RoHS Compliant
OC-48/STM-16 Transceiver (LR-2)
RSP25SL2
Applications
SONET OC-48 / SDH STM-16
Gigabit Ethernet
1X / 2X Fiber Channel
Features
Description
OE Solutions’ Small Form Factor Pluggable
(SFP) transceivers are compatible with the Small
Form Factor Pluggable 20pin Multi-Source
Agreement (MSA). RSP25SL2 complies with
SONET OC-48 / SDH STM-16 standards,
Gigabit Ethernet as specified in IEEE 802.3 and
Fiber Channel FC-PI 13.0. It is also compliant
with SONET OC-12 and SONET OC-3 standards.
Digital diagnostics functions are available via the
2-wire serial bus specified in the SFF-8472
rev.10.4. The transmitter features ac-coupled
differential data inputs, and an LVTTL for Tx
disable input and Tx fault output. The receiver
features differential ac-coupled data outputs and
LVTTL for LOS (Loss of Signal) output. Circuit
ground is internally isolated from frame ground.
Up to 2.5Gb/s, 80Km optical data link
Compliant with SFP MSA
Digital diagnostic SFF-8472 compliant
Uncooled 1550nm DFB laser transmitter
APD receiver with DC-DC converter and
APD bias control circuit
Very low jitter
Metal package for lower EMI
Single power supply voltage : +3.3V
Low power dissipation
LC duplex connector
Three optional operating temperature ranges :
Option ST : 0°C to 70°C
Option ET : -10°C to 85°C
Option IT : -40°C to 85°C
www.oesolution.com
1
Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
1. General Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Unit
Notes
Vcc_max
0
-
4.0
V
-
Operating Voltage
Vcc
3.135
-
3.465
V
-
Total Current
Icc
-
-
300
mA
-
Operating Case Temperature
Top
-40
-
85
°C
1,2
Storage Temperature
Tst
-40
-
85
°C
-
Absolute Supply Voltage
Notes :
1. Measured on top side front center of SFP module.
2. There are three options of operating maximum temperature: Option ST: standard temperature from 0oC to
70oC, Option ET: extended temperature from -10oC to 85oC and Option IT: Industrial temperature from -40oC
to 85oC.
2. Transmitter Specifications (Over Operating Case Temperature Range, Vcc = 3.135V to 3.465V)
Electrical Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Unit
Notes
Rin
-
100
-
Ω
-
Vin,pp
100
-
500
mV
-
Tx Disable Voltage
Vd
2.4
-
V
-
Tx Enable Voltage
Ven
-
-
0.8
V
-
Optical Power
Pout
-2
-
3
dBm
1
Optical Extinction Ratio
ER
8.2
-
-
dB
2
λ
1480
-
1580
nm
-
Optical Rise/Fall Time
tr/tf
-
-
180
ps
3
Spectral Width (-20dB)
σ
-
-
1
nm
-
SMSR
-
-
30
dB
-
JTXp-p
-
-
0.07
UI
-
DP
-
-
2
dB
4
Input Differential Impedance
Single Ended Data Input Swing
Optical Characteristics
Optical Wavelength
Side Mode Suppression Ratio
Total Generated Transmitter Jitter
(peak-to-peak)
Dispersion Penalty (80km)
Notes :
1. Using 9/125 SMF
2. 9dB minimum for Gigabit Ethernet and Fiber Channel
3. Unfiltered, 20%~80% values
4. Measured with a PRBS of 223-1 at 2.5Gb/s and 1x 10-10 BER
Laser Safety: All transceivers in this datasheet are Class I Laser products per FDA/CDRH and IEC-825 standards.
They must be operated under specified operating conditions.
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
3. Receiver Specifications (Over Operating Case Temperature Range, Vcc = 3.135V to 3.465V)
Electrical Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Unit
Notes
Vout,pp
200
-
600
mV
-
tr/tf
-
-
180
ps
1
Average Rx Sensitivity@OC-48
RSENS1
-
-
-28
dBm
2
Average Rx Sensitivity@2X FC
RSENS2
-
-
-29
dBm
3
Average Rx Sensitivity@GbE
RSENS3
-
-
-29
dBm
3
Pmax
-7
-
-
dBm
-
λc
1260
-
1620
nm
-
LOS Assert
LOS_A
-42
-
-
dBm
-
LOS De-assert
LOS_D
-
-
-28
dBm
-
LOS Hysteresis
-
0.5
2
5
dB
-
Single Ended Data Output Swing
Data Output Rise/Fall Time
Optical Characteristics
Maximum Input Power
Optical Center Wavelength
Notes :
1. 20%~80% values
2. Measured with a PRBS of 223-1 at 1 x 10-10 BER and 8.2 dB extinction ratio
3. Measured with a PRBS of 27-1 at 1 x 10-12 BER, and 9.0 dB extinction ratio
4. Pin Descriptions
20
Tx GND
1
Tx GND
19
TD-
2
Tx Fault
18
TD+
3
Tx Disable
17
Tx GND
4
MOD-DEF(2)
16
VccT
5
MOD-DEF(1)
15
VccR
6
MOD-DEF(0)
14
Rx GND
7
Rate Select
13
RD+
8
LOS
12
RD-
9
Rx GND
11
Rx GND
10
Rx GND
Top of Board
Bottom of Board
SFP Transceiver Electrical Pad Layout
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
5. Pin Descriptions (continued)
Plug Seq. *
1
Notes
Transmitter Fault Indication
3
2
Tx Disable
Transmitter Disable
3
3
4
MOD-DEF2
Module Definition 2
3
4
5
MOD-DEF1
Module Definition 1
3
4
6
MOD-DEF0
Module Definition 0
3
4
7
Rate-Select
No User Connection
3
5
8
LOS
Los of Signal
3
6
9
Rx GND
Receiver Ground
1
1
10
Rx GND
Receiver Ground
1
1
11
Rx GND
Receiver Ground
1
1
12
RD-
Receiver Negative Data Out
3
-
13
RD+
Receiver Positive Data Out
3
-
14
Rx GND
Receiver Ground
1
1
15
VccR
Receiver Power
2
3.3V±5%
16
VccT
Transmitter Power
2
3.3V±5%
17
Tx GND
Transmitter Ground
1
1
18
TD+
Transmitter Positive Data In
3
-
19
TD-
Transmitter Negative Data In
3
-
20
Tx GND
Transmitter Ground
1
1
Pin
Symbol
Description
1
Tx GND
Transmitter Ground
2
Tx Fault
3
1
*Plug Seq. : Pin engagement sequence during hot plugging
Notes :
1. Circuit ground is internally isolated from frame ground. Tx GND and Rx GND may be internally isolated within the TRx
module.
2. Tx Fault is an open collector output that shall be pulled up with a 4.7kΩ ~ 10kΩ on the host board. Pull up voltage
between 2.0V and VccT + 0.3V. When high, output indicates a laser fault of some kind. When low, output indicates
normal operation. The LD output is not turned off in case of Tx Fault
3. Tx Disable is an input that is used to shut down the transmitter optical output. It is pulled up within the TRx with a
4.7kΩ ~ 10kΩ.
4. MOD-DEF 0, 1, 2 are the SFP module definition pins. They should be pulled up with a 4.7kΩ ~ 10kΩ on the host board.
The pull-up voltage shall be VccT.
MOD-DEF0 indicates that the module is present.
MOD-DEF1 is the clock line of 2-wire serial interface for serial ID
MOD-DEF2 is the data line of 2-wire serial interface for serial ID
5. OE Solutions RSP25SL2 SFP transceivers operate at SONET /SDH data rates, 1x and 2x Fiber Channel, Gigabit Ethernet
data rates, and respective protocols without active control.
6. LOS is an open collector output. Shall be pulled up with a 4.7kΩ ~ 10kΩ on host board. Pull up voltage between 2.0 and
VccR+0.3. Logic 0 indicates normal operation.
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
6. Outline Drawings
Dimensions are in millimeters (inches)
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
7. PCB layout and Bezel recommendation
Dimensions are in inches (millimeters)
Notes :
1. Datum and basic dimensions established by customer
2. Pads and vias are chassis ground, 11 locations
3. Thru holes, plating optional.
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
8. PCB layout and Bezel recommendation (continued)
Notes : Thru holes, plating optional.
Recommended Panel Opening
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
9. Power Supply Information
1 µH
VccT
0.1µ
µF
0.1
1µH
3.3V
VccR
0.1µ
0.1µF
10µ
10µF
0.1µ
0.1µF
10µ
10µF
HOST BOARD
SFP MODULE
Recommended Host Board Supply Filtering Network
PROTOCOL Vcc
1µH
3.3V
SFP MODULE
1µH
10µ
10µF
PROTOCOL Vcc
0.1µ
0.1µF
0.1µ
0.1µF
4.7kΩ
4.7kΩ - 10kΩ
10kΩ
VccT
4.7kΩ
Ω - 10kΩ
10kΩ
4.7k
Tx_Disable
Tx_Disable
Tx_Fault
Tx_Fault
TD+
0.1µ
0.1µF
100Ω
100Ω
TDPROTOCOL IC
VEET
SERDES IC
4.7kΩ
4.7kΩ - 10kΩ
10kΩ
10µ
10µF
0.1µ
0.1µF
RD+
100Ω
100Ω
RD-
LASER
DRIVER
0.1µ
0.1µF
VccR
0.1µ
0.1µF
0.1µ
0.1µF
PREAMP &
QUANTIZER
Rx_LOS
Rx_LOS
Rate_Select
3.3V
VEER
4.7kΩ
4.7kΩ 10kΩ
10kΩ
4.7kΩ
4.7kΩ 10kΩ
10kΩ
4.7kΩ
4.7kΩ 10kΩ
10kΩ
MOD_DEF 0
MOD_DEF 1
PLD/ PAL
MOD_DEF 2
SFP Host Board Schematic
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Rev. A.3, 04/01/2009
RSP25SL2 SFP Transceiver Product Specifications
10. Diagnostics
A2h address
Parameter
Calibration
Accuracy
o
Range
96-97
Temperature
External
+/- 3 C
Note 1
98-99
Vcc
External
+/- 3%
3.135 to 3.465
100-101
Tx bias
External
+/- 10%
Note 2
102-103
Tx power
External
+/- 3dB
-2 to 3dBm
104-105
Rx Power
External
+/- 3dB
-30 to -7dBm
Note: 1) Junction temperature of temperature sensing device.
2) Specified by nominal value
11. Ordering Information
Nominal
Wavelength
1550nm
Latch
Color
White
SONET/SDHSt
andards
LR-2/L-16.2
LR-2(80Km)
RSP25SL2-ET5
Operating
Temperature
0oC to 70oC
-10oC to 85oC
1550nm
White
LR-2/L-16.2
LR-2(80Km)
RSP25SL2-IT5
-40oC to 85oC
1550nm
White
LR-2/L-16.2
LR-2(80Km)
Model Name
RSP25SL2-ST5
Notes :
Distance1
1. The transmission distance shown is for classification, not specification per Telcordia GR-253-CORE/ ITU-T
Recommendation G-957.
Revision History
Date
Rev. #
Description
Author
02/24/2007
Rev. A.2
first release
MSPARK
04/01/2009
Rev. A.3
mechanical drawing updated
MSPARK
Contact Information:
OE Solutions Co. Ltd. (Korea)
Techno Park, 958-3, Daechon-Dong, Buk-Gu, Gwangju, Korea, 500-470.
Tel: +82-62-602-7813, Fax: +82-62-602-7639, www.oesolution.com .
HTU
UTH
OE Solutions America, Inc.
560 Sylvan Avenue, 1st Floor, Englewood Cliffs, NJ 07632
Tel: 201-568-1188 Fax:201-568-1177
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Rev. A.3, 04/01/2009