MITSUBISHI (OPTICAL DEVICES)
MF-27WXC Series
2.5Gbps SFP TRANSCEIVER MODULE
Table 1
Timing of control and status I/O
The timing of the control and status line are listed in below and Figure 1 to 7.
Parameter
Symbol Min Max Unit
Condition
TX_DISABLE Assert
Time from rising edge of TX_DISABLE to
Time
t_off
-
10
μs when the optical output falls below 10% of
nominal
TX_DISABLE Negate
Time from falling edge of TX_DISABLE to
Time
t_on
-
1
ms when the modulated optical output rises
above 90% of nominal
Time to Initialize,
From power on or negation of TX_FAULT
Including Reset of
t_init
-
300
ms using TX_DISABLE
TX_FAULT
TX_FAULT Assert
Time
T_fault
-
100
μs Time from fault to TX_FAULT on
TX_DISABLE to Reset T_reset
10
-
μs
Time TX_DISABLE must be held high to
reset TX_FAULT
RX_LOS Assert Time t_losson
-
100
μs Time from LOS state to RX_LOS Assert
RX_LOS Negate Time t_lossoff
-
100
μs
Time from non-LOS state to RX_LOS
de-assert
Serial ID Clock Rate
f_clock
-
100
kHz
-
Figure 1
Power on initialization of SFP transceiver, TX_DISABLE negated
Figure 2
Power on initialization of SFP transceiver, TX_DISABLE asserted
Figure 3
SFP TX_DISABLE timing during normal operation
UQ9-06-009 Ed:1.0 Date:10.Oct.2006
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