155M～2.67Gbps Spring-latch SFP Transceiver

15km transmission with monitoring function, RoHS compliant

June 11, 2007

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Page 5 of 10

93

1

Enhanced option

B0

Diagnostics (Optional Alarm/warning flags,

Soft TX_FAULT , Soft TX_LOS monitoring)

94

1

SFF-8472

02

Diagnostics (SFF-8472 Rev 9.4)

95

1

CC EXT

xx

Check sum of bytes 64 - 94

96—255

160

Vendor specific

Note: The “xx” byte should be filled in according to practical case. For more information, please refer to the

related document of SFF-8472 Rev 9.5.

Monitoring Specification

The digital diagnostic monitoring interface also defines another 256-byte memory map in EEPROM, which

makes use of the 8 bit address 1010001X (A2h). Please see Figure 1. For detail EEPROM information,

please refer to the related document of SFF-8472 Rev 9.5. The monitoring specification of this product is

described in Table 6

Figure 1, EEPROM Memory Map Specific Data Field Descriptions

Table 6 - Monitoring Specification

Parameter

Range

Accuracy

Calibration

*

Temperature Voltage

-10 to +80°C

±3°C

Internal

Voltage

3.0 to 3.6V

±3%

Internal

Bias Current

0 to 60 mA

±10%

Internal

TX Power

-6 to +1 dBm

±3dB

Internal

RX Power

-20 to 1dBm

±3dB

Internal

Recommended Host Board Power Supply Circuit

Figure 2 shows the recommended host board power supply circuit.