Power supply control for pluggable modules in a networking node
In one embodiment, a computing device detects a module that is inserted into a first slot. The computing device includes a first slot to operate with a first type of module and a second slot to operate with a second type of module. The first slot and the second slot include a same pin position for receiving a power supply pin from the first type of module and the second type of module. The module is communicated with to determine whether the module is the first type of module or the second type of module. The first type of module receives a first type of signal that is combined with a second type of signal from the second type of module. The computing device adjusts a power supply voltage to the power supply pin of the first slot from a first value to a second value when the first type of module is detected.
1. A method comprising:
detecting, by a computing device that includes a first slot and a second slot, a module that is inserted into the first slot of the computing device, wherein the first slot is configured to operate with a first type of module and the second slot is configured to operate with a second type of module, the first slot and the second slot including a same pin position for receiving a power supply pin from the first type of module and the second type of module;
communicating, by the computing device, with the module to determine whether the module is the first type of module or the second type of module, the first type of module configured to receive a first type of signal that is combined with a second type of signal from the second type of module at the computing device; and
adjusting, by the computing device, a power supply voltage to the power supply pin of the first slot from a first value to a second value when the first type of module is detected.
2. The method of claim 1 , further comprising:
setting the power supply voltage to the first value before detecting the module being inserted into the first slot.
3. The method of claim 1 , wherein the first value is a default value when no module is inserted into the first slot.
4. The method of claim 1 , further comprising:
detecting when the module is removed from the first slot of the computing device; and
changing the power supply voltage from the second value to the first value.
5. The method of claim 1 , wherein the first type of module and the second type of module have a same pin type arrangement.
6. The method of claim 1 , wherein the first type of module and the second type of module have the same pin layout dimensions.
7. The method of claim 1 , wherein the first type of module and the second type of module have a same packaging design.
8. The method of claim 1 , wherein the first slot and the second slot have a same pin type arrangement.
9. The method of claim 1 , wherein the first type of module uses a higher power supply voltage than the second type of module.
10. The method of claim 1 , wherein the first type of module uses a 5 volt power supply voltage and the second type of module uses a 3.3 volt power supply voltage.
11. The method of claim 1 , wherein:
the first type of module is configured to receive an analog signal; and
the second type of module is configured to receive a digital signal.
12. The method of claim 11 , wherein the computing device overlays the analog signal over an analog signal that is converted from the digital signal, and outputs the combined signal.
13. The method of claim 1 , wherein adjusting the power supply voltage comprises:
outputting a signal to a power supply to adjust the power supply voltage to the second value.
14. The method of claim 1 , wherein detecting the module is inserted comprises:
receiving a signal from a pin connected to the module indicating the module is inserted into the first slot.
15. The method of claim 1 , wherein communicating with the module comprises:
receiving a signal from the module indicating a device type; and
analyzing the signal to determine that the device type is the first type of module.
16. The method of claim 1 , wherein the first slot is not configured to operate with the second type of module and process the second type of signal.
17. A non-transitory computer-readable storage medium containing instructions that, when executed, control a computer system to be configured for:
detecting, in the computer system that includes a first slot and a second slot, a module that is inserted into the first slot of the computer system, wherein the first slot is configured to operate with a first type of module and the second slot is configured to operate with a second type of module, the first slot and the second slot including a same pin position for receiving a power supply pin from the first type of module and the second type of module;
communicating with the module to determine whether the module is the first type of module or the second type of module, the first type of module configured to receive a first type of signal that is combined with a second type of signal from the second type of module at the computer system; and
adjusting a power supply voltage to the power supply pin of the first slot from a first value to a second value when the first type of module is detected.
18. The non-transitory computer-readable storage medium of claim 17 , further configured for:
setting the power supply voltage to the first value before detecting the module being inserted into the first slot.
19. The non-transitory computer-readable storage medium of claim 18 , further configured for:
detecting when the module is removed from the first slot of the computing device; and
changing the power supply voltage from the second value to the first value.
20. An apparatus comprising:
one or more computer processors; and
a non-transitory computer-readable storage medium comprising instructions, that when executed, control the one or more computer processors to be configured for:
detecting, in the apparatus that includes a first slot and a second slot, a module that is inserted into the first slot of the apparatus, wherein the first slot is configured to operate with a first type of module and the second slot is configured to operate with a second type of module, the first slot and the second slot including a same pin position for receiving a power supply pin from the first type of module and the second type of module;
communicating with the module to determine whether the module is the first type of module or the second type of module, the first type of module configured to receive a first type of signal that is combined with a second type of signal from the second type of module at the apparatus; and
adjusting a power supply voltage to the power supply pin of the first slot from a first value to a second value when the first type of module is detected.