Ethernet - SFP Adapter
1000 Base-X, 2 fibers (LC) SM
This high performance media adapter can be connected to an Ethernet input of a CoaxData device to allow its access to an Ethernet signal through optical fiber.
Televes reserves the right to modify the product
- Switch Ethernet (ref. 769140, 769141, 769142, 769143, 769144 or 769145) compatible
- CoaxData Modem (ref. 769202) compatible
- WaveData Access Point (ref. 769002) compatible
- Small Form Pluggable (SFP) module
- 2 single-mode fibers (SM)
- Operating data rate of 1250 Mbps
- Duplex LC connector
- Up to 10 km transmission distance
- Differential LVPECL inputs and outputs
- TTL signal detect indicator
- Hot-pluggable capability
What is a SFP?
The Small Form-Factor Pluggable (SFP) devices are adapters that generate an interface to allow access to an Ethernet signal through Optical Fiber. These devices can be connected to the inputs of different Ethernet and GPON equipment, allowing the transmission/reception of the information by connecting to sigle-mode or multi-mode fiber or Ethernet cables.
Among the advantages of using SFP modules, we can highlight the reduction of space, lower energy consumption, or the increase of transmission distances.
Which SFP do I need?
Based on the devices to which they are connected, the transmission speed, or the type of cable used, several options are available in the whole range of media converters. The compatibility between the SPFs and the different Ethernet and GPON equipment is described below.
| Reference | 769520 | 769210 | 769212 | 769410 | 769411 | 769412 | 769413 | 831503 | 831505 | 831506 | |
| Models | |||||||||||
| ONU SFP Adapter 1000 Base-X (SC/APC) | Ethernet – SFP Adapter 1Gb, 2 fibers (LC/UPC) SM | Kit: 2 Ethernet – SFP Adapters 1Gb, 1 fiber (LC/UPC) SM | SFP Adapter for OLT equipment GPON B+, 1 fiber (SC/PC) | SFP Adapter for OLT equipment 1Gb, RJ45 connector | Ethernet – SFP+ Adapter 10Gb, 2 fiber (LC/UPC) | SFP Adapter for OLT equipment GPON C+, 1 Fiber (SC/PC) | Transceiver 1Gb, MMF (LC) | Transceiver 1Gb, RJ45 connector | Transceiver 1Gb, SMF (LC) | ||
| Compatible with Ethernet Switches: 769140 769141 769142 769143 769144 769145 | ✔ | ✔ | ✔ | - | - | ✔* | - | ✔ | - | - | |
| Compatible with Routers: 769111 | - | ✔ | ✔ | - | - | - | - | - | - | - | |
| Compatible with Switches for IPTV applications: 831401 831402 831403 831406 831426 | - | - | - | - | - | - | - | ✔ | ✔ | ✔ | |
| Compatible with GPON OLT modules: 769401 769420 769421 769422 | - | - | - | ✔ | ✔ | ✔ | ✔ | - | - | - | |
* Compatible with Ethernet switches with SFP+ ports: 769142, 769143 or 769145.
| Working Ratings | Units | Min. | Typ. | Max. |
| Power Supply Voltage | V | 3.13 | - | 3.46 |
| Working Temperature | °C (ºF) | -20 (-4) | - | +60 (+140) |
| Data Rate | Mbps | - | - | 1250 |
| Máximum distance | km (miles) | - | - | 10 (6.21) |
| Optical Transmitter | Units | Min. | Typ. | Max. |
| Center Wavelength Range | nm | 1260 | 1310 | 1360 |
| Spectral Width | nm | - | - | 4 |
| Differential Input Voltage | mV | 500 | - | 2400 |
| Optical Power Output | dBm | -9 | -5 | -3 |
| Optical Fall/RiseTime (20%~80%) | ps | - | - | 260 |
| TX Disable Output Voltage | V | 2.0 | - | Vcc |
| TX Fault Output Voltage | V | 2.0 | - | Vcc |
| Optical Receiver | Units | Min. | Typ. | Max. |
| Differential Output Voltage | mV | 400 | - | 1600 |
| Optical Receiver Sensitivity | dBm | - | - | -19 |
| Maximum input optical power | dBm | -3 | - | - |
| Receiver loss of signal (LOS) voltage | V | 2 | - | - |
| Signal detect range | dBm | -35 | - | -20 |
| Signal detect hysteresis | dB | 0.5 | - | 6 |
The GPON standard (providing services to the users) is defined by its class (A, B, C, B+, and C+). They differ in the transmitting power and the receiving sensitivity. Most common classes B+ (OLT/ONT) powers lie in the 1.5 dBm - 5 dBm / 0.5 dBm - 5 dBm ranges respectively. Receiving sensitivities <28 dBm / <27dBm respectively. Most common classes C+ (OLT/ONT)powers lie in the 3 dBm - 7 dBm / 0.5 dBm - 5 dBm ranges respectively. Receiving sensitivities <32 dBm / <30 dBm respectively.
The Ethernet standard (data sharing) was developed in order to share information among multiple devices with large capacity. This type of network does not have fixed transmission speeds and wavelengths like GPON networks. One of the most popular standards for Gigabit Ethernet (1000 Mbits) over optical fibre is 1000BASE-LX (1260 nm... 1360 nm,up to 10 km, single mode). For 10 Gigabit Ethernet the most popular standard is 10GBASE-LR (1310 nm, up to 10 km, single mode). In addition, most popular standards for twisted pair (up 100 m) are 1000BASE-T (CAT5, CAT5e or CAT6), and 1000BASE-TX (CAT6 or CAT7).
There was a need to create a device capable of sending/receiving and managing information from a single equipment called transceiver. The most widely used format is SFP (Small Form-factor Pluggable).
Currently, Televes provides two SFP for Gigabit Ethernet (fibre and twisted pair), one SFP+ for 10Gigabit Ethernet (fibre), and two SFP for GPON:
Ref. 769210, 1000BASE-LX, 1310 nm, SMF double LC/PC connector
Ref. 769412, 10GBASE-LR/LW, 1310 nm, SMF double LC/PC connector
Ref. 769411, 1000BASE-T, RJ45 connector
