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PDF LCP-1250D Data sheet ( Hoja de datos )
| Número de pieza | LCP-1250D | |
| Descripción | RoHS Compliant Single Mode SFP Transceiver | |
| Fabricantes | Delta Electronics | |
| Logotipo |  |
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RoHS Compliant Single Mode SFP Transceiver for GbE and Fiber
Channel
FEATURES
z Compliant with SFP Transceiver SFF-8472
MSA specification with internal calibration
z Compliant with Specifications for IEEE
802.3z/Gigabit Ethernet
z Single + 3.3V Power Supply and TTL Logic
Interface
z EEPROM with Serial ID Functionality
z Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
z Duplex LC Connector interface
Description
Applications
The LCP-1250 series are hot pluggable 3ww.w3.DVataSheezt4U.cGomigabit Ethernet
Small-Form-Factor transceiver modules designed z Switch to Switch interface
expressly for high-speed communication
applications that require rates up to 1.25Gb/s.
The transceiver is data rate transparent, which
means it can support GbE (1.25Gb/s) as well as
1x Fiber channel (1.062Gb/s) operations
The LCP-1250 series are designed to be
compliant with SFP Multi-source Agreement
(MSA). Digital diagnostic monitoring functions
(Temperature, VCC, TX optical power, TX laser
bias current, and RX received optical power)
compliant with SFF-8472 are also available. See
order information for details.
The post-amplifier of the LCP-1250 series
also includes a Loss of Signal (LOS) circuit that
z Switched backplane applications
z File server interface
Performance
z LCP-1250B4Mxx: 1310nm DFB laser, 19dB link
budget (40km)
z LCP-1250D4Mxx: 1550nm DFB laser, 17dB link
budget (40km)
z LCP-1250D4Wxx: 1550nm DFB laser, 21dB link
budget (70km)
z LCP-1250D4Rxx: 1550nm DFB laser, 24dB link
budget (80km)
z LCP-1250D4Vxx: 1550nm DFB laser, 30dB link
budget (100km)
provides a TTL logic-high output when the
received optical level is below a preset LOS
Assert threshold.
DELTA ELECTRONICS, INC.
1
Aug., 2006
Rev. 6A
www.deltaww.com
1 page  
Pin Function Definitions
Pin Num.
1
2
Name
VeeT
TX Fault
Function
Transmitter Ground
Transmitter Fault Indication
Plug Seq.
1
3
3 TX Disable Transmitter Disable
3
4 MOD-DEF2 Module Definition 2
5 MOD-DEF1 Module Definition 1
6 MOD-DEF0 Module Definition 0
7 Rate Select Not Connect
8
LOS
Loss of Signal
9
VeeR
Receiver Ground
10
VeeR
Receiver Ground
11
VeeR
Receiver Ground
12 RD- Inv. Received Data Out
13
RD+
Received Data Out
14
VeeR
Receiver Ground
15
VccR
Receiver Power
16
VccT
Transmitter Power
17
VeeT
Transmitter Ground
18
TD+
Transmit Data In
19 TD- Inv. Transmit Data In
20
VeeT
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
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
Notes:
1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ 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 Ω 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 –
10KΩresistor 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 – 10KΩ
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 100Ω differential lines which
should be terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the
DELTA ELECTRONICS, INC.
5
Aug., 2006
Rev. 6A
www.deltaww.com
5 Page 
9) Byte 95: Check sum of bytes 64-94.
10) Byte 128 to 255 had been set hex 00.
Digital Diagnostic Monitoring Interface
Alarm and Warning Thresholds (2-Wire Address A2h)
Address
00-01
02-03
04-05
06-07
08-09
10-11
12-13
14-15
16-17
18-19
20-21
22-23
24-25
26-27
28-29
30-31
32-33
34-35
36-37
38-39
40-45
56-91
92-94
95
96-97
98-99
100-101
102-103
104-105
106-109
110
111
112-119
#
Bytes
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
16
36
3
1
2
2
2
2
2
4
1
1
8
Name
Temp High Alarm
Temp Low Alarm
Temp High Warning
Temp Low Warning
Voltage High Alarm
Voltage Low Alarm
Voltage High Warning
Voltage Low Warning
Bias High Alarm
Bias Low Alarm
Bias High Warning
Bias Low Warning
TX Power High Alarm
TX Power Low Alarm
TX Power High Warning
TX Power Low Warning
RX Power High Alarm
RX Power Low Alarm
RX Power High Warning
RX Power Low Warning
Reversed
External Calibration Constants
Reversed
Checksum
Real Time Temperature
Real Time Supply Voltage
Real Time Tx Bias Current
Real Time Tx Optical Power
Real Time Rx Received Power
Reserved
Optional Status/ Control Bits
Reserved
Optional Set of Alarm and Warning
Value (Dec.)
TC (MAX.)+15
TC (MIN.)
TC (MAX.)+10
TC (MIN.)+10
Vcc+5%
Vcc-5%
Vcc+3%
Vcc-3%
IOP*2+35
IOP-13
IOP *2+30
IOP –8
P+3
P-3
P+2
P-2
P0+3
PS-2
P0+2
PS
Unit
℃
Note
1
Volt
mA 2
dBm
3
dBm
4
5
6
7
Notes:
1) TC: Case Operating temperature
2) IOP: Operating current at room temperature. The min. setting current is 0 mA.
3) P: Operating optical power of transmitter at room temperature.
4) P0: Overload optical power of receiver
PS: Sensitivity optical power of receiver
DELTA ELECTRONICS, INC.
11
Aug., 2006
Rev. 6A
www.deltaww.com
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet LCP-1250D.PDF ] | |
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