Technical Documentation

TX Matrix Plus Power Specifications

Table 1 lists the power system electrical specifications.

Table 1: Power System Electrical Specifications

Item

Specification

DC input voltage

Operating range: –40 to –72 VDC

DC system current rating

191.6 A @ –48 VDC (nominal) (9200 W)

We recommend that you provision a circuit breaker for each DC power supply input rated for at least 125 percent of the continuous current that the system draws at –48 VDC.

Table 2 lists the power supply electrical specifications for the seven-input 420-A power supply.

Table 2: Seven-Input 420-A Power Supply Electrical Specifications

Item

Specification

DC input voltage

Nominal –48 VDC, –60 VDC
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 –44.00 VDC, the router automatically starts up again and the system returns to normal operation within 30 minutes. No operator intervention is required.

Input DC current rating

48 A @ –48 VDC (nominal) (2304 W)


Published: 2010-08-11

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