Cisco IGX-UFM-4C Universal Frame Relay Card 4 Port
90 Day Warranty – Free Worldwide Shipping!
Extreme 51034 Multiplexing (WDM) Module BD 6808
30 Day Warranty – Free Shipping!
Cisco IGX-UFM-C Universal Frame Relay Module C IGX8400
90 Day Warranty – Free Worldwide Shipping!
Cisco MGX AX-FRSM-4E1-C Frame Service Module CHAN E1
90 Day Warranty – Free Shipping!
Alcatel Expert Telecoms A8619 PTS Signalling System
SS7, V5, ISDN, INAP, GSM, GPRS, CDMA and IP based
Enlarge
Ameritec AM2-A Niagara Self-Contained Analog Call Gen
45 Day Warranty – Free Shipping!
