±48 V DC telecom Open Frame Power supply with 12 V 7 A output, for use with new “r2” revision of Cloud Core Routers or the new CRS326-24S+2Q+RM. Simply remove one of the current power supplies and replace with the new PW48V-12V85W for ±48 V installations.Although made specifically for -48V telecom power, the supported input range is from 36V to 57V. Note: To use, positive terminal must be 36 to 57V higher potential than negative terminal (eg. if negative terminal is -48 V, the positive must be -12 to +9 V). Product specifications:DetailsProduct codePW48V-12V85WOutput Voltage12V, 7APoE in±48V, 3ATested ambient temperature-20...+60C