Description

CISCO HIGH-SPEED WAN INTERFACE CARD - EXPANSION MODULE - HWIC - RS-232 RS-530 X.21 V.35 RS-449 RS-530A - 2 PORTS - FOR CISCO 1841 1841 ADSL2 1921 4-PAIR 1921 ADSL2+ 1921 T1 19XX 28XX 29XX 38XX 39XX