Huawei LE2MGSC40DE0 GE eSFP BiDi Single-mode Optical Transceiver, TX1310/RX1490nm, 40km, LC

Part number LE2MGSC40DE0

Optical transceiver, eSFP
GE speed
Single-mode module (single-fiber bidirectional, BiDi)
TX1310/RX1490nm wavelength
Up to 40km distance
LC connector
Standard: 1000BASE-BX
Digital diagnostic monitoring (DDM) supported
Used in pairs with LE2MGSC40ED0

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Technical Specifications – LE2MGSC40DE0

Form Factor	eSFP
Application standard	1000BASE-BX
Connector type	LC
Optical fiber type	SMF
Working case temperature[°C(°F)]	0°C to 70°C (32°F to 158°F)
Digital diagnostic monitoring (DDM)	Supported
Transmission rate[bit/s]	1 Gbit/s
Target transmission distance[km]	Single-mode fiber: 40 km
Center wavelength[nm]	1490 nm (RX); 1310 nm (TX)
Maximum Tx optical power[dBm]	3.0
Minimum Tx optical power[dBm]	-2.0
Minimum extinction ratio[dB]	9
Rx sensitivity[dBm]	-23
Overload power [dBm]	-3.0
Note	Single-fiber bidirectional transmission is supported. Single-fiber bidirectional (BIDI) optical modules must be used in pairs. For example, LE2MGSC40DE0 must be used with LE2MGSC40ED0.

Source: Huawei eKit official website. Specifications are subject to change by the manufacturer.

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PRACTICAL ANSWERS

Network planning questions

Should I choose a router, a switch or an access point?

Start with the task: connecting networks, adding wired device ports, or providing wireless coverage. A single installation may need more than one device type. Share a site diagram and device list so the proposed roles and connections are clear.

Why is wireless coverage weak in some rooms?

Check the access point location, building layout, obstacles and the number of active devices. Measure coverage where people actually work before choosing extra equipment; changing the internet package alone may not address a coverage problem.

How do I select a switch for powered network devices?

List the devices to be connected and check each device’s power requirements against the switch’s per-port capability and total documented power budget. Also review uplink capacity and reserve ports for the expansion you actually expect.

Can the guest network be separated from business devices?

Define which devices and services guests should be able to reach, then check whether the router, switch and access points support the required separation. Test the resulting access rules; a different wireless network name alone is not the acceptance test.

What information helps plan a network upgrade?

Provide floor plans, current equipment models, internet connections, cabling details and peak device counts. Describe the applications that matter most and the observed problem, such as disconnections or slow local file access.

How should network performance be checked after installation?

Agree on the locations and representative workloads to test, then record wired and wireless results separately. Check connectivity, coverage and access rules during normal use, and retain a diagram and configuration backup for support.