±48V Open frame Power supply with 12V 7A output, for CCR since revision r2.

±48 V DC telecom Open Frame Power supply with 12 V 7 A output, for use with Cloud Core Routers since revision "r2" or the new CCR2004-1G-12S+2XS and 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).