Cisco OSM-1CHOC12/T1-SI
CISCO OSM-1CHOC12/T1-SI 1-PORT CHOC-12/SHSTM-4 (SM-IR), TO DSO AND T1/EI, W/4GE CISCO OSM-1CHOC12/T1-SI
CISCO OSM-1CHOC12/T1-SI 1-PORT CHOC-12/SHSTM-4 (SM-IR), TO DSO AND T1/EI, W/4GE CISCO OSM-1CHOC12/T1-SI