HFBR-57L5AP Datasheet, PDF (13/18 Pages) AVAGO TECHNOLOGIES LIMITED – Digital Diagnostic SFP 850 nm Transceiver for Fibre Channel 1.0625 Gb/s and Ethernet 1.25 Gb/s

V_CC > 2.97 V
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t-init: TX DISABLE NEGATED
t_init
V_CC > 2.97 V
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
INSERTION
t_init
t-init: TX DISABLE NEGATED, MODULE HOT PLUGGED
V_CC > 2.97 V
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t-init: TX DISABLE ASSERTED
t_init
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t_off
t_on
t-off & t-on: TX DISABLE ASSERTED THEN NEGATED
OCCURANCE OF FAULT
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
t_fault
t-fault: TX FAULT ASSERTED, TX SIGNAL NOT RECOVERED
OCCURANCE OF FAULT
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
* CANNOT READ INPUT...
t_reset
t_init*
t-reset: TX DISABLE ASSERTED THEN NEGATED, TX SIGNAL RECOVERED
OCCURANCE OF FAULT
Tx_FAULT
Tx_DISABLE
TRANSMITTED SIGNAL
* SFP SHALL CLEAR Tx_FAULT IN
t_init IF THE FAILURE IS TRANSIENT
t_fault
t_reset
t_init*
t-fault: TX DISABLE ASSERTED THEN NEGATED,
TX SIGNAL NOT RECOVERED
OPTICAL SIGNAL
OCCURANCE
OF LOSS
LOS
t_loss_on
t-loss-on & t-loss-off
t_loss_off
Figure 5. Transceiver Timing Diagrams (Module Installed except where noted)
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