HFBR-59L1AL Datasheet, PDF (13/16 Pages) Agilent(Hewlett-Packard) – Agilent HFBR-59L1AL 1.25 GBd Ethernet and 1.0625 GBd Fibre Channel 850 nm SFF Low Voltage (3.3 V) Optical Transceiver

VCC > 2.97 V
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t-init: TX DISABLE DE-ASSERTED
t_init
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t_off
t_on
t-off & t-on: TX DISABLE ASSERTED THEN NEGATED
VCC > 2.97 V
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t-init: TX DISABLE ASSERTED
t_init
OCCURANCE OF FAULT
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
* SFP SHALL CLEAR TX_FAULT IN ^t_reset
< t_init IF THE FAILURE IS TRANSIENT
t_init*
t-reset: TX DISABLE ASSERTED THEN NEGATED, TX SIGNAL RECOVERED
OPTICAL SIGNAL
Rx_SD
t_loss_on
OCCURANCE
OF LOSS
t-loss-on & t-loss-off
Figure 5. Transceiver timing diagrams.
t_loss_off
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