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參數(shù)資料
| 型號： | FWLF2519C1C59 |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1583-1598nm, 1250Mbps(Tx), 1250Mbps(Rx), SURFACE MOUNT, SFP CONNECTOR |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 291K |
| 代理商： | FWLF2519C1C59 |
FWLF2519C1Cxx Smart SFP Product Specification January 2011
F i n i s a r
Finisar Corporation January 2011 Rev C
Page 7
Pinout of Connector Block on Host equipment
Notes:
1. TX Fault is an open collector/drain output, which should be pulled up with a 4.7K–
10K
resistor on the host board. Pull up voltage between 2.0V and VccT, R+0.3V.
When high, output indicates a laser fault of some kind. Low indicates normal
operation. In the low state, the output will be pulled to < 0.8V.
2. TX disable is an input that is used to shut down the transmitter optical output. It is
pulled up within the module with a 4.7–10 K
resistor. Its states are:
Low (0 – 0.8V):
Transmitter on
(>0.8, < 2.0V):
Undefined
High (2.0 – 3.465V):
Transmitter Disabled
Open:
Transmitter Disabled.
3. Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a
4.7K – 10K
resistor on the host board. The pull-up voltage shall be VccT or VccR.
Mod-Def 0 is grounded by the module to indicate that the module is present
Mod-Def 1 is the clock line of two wire serial interface for serial ID
Mod-Def 2 is the data line of two wire serial interface for serial ID.
4. LOS (Loss of Signal) is an open collector/drain output, which should be pulled up
with a 4.7K – 10K
resistor. Pull up voltage between 2.0V and VccT, R+0.3V. When
high, this output indicates the received optical power is below the worst-case receiver
sensitivity (as defined by the standard in use). Low indicates normal operation. In the
low state, the output will be pulled to < 0.8V.
5. VeeR and VeeT may be internally connected within the SFP module.
6. RD-/+: These are the differential receiver outputs. They are AC coupled 100
VeeT
VeeR
TXFault
MOD -DEF(2)
(SDA)
MOD -DEF(1)
(SCL)
MOD -DEF(0)
Rate Select
LOS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
TX Disable
VeeT
VeeR
TD-
TD+
RD+
RD-
VccT
VccR
-
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VeeT
VeeR
TXFault
MOD -DEF(2)
(SDA)
MOD -DEF(1)
(SCL)
MOD -DEF(0)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
TX Disable
VeeT
VeeR
TD-
TD+
RD+
RD-
-
VccT
VccR
-
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VeeR
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