Development *** THIS IS NOT A FINAL DRAFT *** SFF-8472 Rev 10.4
Diagnostic Monitoring Interface for Optical Transceivers Page 8
Table 3.1 Two-wire interface ID: Data Fields – Address A0h
Data
Address
Size
(Bytes)
Name of
Field
Description of Field
BASE ID FIELDS
0 1 Identifier Type of transceiver (see Table 3.2)
1 1 Ext. Identifier Extended identifier of type of transceiver (see Table 3.3)
2 1 Connector Code for connector type (see Table 3.4)
3-10 8 Transceiver Code for electronic or optical compatibility (see Table 3.5)
11 1 Encoding Code for high speed serial encoding algorithm (see Table 3.6)
12 1 BR, Nominal Nominal signalling rate, units of 100MBd.
13 1 Rate Identifier Type of rate select functionality (see Table 3.6a)
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 (50um) Link length supported for 50 um OM2 fiber, units of 10 m
17 1 Length (62.5um) Link length supported for 62.5 um OM1 fiber, units of 10 m
18 1 Length (cable) Link length supported for copper or direct attach cable, units of m
19 1 Length (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 electronic or optical compatibility (see Table 3.5)
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 (Passive/Active Cable Specification Compliance)
62 1 Unallocated
63 1 CC_BASE Check code for Base ID Fields (addresses 0 to 62)
EXTENDED ID FIELDS
64-65 2
Options Indicates which optional transceiver signals are implemented
(see Table 3.7)
66 1
BR, max Upper bit rate margin, units of %
67 1
BR, min Lower bit 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 (see Table 3.8)
92 1
Diagnostic
Monitoring Type
Indicates which type of diagnostic monitoring is implemented
(if any) in the transceiver (see Table 3.9)
93 1
Enhanced Options
Indicates which optional enhanced features are implemented
(if any) in the transceiver (see Table 3.10)
94 1
SFF-8472
Compliance
Indicates which revision of SFF-8472 the transceiver complies with.
(see Table 3.12)
95 1
CC_EXT Check code for the Extended ID Fields (addresses 64 to 94)
VENDOR SPECIFIC ID FIELDS
96-127 32
Vendor Specific Vendor Specific EEPROM
128-255 128
Reserved Reserved for SFF-8079