Product Features
<!--[if !supportLists]-->l <!--[endif]-->Up to 2.125Gbps data links
<!--[if !supportLists]-->l <!--[endif]-->550m,2km with 50/125µm 2000MHz MMF
<!--[if !supportLists]-->l <!--[endif]-->850nm VCSEL laser
<!--[if !supportLists]-->l <!--[endif]-->Digital Diagnostic Monitor DDM *
<!--[if !supportLists]-->l <!--[endif]-->Duplex LC Connector
<!--[if !supportLists]-->l <!--[endif]-->Hot-pluggable SFP footprint
<!--[if !supportLists]-->l <!--[endif]-->Single 3. 3V power supply Applications
<!--[if !supportLists]-->l <!--[endif]-->Operating temperature: Ref.to Ordering Info. √ 1.25Gbps 1000Base-SX
<!--[if !supportLists]-->l <!--[endif]-->RoHS √ 1G/2G Fiber Channel
1. Product Description
The XH-S8512-1LCD is small form factor pluggable (SFP) transceiver compatible with multi-sourcing agreement (MSA). It is suitable for multi-mode fiber (MMF) communications in 1G/2G Ethernet and 1.06Gbps Fiber Channel.
2. Regulatory Compliance
Handar transceivers are Class 1 Laser Products comply with FDA regulations. Meet Class 1 eye safety requirements of EN 60825 and the electrical safety requirements of EN 60950.
3. Absolute Maximum Ratings
Parameter | Symbol | Min. | Max. | Unit |
Supply Voltage | VCC | -0.5 | 3.6 | V |
Storage Temperature | TS | -40 | 85 | °C |
Operating Case Temperature | TC | Refer to Ordering Infomation |
4. Recommended Operating Conditions
Parameter | Symbol | Min. | Typical | Max. | Unit |
Operating Case Temperature | TC | Refer to Ordering Infomation |
Power Supply Voltage | VCC | 3.15 | 3.3 | 3.45 | V |
Power Supply Current | ICC | | | 200 | mA |
Data Rate | | | 2.125 | | GBps |
Max Link Length on 50/125µm 2000MHz MMF | Lmax | Refer to Ordering Infomation |
5. Optical Characteristics
Parameter | Symbol | Min. | Typical | Max. | Unit |
Transmitter |
Centre Wavelength | λc | 830 | 850 | 860 | nm |
Spectral Width (RMS) | σ | | | 1 | nm |
Average Output Power | Pout | -9 | | -3 | dBm |
Extinction Ratio | EX | 9 | | | dB |
Optical Rise/Fall Time | tr/tf | | | 250 | ps |
Receiver |
Centre Wavelength | λc | 780 | 850 | 860 | nm |
Receiver Sensitivity | PIN | | | -17 | dBm |
Receiver Overload | Pmax | 2 | | | dBm |
LOS De-Assert | LOSD | | | -20 | dBm |
LOS Assert | LOSA | -35 | | | dBm |
LOS Hysteresis | | 0.5 | | 4.5 | dB |
6. Electrical Characteristics
Parameter | Symbol | Min. | Typical | Max. | Unit |
Transmitter |
Input Differential Impedance | Zin | 90 | 100 | 110 | Ω |
Data Input Swing Differential | Vin | 500 | | 2400 | mV |
Tx-Dis Disable | Vd | 2.0 | | Vcc | V |
Tx-Dis Enable | Ven | 0 | | 0.8 | V |
TX-Fault (Fault) | | 2.0 | | Vcc+0.3 | V |
TX-Fault (Normal) | | 0 | | 0.8 | V |
Receiver |
Data Output Swing Differential | Vout | 370 | | 2000 | mV |
Rx-Los Fault | Vlf | 2.0 | | Vcc+0.3 | V |
Rx-Los Normal | Vln | 0 | | 0+0.8 | V |
7. Pin Descriptions
Pin | Symbol | Description | Ref. |
1 | VEET | Transmitter Ground (Common with Receiver Ground) | 6.1 |
2 | TFAULT | Transmitter Fault. Not supported. | |
3 | TDIS | Transmitter Disable. Laser output disabled on high or open. | 6.2 |
4 | MOD_DEF(2) | Module Definition 2. Data line for Serial ID. | 6.3 |
5 | MOD_DEF(1) | Module Definition 1. Clock line for Serial ID. | 6.3 |
6 | MOD_DEF(0) | Module Definition 0. Grounded within the module. | 6.3 |
7 | Rate Select | No connection required | |
8 | LOS | Loss of Signal indication. Logic 0 indicates normal operation. | 6.4 |
9 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
10 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
11 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
12 | RD- | Receiver Inverted DATA out. AC Coupled. | |
13 | RD+ | Receiver Non-inverted DATA out. AC Coupled. | |
14 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
15 | VCCR | Receiver Power Supply | |
16 | VCCT | Transmitter Power Supply | |
17 | VEET | Transmitter Ground (Common with Receiver Ground) | 6.1 |
18 | TD+ | Transmitter Non-Inverted DATA in. AC Coupled. | |
19 | TD- | Transmitter Inverted DATA in. AC Coupled. | |
20 | VEET | Transmitter Ground (Common with Receiver Ground) | 6.1 |
Notes:
6.1 Circuit ground is internally isolated from chassis ground.
6.2 Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.
6.3 Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V. MOD_DEF(0) pulls line low to indicate module is plugged in.
6.4 LOS is open collector output. Should be pulled up with 4.7k -10kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
8. EEPROM & DDM THRESHOLD
8.1 EEPROM
2 wire address 1010000X (A0h)
0~95 Serial ID Defined by SFP MSA (96 bytes) |
96~127 Vendor Speific (32 bytes) |
128~255 Reserved (128 bytes) |
EEPROM Serial ID Memory Contents
Add. | Size (Bytes) | Name of Field | Hex | Description |
BASE ID FIELDS |
0 | 1 | Identifier | 03 | SFP |
1 | 1 | Ext. Identifier | 04 | SFP function is defined by serial ID only |
2 | 1 | Connector | 07 | LC |
3-10 | 8 | Transceiver | 00 00 00 01 00 00 00 00 | Transmitter Code |
11 | 1 | Encoding | 01 | 8B/10B |
12 | 1 | BR, Nominal | 0D | 2.125Gbps |
13 | 1 | Reserved | 00 | |
14 | 1 | Length (9um) km | 00 | |
15 | 1 | Length (9um) km | 00 |
16 | 1 | OM2 Length (50um) m | 37/02 | 550m/2km |
17 | 1 | OM1 Length (62.5um) m | 1B | 270m |
18 | 1 | Length (Copper) | 00 | |
19 | 1 | OM3 Length (50um) m | 00 | |
20-35 | 16 | Vendor Name | 43 2D 4C 49 47 48 54 20 20 20 20 20 20 20 20 20 | * OEM available |
36 | 1 | Reserved | 00 | |
37-39 | 3 | Vendor OUI | 00 00 00 | * OEM available |
40-55 | 16 | Vendor PN | xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx | * OEM available |
56-59 | 4 | Vendor Rev | 30 31 20 20 | 01 |
60-61 | 2 | Wavelength | 03 52 | 850nm |
62 | 1 | Reserved | 00 | |
63 | 1 | CC_BASE | xx | Check Code for Base ID Field |
EXTENDED ID FIELDS |
64-65 | 2 | Options | 00 1A | Loss/ TX_Fault/ TX_Disable |
66 | 1 | BR, Max | 00 | |
67 | 1 | BR, Min | 00 | |
68-83 | 16 | Vendor SN | 43 4C xx xx xx xx xx xx xx xx xx 20 20 20 20 20 | SN of Transceiver (ASCII). Exp. “CLXXXXXXXXX” |
84-91 | 8 | Date Code | xx xx xx xx xx xx 20 20 | YY/MM/DD Exp. 120727 |
92 | 1 | Diagnostic Monitoring | 68 | XHSFP85GESXD /I |
XHSFP85GESXD-2K |
08 | XHSFP85GESX |
93 | 1 | Enhanced Options | 90 | XHSFP85GESXD/I |
XHSFP85GESXD-2K |
00 | XHSFP85GESX |
94 | 1 | SFF_8472 Compliance | 01 | XHSFP85GESXD/I |
XHSFP85GESXD-2K |
00 | XHSFP85GESX |
95 | 1 | CC_EXT | checksum | Checksum for Extened ID |
VENDOR SPECIFIC ID FIELDS |
96-127 | 32 | Vendor Specific | 20 20 20…… | Depends on Customer Info |
128-255 | 128 | Reserved | FF FF FF…… | Depends on Customer Info |
8.1 DDM THRESHOLD
| Low Alarm | Low Warn | High Warn | High Alarm |
Temperature | XH-S8512-1LCD | -10℃ | -5℃ | 75℃ | 80℃ |
XH-S8512-1LCD-I | -50℃ | -40℃ | 85℃ | 90℃ |
Voltage | 3V | 3.1V | 3.5V | 3.6V |
Tx Bias | 4mA | 5mA | 10.8mA | 11.8mA |
Tx Power | -13.5dBm | -9.5dBm | -3dBm | 0dBm |
Rx Power | -21dBm | -17dBm | 0dBm | 1dBm |
9. Recommend Circuit
10. Mechanical Specifications
ORDERING INFOMATION:
Part No. | Data Rate | DDM | Wave | Fiber Type | Dist. | Temp. | Optical Interface |
XH-S8512-1LCD | 2.125Gbps | yes | 850nm | MMF | 550m | -5~70℃ | LC |
XH-S8512-1LCD-I | 2.125Gbps | yes | 850nm | MMF | 550m | -40~85℃ | LC |
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