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T640 DC Power System Electrical Specifications


Table 1 lists the power system electrical specifications.

Table 1: T640 Power System Electrical Specifications



DC input voltage

Operating range: –40.0 to –72.0 VDC

Note: If the input voltage from the DC power source drops below –37.5 to –39.5 VDC, the router automatically shuts down. During automatic shutdown, the circuit remains active. When the input voltage returns to –43.0 to –44.0 VDC, the router automatically starts up again and the system returns to normal operation within 30 minutes. No operator intervention is required.

DC system current rating

152 A @ –48 VDC (nominal) (7296 W)