Cisco SFP-E1F-SATOP-I — E1/T1 SAToP SFP Circuit Emulation Transceiver Module

Product Name: Cisco SFP-E1F-SATOP-I

• Description: E1/T1 circuit emulation SFP transceiver module supporting SAToP (Structure-Agnostic TDM over Packet) protocol. Enables transport of legacy TDM circuits over packet-switched networks, preserving synchronous timing and signaling for mission-critical voice and data services. Industrial temperature rated for harsh environment deployments.

• Manufacturer: Cisco Systems

• Part Number: SFP-E1F-SATOP-I

• Compatibility: Cisco ASR 900, ASR 920, ASR 1000, ISR 4000, and other platforms supporting circuit emulation SFPs (verify specific platform and IOS/XE version compatibility)

• Typical Applications: Legacy TDM migration to packet networks, Mobile backhaul (2G/3G), PBX trunking, SDH/SONET replacement, Industrial automation, Utility networks, Transportation systems, Remote site TDM over IP

Form Factor: SFP (Small Form-factor Pluggable)

• Interface Type: E1 (2.048 Mbps) / T1 (1.544 Mbps)

• Protocol: SAToP (Structure-Agnostic TDM over Packet) — RFC 4553

• Data Rate: 2.048 Mbps (E1) / 1.544 Mbps (T1)

• Line Code: HDB3 (E1) / B8ZS (T1)

• Framing: Unframed / Framed mode support

• Connector: RJ45 (copper)

• Cable Type: Shielded/unshielded twisted pair

• Reach / Distance: Up to 100m over Cat5e/Cat6

• Clock Recovery: Adaptive clock recovery with packet timing synchronization

• Jitter Buffer: Configurable jitter buffer for packet delay variation compensation

• Power Consumption: ~1.5W typical

• Operating Temperature: -40°C to 85°C (Industrial)

• Storage Temperature: -40°C to 85°C

• Digital Diagnostics Monitoring (DDM): Yes (SFF-8472 compliant)

• Hot-Pluggable: Yes

• DOM Support: Yes — real-time monitoring of TX/RX status, temperature, voltage

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