Product Type | Transceiver Module |
Application | T1/DS1 Telecommunications over Copper |
Form Factor | SFP (Small Form-Factor Pluggable) |
Compatible Interfaces | T1/DS1 Copper Line Interfaces |
Temperature Range Version | Industrial Temperature |
Weight | Approximately 0.02 kg (0.04 lb) |
Power Requirements | 3.3 V DC |
Power Consumption | ≤ 1.05W |
Cisco ONS-SI-DS1-TPOP= T1/DS1 TPoP SFP Industrial Temp Module

Key Benefits

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- Optimized for industrial use cases with a wide operating temperature range for maximum deployment flexibility.
- TAA compliance ensures eligibility for use in government and public sector installations.
- Compact SFP form factor allows easy integration into dense networking environments without sacrificing performance.
Product Overview
The Cisco ONS-SI-DS1-TPOP= T1/DS1 TPoP SFP module delivers high-performance, reliable connectivity in a small form-factor pluggable (SFP) design. Tailored for harsh industrial environments, this transceiver supports industrial temperature operation, ensuring robust performance in challenging deployment scenarios. As a T1/DS1-capable unit, it supports copper line telecommunication standards critical to legacy and integrated service networks.
Designed for industrial-grade networking, the device comes with TAA (Trade Agreements Act) compliance, making it suitable for use in public sector and federally regulated projects. Manufactured in the Republic of Korea, this transceiver maintains high manufacturing standards. Its compact SFP form factor allows seamless integration into compatible networking hardware, supporting scalable and flexible network design.
The Cisco ONS-SI-DS1-TPOP= is an ideal choice for enterprises and government institutions that require temperature-resilient connectivity solutions, particularly in remote or infrastructure-intensive environments. Its precision engineering and T1/DS1 compatibility enhance network reliability while supporting mission-critical operations.
Specifications
Product Overview
Wireless Features
Wireless Capability | None |
Compliance & Origin
Country of Origin | Republic of Korea |
TAA Compliant | Yes |
RoHS Compliance | Yes |
EMC Compliance | FCC Part 15 Class B, EN55022 Class B |
Product Certifications | CE, UL, CSA, TUV |
Advanced Security Features
Security Features | None on module level – dependent on host platform |
Interfaces
Interface Type | SFP |
Media Support | Copper |
Connector Type | RJ-48C |
Port Type | T1/DS1 Single Port |
Data Rate | 1.544 Mbps (T1), 2.048 Mbps (E1) |
Supported Standards | ANSI T1.102, ITU-T G.703 |
Line Code | B8ZS and AMI (configurable) |
Physical & Environmental
Operating Temperature Range | -40°C to +85°C (-40°F to +185°F) |
Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
Operating Humidity | 5% to 95% non-condensing |
Height | 8.5 mm (0.33 in) |
Width | 13.8 mm (0.54 in) |
Depth | 56.5 mm (2.22 in) |
Enclosure Type | Metal housing |
Mount Type | Plug-in module |
Cloud Management & Licensing
Cloud Managed | No |
Management Interface | Not Applicable |
License Requirement | No license required |
Hot Swappable | Yes |