參數(shù)資料
型號: AFCT-57V6USZ
元件分類: 光收發(fā)
英文描述: FIBER OPTIC TRANSCEIVER, 1270-1600nm, 1250Mbps(Tx), 1250Mbps(Rx), BOARD/PANEL MOUNT, LC CONNECTOR
封裝: ROHS COMPLIANT, DIP-20
文件頁數(shù): 5/22頁
文件大?。?/td> 508K
代理商: AFCT-57V6USZ
13
Table 13. Diagnostic Parameters
Diagnostic Parameter
Range
LSB
Accuracy
Address
Note
Min.
Max.
Transceiver Temperature
(Temp)
-15[C]
+105[C]
1/256[C]
±3[C]
96-97
A 16 bit signed twos
complement value
Supply Voltage
(Voltage)
+2.97[V]
+3.63[V]
100[V]
±3[%]
98-99
A 16 bit unsigned integer
TX Bias Current
(Bias)
0[mA]
+95[mA]
2.0[A]
±10[%]
100-101
A 16 bit unsigned integer
TX Optical Output Power
(TX Power)
-2[dBm]
+7[dBm]
0.1[W]
±3[dB]
102-103
A 16 bit unsigned integer
RX Optical Input Power
(RX Power)
-25[dBm] +3[dBm]
0.1[W]
±3[dB]
104-105
A 16 bit unsigned integer
Table 14. Alarm and Warning Thresholds
Parameter
Unit
Warning
Alarm
Low
High
Low
High
Transceiver Temperature
C
-10
+85
-20
+95
Supply Voltage
V
+2.97
+3.63
+2.8
+3.8
TX Bias Current
mA
5
95
3
105
TX Optical Output Power
dBm
0
+5
-2
+7
RX Optical Input Power
dBm
-24
-3
-25
-1
Digital Diagnostic Monitoring
2 wire serial bus address 1010001X (A2h) is used to access
measurement of transceiver temperature, internally mea-
sured supply voltage, TX bias current, TX optical output
power and RX optical input power which are shown in
Table 13. Each diagnostic parameter has a corresponding
high alarm, low alarm, high warning and low warning
threshold which are shown in Table 14. Alarm flags indi-
cate conditions likely to be associated with an inopera-
tional link and cause for immediate action. Warning flags
indicate conditions outside the normally guaranteed
bounds but not necessarily causes of immediate link fail-
ures. It is recommended that detection of an asserted flag
bit should be verified by a second read of the flag at least
100 msec later. The detail contents of the 2 wire address
A2h are shown in Table 15 to 21.
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