Step 2: Locate the Power Supply Serial Number ID Label

Action

To locate the power supply serial number ID label, see Table 66 and Figure 95 through Figure 101.

Table 66: Power Supply Serial Number ID Label Locations on M-series Routers

Router	Power Supply Type	Serial Number ID Label Location
M5 and M10	AC, DC	Power supply faceplate
M7i and M10i	AC, DC	Power supply faceplate
M20	AC, DC	Right side of the power supply back
M40	AC, DC	Top of the power supply
M40e	AC	Upper center of the power supply faceplate
	DC	Left center of the power supply faceplate
M160	DC	Left center of the power supply faceplate
M320	AC, DC	On the power supply faceplate under the circuit breaker switch
T320 and T640	DC	Left side of the power supply faceplate

Figure 95 shows the location of the serial number ID label on the power supplies for the M5 and M10 routers. The label is located on the power supply faceplate.

Figure 95: M5 and M10 Router Power Supply Serial Number ID Label

Figure 96 shows the location of the power supply serial number ID label. for the M7i router. The label is located on the power supply faceplate.

Figure 96: M7i Router Power Supply Serial Number ID Label

Figure 97 shows the location of the AC and DC power supply serial number ID labels for the M10i router. The labels are located on the power supply faceplate.

Figure 97: M10i Router Power Supply Serial Number ID Labels

Figure 98 shows the location of the serial number ID label on the power supplies for an M20 router. The label is located on the right side on the back of the power supply.

Figure 98: M20 Router Power Supply Serial Number ID Label

Figure 99 shows the location of the serial number ID label on the power supply for an M40 router. The label is located on the top of the power supply.

Figure 99: M40 Router Power Supply Serial Number ID Label

Figure 100 shows the location of the AC power supply serial number ID label for an M40e router. The label is located at the upper center of the faceplate.

Figure 100: M40e Router AC Power Supply Serial Number ID Label

Figure 101 shows the location of the DC power supply serial number ID label for the M40e and M160 routers. The label is located on the faceplate.

Figure 101: M40e and M160 Router DC Power Supply Serial Number ID Label

Figure 102 shows the location of the AC and DC power supply serial number ID labels for the M320 router. The serial number ID label is located on the power supply faceplate under the circuit breaker switch.

Figure 102: M320 Router AC and DC Power Supply Serial Number ID Label

Figure 103 shows the location of the DC power supply serial number ID label for the T320 router. The serial number ID label is located on the left side of the power supply faceplate.

Figure 103: T320 Router DC Power Supply Serial Number ID Label

Figure 104 shows the location of the DC power supply serial number ID label for the T640 routing node. The serial number ID label is located on the left side of the power supply faceplate.

Figure 104: T640 Routing Node DC Power Supply Serial Number Label