SFP-GSS-SP0250-LRT
The LYCOM Technologies SFP-GSS-SP0250-LRT is a single-Channel, Pluggable, Fiber-Optic SFP28 for 25 Gigabit Ethernet and CPRI Option 10 Applications. It is a high performance module for short-range data communication and interconnect applications which operate at 25.78125 Gbps up to 10km. This module is designed to operate over single mode fiber systems using a nominal wavelength of 1310nm. The electrical interface uses a 20 contact edge type connector. The optical interface uses duplex LC receptacle. This module incorporates LYCOM Technologies proven circuit and technology to provide reliable long life, high performance, and consistent service.
SFP-GSS-SP0250-LRT
Hot-pluggable SFP28 form factor
Supports 25Gbps data rate
Maximum link length of 10km
1310nm DFB laser and PIN photo-detector
Internal CDR on both Transmitter and Receiver channel
Duplex LC receptacle
Single 3.3V power supply
Power dissipation < 1.2W
RoHS 2.0 compliant (2011/65/EU, lead free)
Industrial case temperature range: -40°C to 85°C
Pin Descriptions
| PIN |
Logic |
Symbol |
Name / Description |
Note |
| 1 |
|
VeeT |
Module Transmitter Ground |
1 |
| 2 |
LVTTL-O |
TX_Fault |
Module Transmitter Fault |
2 |
| 3 |
LVTTL-I |
TX_Dis |
Transmitter Disable; Turns off transmitter laser output |
|
| 4 |
LVTTL-I/O |
SDA |
2-Wire Serial Interface Data Line |
2 |
| 5 |
LVTTL-I |
SCL |
2-Wire Serial Interface Clock |
2 |
| 6 |
|
MOD_ABS |
Module Definition, Grounded in the module |
|
| 7 |
LVTTL-I |
RS0 |
Receiver Rate Select |
|
| 8 |
LVTTL-O |
RX_LOS |
Receiver Loss of Signal Indication Active LOW |
|
| 9 |
LVTTL-I |
RS1 |
Transmitter Rate Select (not used) |
|
| 10 |
|
VeeR |
Module Receiver Ground |
1 |
| 11 |
|
VeeR |
Module Receiver Ground |
1 |
| 12 |
CML-O |
RD- |
Receiver Inverted Data Output |
|
| 13 |
CML-O |
RD+ |
Receiver Data Output |
|
| 14 |
|
VeeR |
Module Receiver Ground |
1 |
| 15 |
|
VccR |
Module Receiver 3.3 V Supply |
|
| 16 |
|
VccT |
Module Receiver 3.3 V Supply |
|
| 17 |
|
VeeT |
Module Transmitter Ground |
1 |
| 18 |
CML-I |
TD+ |
Transmitter Non-Inverted Data Input |
|
| 19 |
CML-I |
TD- |
Transmitter Inverted Data Input |
|
| 20 |
|
VeeT |
Module Transmitter Ground |
1 |
Notes:
1. Module ground pins GND are isolated from the module case.
2. Shall be pulled up with 4.7K-10Kohms to a voltage between 3.15V and 3.45V on the host board.
Ordering Information:
| Part Number |
Product Description |
| SFP-SFP-GSS-SP0250-LRT |
25Gbps, 1310nm; SFP28, 10km, -40ºC ~ +85ºC |
