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MiRIC-E1, MiRIC-T1 Ver. 1.5 SFP MSA Standard 4-1

Chapter 4

API Reference

4.1 Introduction

This section describes MiRIC-E1, MiRIC-T1 management channel, management

protocol and management parameters.

The host accesses MiRIC-E1, MiRIC-T1 via the I

C channel in order to identify the

device and perform management.

Two types of messages are described:

• I

C message – in standard I

C frame structure

• Management message – the message structure the host sends to the MiRIC-E1,

MiRIC-T1 encapsulated in the I

C message

All address and values in this section are given in hexadecimal.

4.2 SFP MSA Standard

MiRIC-E1, MiRIC-T1 comply with the MSA standard and hence have the same I

mechanism. MiRIC-E1, MiRIC-T1 follow the basic parameter map as outlined by

the MSA (as based on SFF 8472).

Figure 4-1 describes the mapping of page A0 as

seen by the host equipment.

MiRIC-E1, MiRIC-T1 identification parameters reside in page A0.

255

2 wire address 10100000 (A0h)

Serial ID Defined by

SFP MSA (96 bytes)

Vendor Specific

(32 bytes)

Reserved for SFP8079

(128 bytes)

127

Figure 4-1. Page A0 mapping

As shown above, the second sector, addresses 0x60-0x7F are reserved for vendor

specifics. MiRIC-E1, MiRIC-T1 uses these addresses for configuration, diagnostic,

and status monitoring parameters.

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RAD Data comm T1 Spécifications Page 19