Mx240 Network Cable And Transceiver Planning - Juniper MX240 Hardware Manual

Table 85: Calculating Input Power Examples (continued)
Power Supply
MX240 DC High-capacity
1
These values are at full load and nominal voltage.
2
For this configuration, total power is 1485 W.
4. Calculate thermal output (BTUs). To calculate this, multiply the input power requirement (in watts) by
3.41. See Table 86 on page
Table 86: Calculating Thermal Output
Power Supply
MX240 AC Normal-capacity (high-line)
MX240 AC High-capacity (high-line)
MX240 DC Normal-capacity
MX240 DC High-capacity
SEE ALSO
Power Requirements for an MX240 Router | 186
AC Power Supply Electrical Specifications for the MX240 Router | 50
DC Power Supply Electrical Specifications for the MX240 Router | 58

MX240 Network Cable and Transceiver Planning

IN THIS SECTION
Determining Transceiver Support and Specifications for M Series and T Series Routers | 200
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 200
Power Supply Efficiency
~98 %
199.
1
Input Power Requirement
1515 W
Thermal Output (BTUs per hour)
1747 * 3.41 = 5957 BTU/hr
1669 * 3.41 = 5576 BTU/hr
1515 * 3.41 = 5166 BTU/hr
1515 * 3.41 = 5166 BTU/hr
199
2