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AFBR-5705LZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
13
Table 8. Transceiver SOFT DIAGNOSTIC Timing Characteristics
Notes:
1. Time from rising edge of TX_DISABLE to when the optical output falls below 10% of nominal.
2. Time from falling edge of TX_DISABLE to when the modulated optical output rises above 90% of nominal.
3. Time from power on or falling edge of Tx_Disable to when the modulated optical output rises above 90% of nominal.
4. From power on or negation of TX_FAULT using TX_DISABLE.
5. Time TX_DISABLE must be held high to reset the laser fault shutdown circuitry.
6. Time from loss of optical signal to Rx_LOS Assertion.
7. Time from valid optical signal to Rx_LOS De-Assertion.
8. Time from two-wire interface assertion of TX_DISABLE (A2h, byte 110, bit 6) to when the optical output falls below 10% of nominal. Measured from
falling clock edge after stop bit of write transaction.
9. Time from two-wire interface de-assertion of TX_DISABLE (A2h, byte 110, bit 6) to when the modulated optical output rises above 90% of nominal.
10. Time from fault to two-wire interface TX_FAULT (A2h, byte 110, bit 2) asserted.
11. Time for two-wire interface assertion of Rx_LOS (A2h, byte 110, bit 1) from loss of optical signal.
12. Time for two-wire interface de-assertion of Rx_LOS (A2h, byte 110, bit 1) from presence of valid optical signal.
13. From power on to data ready bit asserted (A2h, byte 110, bit 0). Data ready indicates analog monitoring circuitry is functional.
14. Time from power on until module is ready for data transmission over the serial bus (reads or writes over A0h and A2h).
15. Time from stop bit to completion of a 1-8 byte write command.
Parameter Symbol Minimum Maximum Unit Notes
Hardware TX_DISABLE Assert Time t_off 10 µs Note 1
Hardware TX_DISABLE Negate Time t_on 1 ms Note 2
Time to initialize, including reset of TX_FAULT t_init 300 ms Note 3
Hardware TX_FAULT Assert Time t_fault 100 µs Note 4
Hardware TX_DISABLE to Reset t_reset 10 µs Note 5
Hardware RX_LOS Assert Time t_loss_on 100 µs Note 6
Hardware RX_LOS De-Assert Time t_loss_off 100 µs Note 7
Software TX_DISABLE Assert Time t_off_soft 100 ms Note 8
Software TX_DISABLE Negate Time t_on_soft 100 ms Note 9
Software Tx_FAULT Assert Time t_fault_soft 100 ms Note 10
Software Rx_LOS Assert Time t_loss_on_soft 100 ms Note 11
Software Rx_LOS De-Assert Time t_loss_off_soft 100 ms Note 12
Analog parameter data ready t_data 1000 ms Note 13
Serial bus hardware ready t_serial 300 ms Note 14
Write Cycle Time t_write 10 ms Note 15
Serial ID Clock Rate f_serial_clock 400 kHz
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Table 9. Transceiver Digital Diagnostic Monitor (Real Time Sense) Characteristics
Parameter Symbol Min. Units Notes
Transceiver Internal Temperature T
INT
±3.0 ˚C Temperature is measured internal to the transceiver.
Accuracy Valid from = -40˚C to 85 ˚C case temperature.
Transceiver Internal Supply V
INT
±0.1 V Supply voltage is measured internal to the transceiver
Voltage Accuracy and can, with less accuracy, be correlated to
voltage at the SFP Vcc pin. Valid over 3.3 V ±5%.
Transmitter Laser DC Bias Current I
INT
±10 % I
INT
is better than ±10% of the nominal value.
Accuracy
Transmitted Average Optical P
T
±3.0 dB Coupled into 50/125 µm multi-mode fiber.
Output Power Accuracy 100 µW to 500 µW, avg.
Received Average Optical Input P
R
±3.0 dB Coupled from 50/125 µm multi-mode fiber.
Power Accuracy 31 µW to 500 µW, avg.
Valid from
Valid from
Figure 6. Transceiver timing diagrams (Module installed except where noted).
TX_FAULT
V
CC
> 3.15 V
t_init
TX_DISABLE
TRANSMITTED SIGNAL
t_init
TX_FAULT
V
CC
> 3.15 V
TX_DISABLE
TRANSMITTED SIGNAL
t-init: TX DISABLE NEGATED t-init: TX DISABLE ASSERTED
TX_FAULT
V
CC
> 3.15 V
t_init
TX_DISABLE
TRANSMITTED SIGNAL
t_off
TX_FAULT
TX_DISABLE
TRANSMITTED SIGNAL
t-init: TX DISABLE NEGATED, MODULE HOT PLUGGED t-off & t-on: TX DISABLE ASSERTED THEN NEGATED
INSERTION
t_on
TX_FAULT
OCCURANCE OF FAULT
t_fault
TX_DISABLE
TRANSMITTED SIGNAL
TX_FAULT
OCCURANCE OF FAULT
TX_DISABLE
TRANSMITTED SIGNAL
t-fault: TX FAULT ASSERTED, TX SIGNAL NOT RECOVERED t-reset: TX DISABLE ASSERTED THEN NEGATED, TX SIGNAL RECOVERED
t_reset
t_init*
* SFP SHALL CLEAR TX_FAULT IN
t_init IF THE FAILURE IS TRANSIENT
TX_FAULT
OCCURANCE OF FAULT
t_fault2
TX_DISABLE
TRANSMITTED SIGNAL
OCCURANCE OF LOSS
LOS
t-fault2: TX DISABLE ASSERTED THEN NEGATED,
TX SIGNAL NOT RECOVERED
NOTE: t_fault2 timing is typically 1.7 to 2 ms.
t-loss-on & t-loss-off
t_loss_on
t_init*
t_reset
* SFP SHALL CLEAR Tx_FAULT IN
t_init IF THE FAILURE IS TRANSIENT
t_loss_off
OPTICAL SIGNAL
15
Notes:
1. FC-PI speed 100 MBytes/sec is a serial bit rate of 1.0625 GBit/sec.
2. Link distance with 50/125µm cable at 1.25Gbps is 550m.
3. Link distance with 62.5/125µm cable at 1.25Gbps is 275m.
4. The IEEE Organizationally Unique Identifier (OUI) assigned to Avago Technologies is 00-17-6A (3 bytes of hex).
5. See Table 11 for part number extensions and data-fields.
6. Laser wavelength is represented in 16 unsigned bits. The hex representation of 850nm is 0352.
7. Addresses 63 and 95 are checksums calculated per SFF-8472 and SFF-8074, and stored prior to product shipment.
8. Addresses 68-83 specify the module’s ASCII serial number and will vary by unit.
9. Addresses 84-91 specify the module’s ASCII date code and will vary according to manufactured date-code.
Table 10. EEPROM Serial ID Memory Contents, Page A0h
Byte # Data Byte # Data
Decimal Hex Notes Decimal Hex Notes
0 03 SFP physical device 37 00 Vendor OUI (Note 4)
1 04 SFP function defined by serial ID only 38 17 Vendor OUI (Note 4)
2 07 LC optical connector 39 6A Vendor OUI (Note 4)
3 00 40 41 "A" - Vendor Part Number ASCII character
4 00 41 46 "F" - Vendor Part Number ASCII character
5 00 42 42 "B" - Vendor Part Number ASCII character
6 01 43 52 "R" - Vendor Part Number ASCII character
7 20 Intermediate distance (per FC-PI) 44 2D "-" - Vendor Part Number ASCII character
8 40 Shortwave laser without OFC (open fiber control) 45 35 "5" - Vendor Part Number ASCII character
9 0C Multi-mode 50 m and 62.5 m optical media 46 37 "7" - Vendor Part Number ASCII character
10 01 100 Mbytes/sec FC-PI speed
[1]
47 30 "0" - Vendor Part Number ASCII character
11 01 Compatible with 8B/10B encoded data 48 Note 5
12 0C 1200Mbps nominal bit rate (1.25Gbps) 49 Note 5
13 00 50 Note 5
14 00 51 Note 5
15 00 52 20 " " - Vendor Part Number ASCII character
16 37 550m of 50/125µm fiber @ 1.25Gbps (Note 2) 53 20 " " - Vendor Part Number ASCII character
17 1B 275m of 62.5/125µm fiber @ 1.25Gbps (Note 3 54 20 " " - Vendor Part Number ASCII character
18 00 55 20 " " - Vendor Part Number ASCII character
19 00 56 20 " " - Vendor Revision Number ASCII character
20 41 'A' - Vendor Name ASCII character 57 20 " " - Vendor Revision Number ASCII character
21 56 "V" - Vendor Name ASCII character 58 20 " " - Vendor Revision Number ASCII character
22 41 "A" - Vendor Name ASCII character 59 20 " " - Vendor Revision Number ASCII character
23 47 "G"- Vendor Name ASCII character 60 03 Hex Byte of Laser Wavelength (Note 6)
24 4F "O" - Vendor Name ASCII character 61 52 Hex Byte of Laser Wavelength (Note 6)
25 20 " " - Vendor Name ASCII character 62 00
26 20 " " - Vendor Name ASCII character 63 Checksum for bytes 0-62 (Note 7)
27 20 " " - Vendor Name ASCII character 64 00
28 20 " " - Vendor Name ASCII character 65 1A Hardware SFP TX_DISABLE, TX_FAULT,
& RX_LOS
29 20 " " - Vendor Name ASCII character 66 00
30 20 " " - Vendor Name ASCII character 67 00
31 20 " " - Vendor Name ASCII character 68-83 Vendor Serial Number, ASCII (Note 8)
32 20 " " - Vendor Name ASCII character 84-91 Vendor Date Code, ASCII (Note 9)
33 20 " " - Vendor Name ASCII character 92 Note 5
34 20 " " - Vendor Name ASCII character 93 Note 5
35 20 " " - Vendor Name ASCII character 94 Note 5
36 00 95 Checksum for bytes 64-94 (Note 7)
96 - 255 00
1000BaseSX
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AFBR-5705LZ

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Fiber Optic Transmitters, Receivers, Transceivers Transceive
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