Estimating Power Requirements - Cisco ASR 5000 Installation Manual

Estimating Power Requirements

Characteristic
Line Card (rear-installed) Maximum
Power Load
Application Card (front-installed)
Maximum Power Load
Power Feed
Estimating Power Requirements
Use the following formula to estimate the total power consumption for each deployed chassis:
(Total Application Card Maximum Power Load) + (Total Line Card Maximum Power Load) + (Chassis
Maximum Power Load)
The calculation for estimating the power required for an ASR 5000 installation with 3 PSCs, 2 SMCs, 2 SPIOs,
2 RCCs, and 4 Ethernet 1000 line cards is as follows:
(250W x 3) + (130W x 2) + ((20W x 2) + (13.5W x 4)) + 800W = 1934W
Power Cable Requirements
You can install up to three chassis in an equipment rack or telecommunications cabinet. Typically power
cabling is run from the office Power Distribution Frame (PDF) to a Power Distribution Panel (PDP) installed
in the rack or cabinet and then to each of the chassis. Due to the required bending radius at each of the system's
PFUs, distributing power through a PDP allows you to use a smaller, more flexible cable for each chassis.
The following table identifies the recommended gauges for power cables.
ASR 5000 Installation Guide
126
Value
SPIO: 15W
FLC2: 13.5W
GLC2: 10.5W
RCC: 20W
QGLC: 15W
XGLC: 25W
OLC2: 23W
CLC2: 23W
SMC: 130W
PSC: 250W
PSC2: 325W
PSC3: 330W
PPC: 275W
PFU: 165 Amps
Cabling the Power Filter Units