The EFT/ELT2/EGT accesses 10/100/1000 Mbit/s Ethernet services and supports the Ethernet private line (EPL) services.
The EFT/ELT2/EGT adopts the generic framing procedure (GFP), link access procedure-SDH (LAPS), or high level data link control (HDLC) protocol to encapsulate Ethernet frames. The mapping granularity is VC-12 and VC-3.
Table 1 provides the functions and features of the EFT/ELT2/EGT.
Function and Feature | EFT | ELT2 | EGT | |
---|---|---|---|---|
Number of FE electrical interfaces | 4 | - | - | |
Number of FE optical interfaces | - | 2 | - | |
Number of GE optical interfaces | - | - | 1 | |
Connector | RJ-45 | LC | LC | |
Interface type | 10/100BASE-T(X) | 100BASE-FX | 1000BASE-LX/SX | |
Working mode | FE electrical interface | Auto-negotiation 10M/100M full-duplex | - | - |
FE optical interface | - | 100M full-duplex | - | |
GE optical interface | - | - | Auto-negotiation 1000M full-duplex | |
VC-4 bandwidth on the SDH side | 2xVC-4 | 2xVC-4 | 2xVC-4 | |
Bound bandwidth | 6xVC-3, or 63xVC-12 + 3xVC-3 | 6xVC-3, or 63xVC-12 + 3xVC-3 | 6xVC-3, or 63xVC-12 | |
Number of VCTRUNKs | 4 | 2 | 1 | |
Layer 2 switching | - | - | - | |
VLAN | - | - | - | |
EVPL | - | - | - | |
EPL | Supported | Supported | Supported | |
EPLAN | - | - | - | |
EVPLAN | - | - | - | |
STP | - | - | - | |
GFP | Supported | Supported | Supported | |
LAPS | Supported | Supported | Supported | |
HDLC | Supported | Supported | Supported | |
LPT | Supported | Supported | Supported | |
Test frame | Supported | Supported | Supported | |
CAR | - | - | - | |
IGMP-SNOOPING | - | - | - | |
LCAS V2 protocol | Supported | Supported | Supported | |
Ethernet OAM | - | - | - | |
RMON | Supported | Supported | Supported |
In addition, the EFT/ELT2/EGT provides the following functions:
The technical specifications of the EFT/ELT2/EGT include the parameters specified for interfaces, dimensions, weight, and power consumption.
Table 1 lists the parameters specified for the electrical interfaces of the EFT.
Parameter | Value |
---|---|
Nominal bit rate | 10 Mbit/s, 100 Mbit/s |
Line code pattern | Manchester encoding signal (10 Mbit/s) or MLT-3 encoding signal (100 Mbit/s) |
Connector type | RJ-45 |
Specifications of the electrical interfaces | Complies with IEEE 802.3. |
Table 2 lists the parameters specified for the optical interfaces of the ELT2.
Parameter | Value | |
---|---|---|
Nominal bit rate | 100 Mbit/s | |
Line code pattern | NRZ | |
Type of optical interface | S-1.1 | Ie-1 |
Fiber type | Single-mode LC | Single-mode LC |
Central wavelength (nm) | 1310 | 1310 |
Maximum transmission distance (km) | 15 | 2 |
Launched optical power (dBm) | -15 to -8 | -19.5 to -14 |
Receiver sensitivity (dBm) | -31 | -29 |
Minimum overload (dBm) | -7 | -12 |
Table 3 lists the parameters specified for the optical interfaces of the EGT.
Parameter | Value | |
---|---|---|
Nominal bit rate | 1000 Mbit/s | |
Line code pattern | 8B/10B encoding signal | |
Type of optical interface | 1000BASE-LX | 1000BASE-SX |
Fiber type | Single-mode LC | Multi-mode LC |
Central wavelength (nm) | 1310 | 850 |
Maximum transmission distance (km) | 15 | 0.5 |
Launched optical power (dBm) | -9.5 to -3 | -9.5 to -2.5 |
Receiver sensitivity (dBm) | -20 | -17 |
Minimum overload (dBm) | -3 | 0 |
The mechanical specifications of the EFT are as follows:
The mechanical specifications of the ELT2 are as follows:
The mechanical specifications of the EGT are as follows:
The maximum power consumption of the EFT at room temperature (25°C) is 8 W.
The maximum power consumption of the EGT at room temperature (25°C) is 11 W.
Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.
Delivery Options | Estimated Delivery Time |
---|---|
![]() | 3-5 business days |
![]() | 3-5 business days |
![]() | 10-20 business days |
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