Question 1

What are the core optical/electrical performance parameters and link budget of ZTE 10G SFP+ 40km (SM-40KM-1550-10G-C)?

Accepted Answer

Designed to IEEE 802.3ae 10GBASE-ER/EW standards, this transceiver operates at a 1550nm central wavelength with a line rate of 10.3125 Gbps. Featuring a cooled EML laser and high-sensitivity PIN receiver, it delivers an optical transmit power between -1.0 and +4.0 dBm, receiver sensitivity better than -15.8 dBm, and receiver overload of -1.0 dBm, yielding an optical link budget of ≥14.8 dB across 40km on standard G.652 single-mode fiber (SMF). It operates off a standard 3.3V ±5% supply via SFF-8431 electrical interface, with max power consumption capped below 1.5W. SFF-8472 compliant digital diagnostic monitoring (DDM/DOM) is integrated for real-time tracking of Tx/Rx power, operating voltage, laser bias current, and internal temperature.

Question 2

How compatible is this 10G 40km module across ZTE access and transport platforms, and does it support port-level mixed insertion?

Accepted Answer

Equipped with genuine ZTE factory-coded EEPROM, the module (SKU: ZTE-OPT-10G-SFP-40KM) provides plug-and-play interoperability without triggering vendor-mismatch alarms on ZTE OLT chassis (e.g., ZXA10 C300, C320, C600 uplink cards HUQW, HUTQ, XGHK), PTN/IP-RAN platforms (ZXCTN 6100/6200/6300), and ZXR10 Series switches (e.g., 5900E, 8900E). It fully supports hot-swapping alongside other SFP+ form factors (10G-LR, SR, or CWDM/DWDM) within the same line card. It features an inrush current limiting circuit to prevent chassis power rail droop or cross-card service interruption during live insertion.

Question 3

What is the thermal design and reliability profile of this module under dense telecom and outdoor cabinet environments?

Accepted Answer

Engineered with a die-cast all-metal housing, the transceiver operates reliably across commercial temperature ranges of 0°C to +70°C (storage -40°C to +85°C) and complies with Telcordia GR-468-CORE reliability standards. Leveraging an optimized internal low-power PHY/CDR architecture and efficient thermal dissipation casing, power dissipation remains strictly under 1.5W. The structural enclosure delivers enhanced EMI shielding and ESD resilience (8kV air, 4kV contact discharge). With an MTBF rating exceeding 1,000,000 hours, it ensures long-term uninterrupted uptime in high-density aggregation chassis and sealed outdoor base station enclosures.

Key specifications	Value
Physical Form Factor	SFP+
Data Rate	10.3125 Gbps
Central Wavelength	1550 nm
Maximum Distance	40 km
Fiber Type	Single-Mode Fiber (SMF) (SMF)
Optical Connector	Duplex LC (red pull tab)
Typical Power Consumption	< 1.5 W
Operating Temperature	0°C ~ +70°C

ZTE 10G SFP+ 1550nm 40km ER Single-Mode Optical Transceiver Module

What this product is

What this product is

What problem it solves

Who and where it is for

Core advantages

Technical specifications

Applications

Regional telecom transport backbones

Cross-city datacenter disaster replication

Utility long-distance private telemetry networks

Frequently asked questions

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