Cloud Core Router (revision 2) 48V telecom Open Frame Power Supply
±48 V DC telecom Open Frame Power supply with 12 V 7 A output, for use with new “r2” revision of Cloud Core Routers. Simply remove one of the current power supplies and replace with the new PW48V-12V85W for ±48 V installations.
Although made specifically for -48 V telecom power, the supported input range is from 36 V to 57 V. Note: To use, positive terminal must be 36 V to 57 V higher potential than negative terminal (eg. if negative terminal is -48 V, the positive must be -12 to +9 V).