Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
Cisco ONS-SI-155-I1= OC-3/STM-1 SFP Transceiver Module - 1 x LC Duplex - 155 Mbps - Single-mode Fiber
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This transceiver operates at the OC-3/STM-1 standard, corresponding to a synchronous transfer mode of 155.52 Mbps. It utilizes an LC duplex connector for precise optical alignment and low insertion loss, ensuring efficient light transmission over single-mode fiber. The module supports full-duplex communication, enabling simultaneous data transmission and reception for optimized network throughput.
Built to Cisco's specifications, the ONS-SI-155-I1= includes digital diagnostics monitoring capabilities for real-time performance tracking. Its electrical interface complies with SFP MSA standards, while the optical component is tuned for 1310 nm wavelength operation typical of single-mode applications.
Key Product Advantages
The Cisco ONS-SI-155-I1= transceiver offers several distinct advantages for network architects and operators. Its compatibility with multiple ONS platforms reduces inventory complexity and simplifies maintenance procedures. The hot-swappable design allows for quick module replacement during upgrades or troubleshooting, minimizing network downtime.
Platform Flexibility
Certified for use with ONS 15310-CL, 15310-MA, and 15454 platforms, including specific line cards like the 15310-CL-CTX, CTX2500, and MRC-12. This broad compatibility ensures seamless integration into existing Cisco SONET/SDH infrastructures.
- ONS 15310-CL SONET Platform
- ONS 15310-MA Platform
- ONS 15454 SONET/SDH Platform
Optical Performance
Designed for single-mode fiber with LC duplex connectivity, providing reliable long-distance transmission with minimal signal degradation. The 155 Mbps speed supports essential SONET/SDH services including voice, data, and video transport.
- Single-mode fiber support
- LC duplex connector
- 155 Mbps OC-3/STM-1
Deployment / Use Cases
This transceiver is specifically engineered for SONET/SDH network applications where OC-3/STM-1 interfaces are required. It serves as the optical termination point for various telecommunications services, including leased line circuits, cellular backhaul links, and enterprise WAN connections.
Common deployment scenarios include connecting Cisco ONS multiplexers to fiber optic infrastructure in central offices, point-of-presence locations, and customer premises. The module enables service providers to deliver reliable TDM-based services while maintaining compatibility with legacy network equipment and protocols.
Metro Network Connectivity
Ideal for metropolitan area networks requiring 155 Mbps connections between network nodes. The single-mode fiber support enables spans up to several kilometers without signal regeneration, reducing equipment costs in distributed network architectures.
Legacy Service Support
Maintains compatibility with existing SONET/SDH infrastructure while providing a migration path to higher-speed optical networks. The module supports traditional TDM services including DS1, DS3, and E1 circuits over fiber optic media.
Physical Profile
The transceiver features a compact SFP form factor measuring 0.53" (13.46 mm) in width, 2.22" (56.39 mm) in depth, and 30 mil (0.76 mm) in height. This standardized dimensions ensure proper fit in SFP cages across compatible networking equipment. The module's gold-plated electrical contacts provide reliable connectivity, while the integrated bail latch mechanism secures the transceiver during operation and facilitates easy removal when needed.
- Width
- 0.53" (13.46 mm)
- Depth
- 2.22" (56.39 mm)
- Height
- 30 mil (0.76 mm)
Highlights
- Cisco ONS-SI-155-I1= OC-3/STM-1 SFP transceiver module
- 1 LC duplex port for single-mode fiber connectivity
- 155 Mbps data transfer rate for SONET/SDH networks
- Hot-swappable SFP form factor for live insertion/removal
- Compatible with ONS 15310-CL, 15310-MA, and 15454 platforms
- Digital diagnostics monitoring capabilities
- Compact dimensions: 0.53" W × 2.22" D × 0.03" H
- 90-day limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | ONS-SI-155-I1= |
| Brand Name | Cisco |
| Product Name | OC-3/STM-1 SFP Transceiver Module |
| Product Type | SFP |
| Technical Information | |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x LC Duplex OC-3/STM-1 |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Single-mode |
| Maximum Data Transfer Rate | 155 |
| Physical Characteristics | |
| Form Factor | Hot-swappable |
| Height | 30 mil (0.76 mm) |
| Width | 0.53" (13.46 mm) |
| Depth | 2.22" (56.39 mm) |
| Miscellaneous | |
| Compatibility | ONS 15310-CL SONET Platform: 15310-CL-CTX Card ONS 15310-MA Platform: CTX2500 Card ONS 15454 SONET/SDH Platform: MRC-12 Card |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
What is the data transfer rate of this SFP transceiver?
The Cisco ONS-SI-155-I1= transceiver operates at 155 Mbps, which corresponds to the OC-3/STM-1 standard for synchronous optical networking. This speed supports various telecommunications services including voice circuits, data transport, and video transmission over SONET/SDH networks.
Which fiber type and connector does this module support?
This transceiver is designed for single-mode fiber optic cabling using LC duplex connectors. Single-mode fiber provides reliable long-distance transmission with minimal signal loss, while the LC duplex connector ensures precise optical alignment for consistent performance in network deployments.
Is this SFP module hot-swappable?
Yes, this transceiver features a hot-swappable SFP form factor that allows for live insertion and removal without powering down the networking equipment. This capability enables maintenance, upgrades, and replacements while minimizing network downtime and service disruption.
| Qty | Price | Available |
|---|
