Finisar AN-2030 - Manual (Page 3)

AN-2030: Digital Diagnostic Monitoring Interface for Optical Transceivers
F i n i s a r
9/26/02 Revision D Page 3
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Figure 3.1: Digital Diagnostic Memory Map 2
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Specific Data Field Descriptions
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The information in italics in Table 3.1 indicates fields that are specific to the digital
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diagnostics functions. 41
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2 wire address 1010000X (A0h) 2 wire address 1010001X (A2h)
0
95
127
255
Serial ID Defined by
SFP MSA (96 bytes)
Vendor Specific
(32 bytes)
Reserved in SFP
MSA (128 bytes)
0
55
95
Alarm and Warning
Thresholds (56 bytes)
Cal Constants
(40 bytes)
119
Real Time Diagnostic
Interface (24 bytes)
247
User Writable
EEPROM (120 bytes)
Control Functions (8 bytes)
255
127
Password Entry (8 bytes)