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| address | size | name | hex value | decoded value | description |
|---|---|---|---|---|---|
| BASE ID FIELDS (SFF-8472) | |||||
| 0 | 1 | Identifier | Type of transceiver | ||
| 1 | 1 | Ext identifier | Additional information about the transceiver | ||
| 2 | 1 | Connector | Type of media connector | ||
| 3-10 | 8 | Transceiver | Code for optical compatibility | ||
| 11 | 1 | Encoding | High speed serial encoding algorithm | ||
| 12 | 1 | Signaling Rate, Nominal | Nominal signaling rate | ||
| 13 | 1 | Rate Identifier | Type of rate select functionality | ||
| 14 | 1 | Length (SMF,km) | Link length supported for single-mode fiber, units of km | ||
| 15 | 1 | Length (SMF) | Link length supported for single-mode fiber, units of 100 m | ||
| 16 | 1 | Length (50 um, OM2) | Link length supported for 50 um OM2 fiber, units of 10 m | ||
| 17 | 1 | Length (62.5 um, OM1) | Link length supported for 62.5 um OM1 fiber, units of 10 m | ||
| 18 | 1 | Length copper cable | Link length supported for copper or direct attach cable, units of m | ||
| 19 | 1 | Length (50 um, OM3) | Link length supported for 50 um OM3 fiber, units of 10 m | ||
| 20-35 | 16 | Vendor name | SFP vendor name (ASCII) | ||
| 36 | 1 | Transceiver | Code for optical compatibility | ||
| 37-39 | 3 | Vendor OUI | SFP vendor IEEE company ID | ||
| 40-55 | 16 | Vendor PN | Part number provided by SFP vendor (ASCII) | ||
| 56-59 | 4 | Vendor rev | Revision level for part number provided by vendor (ASCII) | ||
| 60-61 | 2 | Wavelength | Laser wavelength | ||
| 62 | 1 | Fibre Channel Speed 2 | Transceiver's Fibre Channel speed capabilities | ||
| 63 | 1 | CC_BASE | Check code for Base ID Fields (addresses 0 to 62) | ||
| EXTENDED ID FIELDS (SFF-8472) | |||||
| 64-65 | 2 | Options | Indicates which optional transceiver signals are implemented | ||
| 66 | 1 | Signaling Rate, max | Upper signaling rate margin, units of % | ||
| 67 | 1 | Signaling Rate, min | Lower signaling rate margin, units of % | ||
| 68-83 | 16 | Vendor SN | Serial number provided by vendor (ASCII) | ||
| 84-91 | 8 | Date code | Vendor's manufacturing date code | ||
| 92 | 1 | Diagnostic Monitoring Type | Indicates which type of diagnostic monitoring is implemented | ||
| 93 | 1 | Enhanced Options | Indicates which optional enhanced features are implemented | ||
| 94 | 1 | SFF-8472 Compliance | Indicates which revision of SFF-8472 the transceiver complies with | ||
| 95 | 1 | CC_EXT | Check code for the Extended ID Fields (addresses 64 to 94) | ||
| VENDOR SPECIFIC FIELDS | |||||
| 96-127 | 32 | Vendor data | Vendor specifc data (ASCII) | ||
| 128-255 | 128 | Reserved | Reserved | ||
| EXTRA EEPROM FIELDS | Not exposed to I2C interface | ||||
| 256-639 | 384 | Reserved | Reserved |