2. Introduction and Overview

2.1. Introduction

Thank you for purchasing an Automotive Ethernet SFP Module from Intrepid Control Systems (ICS). It is a simple and cost effective way to add a 100/1000BASE-T1 port to any SFP enabled Intrepid device. It can also be used with many consumer products if proper configuration of the consumer product is possible.

2.1.1. Product Features

Intrepid currently offers two versions of 100/1000BASE-T1 SFPs based on two different PHYs. The chart below summarizes the common and unique features of each.

88Q2112

88Q2221M

Supports both 100/1000Base-T1 speeds with optional Auto-Negotiation

Y

Y

For use with Intrepid products having SFP interfaces

Y

Y

Compatible with many non-Intrepid products (with proper configuration)

Y

Y

Direct Read/Write access to PHY registers

Y

Y

User-selectable link modes: master, slave, and auto

Y

Y

Metal lock and latch system for reliable connection.

Y

Y

Fully metallic enclosure and stainless steel connector shielding for low EMI.

Y

Y

H-MTD SPE connector interface

Y

Y

ESD hardened for the automotive environment

Y

Y

TC10 Sleep/Wake Functionality

N

Y

MACsec Capability

N

Y

2.2. Operational Overview

The 100/1000BASE-T1 SFP Module is a device which exposes the SGMII interface of a 100/1000BASE-T1 PHY to be used by a host over the SFP interface. The SFP interface also supports I2C communication to an embedded processor that controls the PHY and can access PHY registers over MDIO.

_images/SFP-BlockDiagram.png

2.3. Package Contents

2.3.1. Hardware

The Intrepid 100/1000BASE-T1 SFP modules ship with no additional hardware or accessories. A shielded twisted-pair cable terminated with H-MTD connection systems is available for purchase to connect your SFP module to another device.

2.3.2. Software

The Intrepid 100/1000BASE-T1 SFP modules requires no software itself. It is configured and controlled through the SFP interface of another Intrepid device or by 3rd party software running on the device hosting the SFP module.

If the software of an Intrepid device intended to host the SFP module cannot be located, please contact Customer Support.

2.4. Hardware Requirements

2.4.1. Device Power

The voltage of the SFP interface is 3.3 VDC.

2.4.2. Computer Interface

There is no direct computer interface to the SFP module; it is hosted through an SFP interface of an Intrepid product or one integrated into a network device such as a switch, router, or PC network interface card. The pin assignment of the SFP interface is given later in this guide, as well as information needed to use the I2C interface to communicate with the module.