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CarMD OBD-ii Location API
Looking to offer OBD-ii location images with your product?
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CarMD APIs provide data on vehicle maintenance, future breakdowns, fixes for vehicle issues, TSBs, safety recalls, and warranty information. Try it out for free today.

PCIe slots are used to connect graphics cards, sound cards, other interface cards and some SSDs to PC motherboards. This video explains everything you need t. The USBPLATE 2 Port USB A Slot Plate converts the USB pins from most AT style Pentium (and newer) motherboards to 2 standard USB A-Style ports. The plate can be mounted on the rear panel of a computer case, adding two USB A female ports for simple connection to USB peripheral devices.

What is an OBD Port?
The OBD Port, is the location where you can plug in any OBD tool into the vehicle to pull vehicle information. It is also the primary location of tracking devices such as dongles as the port provides ongoing power to the device. There are two generations of OBD ports, OBD1 and OBD-ii aka OBD2. To determine which one you have, if your vehicle was built and sold in the US after January 1st, 1996 you will have an OBD 2 port.
This service will allow you to find the OBD2 port location.

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VIN Decoder (view API)
Get the year make model and engine type of a VIN.

OBD Port Locator (view API)
Get the location to your OBD port.
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Vehicle API Descriptions
Click the link above to view a list with descriptions of all the CarMD APIs.
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In Gigabit Ethernet applications, either SFP port, RJ45 port or GBIC port is used in different Gigabit devices, such as switches, routers, servers and storages. And some latest wireless access points (APs) are also equipped with SFP port. Since all these three port types only support 1Gbit and do not go any higher, why are they created instead of using only one type?

SFP Port vs. GBIC Port: An Improvement in Dimension

SFP port and GBIC port can be found in a variety of equipment, including Ethernet switches, routers, network interface cards, servers, etc. Today most Ethernet switches are designed with as least one or two Gigabit SFP uplink slots. What is SFP port? As the name implies, SFP port is intended for taking in SFP (mini-GBIC) fiber modules with small form-factor (SFF) connectors, while GBIC port is for accepting GBIC modules.

The two types of ports can provide the same data rates and same distances in Gigabit applications, but the same number of SFP ports uses less space than that of GBIC ports. Since they have the equal functionality, SFP has gradually taken the place of the older GBIC in Gigabit networking for space-saving and economical reasons. The table below is a comparison of SFP port vs. GBIC port.

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If you want to know more about the SFP types that the SFP port support and their detailed specifications, such as wavelengths and distances, you can read: How Many Types of SFP Transceivers Do You Know.

SFP vs. RJ45 port: Distance Makes Difference

The RJ45 ports in Gigabit networking devices follow the 1000BASE-T Ethernet standard. They only support twisted pairs for network connections, and the distance is limited to 100 m (330 feet). RJ45 port uses Category 5/5e/6 and higher level copper Ethernet cables for 1Gbit transmission. Compared with switch using only RJ45 port, SFP port switch supports more types of communication cables and longer reaches of links. Here are the differences between SFP vs. RJ45 port.

Since most end-points at the customer’s are still using RJ45 port, in order to retaining the convenience of RJ45 port while providing the advantage of SFP network to customers, some switches include combo SFP/RJ45 ports. So users can choose to utilize either the SFP port or the RJ45 port at a time for short-distance connections.

What Is Dual-Rate SFP Port?

Unlike the combo SFP/RJ45 port which is actually a link shared by two different ports, a dual-rate SFP port is one single SFP slot that can be configured to support two different data rates. Generally a dual-rate SFP slot can set to be either 1G mode or 10G mode, i.e., an SFP module or an SFP+ module can be installed in it. But the actual data rate of the transmission depends on the mode being settled and the transceiver module being used. There are several cases:

• The dual-rate SFP slot is 10G activated, and an SFP+ module is installed; the interface is in 10G mode.
• The port is 10G activated, but an SFP module is installed; the interface is in 1G mode.
• The port is not 10G activated, but an SFP+ module is installed; the interface will be link down state.
• The port is not 10G activated, and an SFP module is installed; the interface is in 1G mode.

Summary

The three port types—SFP port, RJ45 port and GBIC port—are used in different networking equipment. The SFP port is now more commonly used than GBIC port since the former one provides the same function and is more compact. When SFP port vs. RJ45 port, SFP port supports connectivity through varieties of fiber cables and the copper twisted pairs, and a wide range of link distances, but RJ45 port accepts only twisted pair cables and a shorter distance. Since every thing has both two sides, it is not always the best to choose SFP slot. The two articles: GBIC vs SFP: When It’s Best to Use GBIC and When to Use SFP, and RJ45 vs SFP: Which Should I Use to Connect Two Switches, specifically discussed when to use which port/module type.

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