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參數(shù)資料
| 型號： | LCP-1250B4WDRH |
| 廠商： | Delta Electronics, Inc. |
| 英文描述： | RoHS Compliant Single Mode SFP Transceiver for GbE and Fiber Channel |
| 中文描述： | 符合RoHS單模SFP收發(fā)器通道的千兆以太網(wǎng)和光纖 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 257K |
| 代理商： | LCP-1250B4WDRH |
DELTA ELECTRONICS, INC.
5
Aug., 2006
Rev. 6A
www.deltaww.com
Pin Function Definitions
Pin Num.
1
2
Name
VeeT
TX Fault
Function
Plug Seq.
1
3
Notes
Transmitter Ground
Transmitter Fault Indication
Note 1
Note 2
Module disables on high or open
Note 3, 2 wire serial ID interface
Note 3, 2 wire serial ID interface
Note 3, Grounded in Module
Function not available
Note 4
Note 5
Note 5
Note 5
Note 6
Note 7
Note 5
3.3 ± 5%, Note 7
3.3 ± 5%, Note 7
Note 5
Note 8
Note 8
Note 5
3
TX Disable
Transmitter Disable
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MOD-DEF2
MOD-DEF1
MOD-DEF0
Rate Select
LOS
VeeR
VeeR
VeeR
RD-
RD+
VeeR
VccR
VccT
VeeT
TD+
TD-
VeeT
Module Definition 2
Module Definition 1
Module Definition 0
Not Connect
Loss of Signal
Receiver Ground
Receiver Ground
Receiver Ground
Inv. Received Data Out
Received Data Out
Receiver Ground
Receiver Power
Transmitter Power
Transmitter Ground
Transmit Data In
Inv. Transmit Data In
Transmitter Ground
3
3
3
3
3
1
1
1
3
3
1
2
2
1
3
3
1
Plug Seq.: Pin engagement sequence during hot plugging.
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 (see Section IV for further
details). 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
differential lines which
should be terminated with 100
(differential) at the user SERDES. The AC coupling is done inside the
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