6GK7543-1MX00-0XE0 - PROCESOR KOMUNIKACYJNY CP 1543-1
TIM 1531 IRC COMMUNICATION MODULE FOR SIMATIC S7-1500, S7-400, S7-300 WITH SINAUT ST7 WITH THREE RJ145 INTERFACES FOR COMMUNICATION VIA IP-BASED NETWORKS (WAN / LAN) AND A RS-232/RS-485- INTERFACE FOR COMMUNICATIONS VIA CLASSIC WAN NETWORKS