Cisco Transceiver with Link Assurance Sensor S10G-B40D-PM-D-I
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In today's enterprise environment, network visibility across hybrid infrastructures is critical. Cisco Provider Connectivity Assurance Sensor SFP addresses this challenge through a miniaturized performance monitoring solution. By converting standard transceiver slots into visibility endpoints, organizations gain real-time insights without bulky hardware.
As digital transformation expands, IT teams face mounting pressure to satisfy strict SLAs. Traditional monitoring tools leave blind spots at the edge or add high costs. Cisco’s SFP-based sensor embeds monitoring directly into the data path, creating a solid foundation for automated network management.
This technology efficiently combines high-speed optical transceivers with advanced telemetry. By integrating active monitoring into form-factor devices, operators receive microsecond-accurate metrics that streamline troubleshooting and maintain consistent performance across multi-vendor environments.
Product overview
The Cisco Provider Connectivity Assurance Sensor SFP portfolio consists of compact hardware sensors engineered to fit seamlessly into network devices. These smart transceivers function as full monitoring devices while operating as standard optical or electrical interfaces. The portfolio offers diverse speeds, including 1G, 10G (SFP+), and 25G (SFP28) form factors.
Specific model variants meet varied deployment needs across carrier Ethernet and enterprise networks. The lineup features the Cisco Provider Connectivity Assurance Sensor SFP 1G (optical and RJ-45 copper options), Sensor SFP+ 10G for higher bandwidth, and specialized Smart SFP models with FPGA acceleration. Built for extended temperatures, they suit cell site routers and remote edge nodes.
These sensors feed precision telemetry into Cisco Provider Connectivity Assurance analytics platforms. Deployed in mobile backhaul or enterprise edge settings, they eliminate overlay hardware, lowering total cost of ownership while supporting third-party switches.
Features and benefits
- Microsecond Precision: Delivers sub-millisecond round-trip time, jitter, and packet loss metrics to meet strict SLA demands.
- Protocol Support: Integrates TWAMP, ITU-T Y.1731, IEEE 802.1ag, RFC 2544, and ITU-T Y.1564 for end-to-end testing.
- Drop-in Deployment: Fits directly into standard SFP, SFP+, and SFP28 ports without extra rack space, external power, or cabling.
- Universal Interoperability: Works across Cisco and third-party hardware, preserving legacy investments.
- Dual Operation Modes: Runs wire-speed inline filtering or traffic generation and loopback modes without impacting throughput.
- Zero-Touch Provisioning: Simplifies deployments via automated discovery, remote configuration, and central management.
- Reduced Operational Costs: Replaces bulky external probes and minimizes power consumption across remote sites.
- Automated Telemetry: Integrates with Cisco analytics to power AI-driven root-cause analysis.
Product overview
The Cisco Assurance SFP portfolio offers customers a wide variety of high-performance Gigabit Ethernet pluggable service assurance and demarcation options for enhanced mobile, Carrier Ethernet, and IP service deployments.
Fully integrated with Cisco Crosswork Assurance, Assurance SFPs support service delivery automation, scalable metric collection, and reporting with actionable insight and machine learning-driven analytics to enable accelerated service rollout and improved operational efficiency.
1G Short-Reach (SX) Transceiver
1G Long Haul (LH) Transceiver
100/1000bT (CU) Transceiver
10G Short-Reach (SR) Transceiver
10G Long-Reach (LR) Transceiver
10G Extended-Reach (ER) Transceiver
10G Long-Reach (LR) BiDirectional Transceivers (Upstream and Downstream)
10G Extended-Reach (ER) BiDirectional Transceivers (Upstream and Downstream)
Features and benefits of Cisco Assurance SFPs
● Compatible with other IEEE-compliant interfaces where applicable.
● Certified and tested on Cisco SFP+ platform ports for superior performance, quality, and reliability.
● Tested interoperability with standard Cisco SFP+ transceivers.
● End-to-end service performance assurance features include:
◦ Service Activation Testing (SAT).
◦ Performance Monitoring (PM).
● Features a fully featured FPGA capable of active Layer 2-4 traffic generation and measurement.
● Ideal for cost- and space-sensitive applications by avoiding usage of additional rackspace.
● Transceiver firmware and FPGA can be upgraded in network.
● Communications with Cisco Crosswork Assurance using IP address.
● Industrial temperature range operation.
The S1G transceiver support service demarcation functions including:
● Wire-speed, MEF compliant Carrier Ethernet service delivery
● Precise, scalable Layer 2 service Operations, Administration, and Maintenance (OAM), including Y.1731
Table 1. Cisco Assurance SFP Portfolio
| Currently available portfolio |
| SFP-1GbE Performance Monitoring, 100/1000bT I-temp |
| SFP-1GbE Performance Monitoring, SX, 850nm, 550m I-temp |
| SFP-1GbE Performance Monitoring, LH, 1310nn, I-temp |
| SFP-10GbE Performance Monitoring, SR, MM, 850nm, 150/150/150m OM3/4/5, E-temp |
| SFP-10GbE Performance Monitoring, LR, SM, 1310nm, 10km, I-Temp |
| SFP-10GbE Performance Monitoring, ER, SM, 1550nm, 40km, I-Temp |
| SFP-10GbE Performance Monitoring, LR-Bi-Directional*, SM, 1330/1270nm, 10km, I-Temp |
| SFP-10GbE Performance Monitoring, LR-Bi-Directional*, SM, 1270/1330nm, 10km, I-Temp |
| SFP-10GbE Performance Monitoring, ER-Bi-Directional*, SM, 1330/1270nm, 40km, I-Temp |
| SFP-10GbE Performance Monitoring, ER-Bi-Directional*, SM, 1270/1330nm, 40km, I-Temp |
Key Performance Indicators (KPI) using Cisco Crosswork Assurance and SFPs
Using the Cisco Assurance SFPs, the platform provides the following measurements and testing capabilities including:
● TWAMP: Two-Way Active Measurement Protocol
● ETH-DM: Ethernet Delay Measurement
● ETH-LB: Ethernet Loop Back
● ICMP Echo: Internet Control Message Protocol Echo
● UDP Echo: User Datagram Protocol Echo
● ETH-VS: Ethernet Vendor Specific
● Y.1731: Operation, Administration and Maintenance (OAM) functions and mechanisms for Ethernet-based networks
● CCM: Continuity Check Messages
● DMM: Delay and Delayed variation Measurements
● SLM: Synthetic Loss Measurements
● Link Trace
● Loop Back
KPIs include:
1. Synthetic active assurance and testing
One-way delay, PDV, and IPDV (jitter)
● Min/max/average
● Median (p50)
● Percentile 25/75/95/96/98/99
● Standard deviation
One-way packet statistics
● Packet lost (number and %)
● Loss bursts
● Longest loss burst
● Shortest loss burst
● Reordered packets (number and %)
● Packets duplicated (number and %)
One-way packet field and QoS metrics
● IP TOS max (DSCP diffserv)
● IP TOS min
● TTL max/min
VLAN Pbit max/min
● ETH-OAM MEG level max/min
● MOS
● R-value
Meta metrics
● Session ID
● Interval sequence number
● Interval timestamp (UTC)
● Interval length (Report interval)
● Up or downlink direction
2. Service Activation Testing (SAT)
Throughput validation – circuit readiness
● RFC2544 generation and reflection
● Y.1564 generation and reflection
3. Bandwidth metering
Throughput metrics
● Min Throughput – Per Flow
● Average Throughput – Per Flow
● Max Throughput – Per Flow
Cisco Assurance SFP zero-touch provisioning
Zero-Touch Provisioning (ZTP) and IPv4/IPv6 management make these Cisco Assurance SFPs easy and secure to deploy and manage. The Assurance SFP IP address can be assigned dynamically or manually.
ZTP is fully integrated with Cisco Crosswork Assurance. It also supports service delivery automation and scalable, real-time metrics collection and reporting of actionable insights for delivery and machine learning needed for accelerated service rollout and improved operational efficiencies.
Performance
TWAMP
● Maximum sessions: 4000 with a total of 80000 PPS
● Maximum rate per session: 250 PPS
● Example: 4000 sessions at 20 PPS or up to 320 sessions and 250 PPS.
Traffic loopback
● TWAMP reflector @ line rate for unlimited number of stateless sessions
● TWAMP reflector @ line rate for up 16 TWAMP stateful sessions
● User-configurable loopback Layer 2 to Layer 4 at line rate
RFC2544 and Y.1564
● Cisco Assurance SFPs support full line-rate test traffic generation.
● Cisco Assurance SFPs can create and analyze up to four Layer 2 or 3 unique fully fledged RFC-2544 and Y.1564 Service Activation Test (SAT) suite toward the Assurance platform or third-party endpoints.
◦ This allows service providers to test a service path at turn-up and revalidate on-demand the capacity of a specific path or service during maintenance windows or when troubleshooting.
● Cisco Assurance SFPs can be located anywhere in the network, removing the limitation and expense of required head-end test equipment.
● Cisco Assurance SFPs support SAT testing at line rate for any packet size with 1-usec delay measurement accuracy.
Flowmeter
● The flowmeter capability precisely measures bandwidth and reveals transient peaks or microbursts that cause TCP throughput delays.
● Using Cisco Crosswork Assurance, Flowmeter processes per-flow bandwidth usage metrics from SFP timestamps, and byte and packet counters, to accurately report minimum and maximum average bandwidth metrics for configurable reports on sub-second sampling intervals.
● When correlated together with packet loss and other measurements, service providers can detect network bottlenecks and plan capacity—key metrics to assure and enforce the delivery of off-net services.
● The flowmeter capability separately monitors upload and download usage statistics.
● Flowmeter’s per-service metering enables usage-based billing, burst detection, trending, and traffic pattern analysis.
FlowBroker
● The FlowBroker is a flexible, remote packet capture solution that provides all-layer, end-to-end network visibility through efficient brokering, lossless delivery, and granular/shared filters.
● FlowBroker enables Deep Packet Inspection (DPI) to ensure the integrity of the data going through the network, as well as application reliability and network efficiency.
● Remote Packet Capture for 1G transceivers only.
Platform support
Cisco Assurance SFPs are currently in the certification process on many Cisco platforms. With respect to Cisco platforms the S1G’s and S10G’s have similar behavior to standard SFP’s and SFP+’s and may work directly as unsupported transceivers. Please refer to the Transceiver Module Group (TMG) Compatibility Matrix. Also if the S1G’s are S10G’s are not listed please contact Cisco sales for an update on status of platform support.
Note: Cisco Assurance SFP are smart SFP using FPGA technology. The time to initialize exceed MSA specifications.
Technical specifications
Table 2. Cabling specification
| PID |
Wavelength (nm) |
Cable Type |
Optical Connector |
Core Size (um) |
Model Bandwidth (MHz/km) |
Cable Distance |
| S1G-TE-PM-D-I |
n/a |
Cat5/6 |
- |
- |
- |
100m |
| S1G-SX-PM-D-I |
850 |
MMF |
LC Duplex |
50/62.5 |
- |
550/275 |
| S1G-LH-PM-D-I |
1310 |
SMF |
LC Duplex |
G.652 |
- |
10km |
| S10G-SR-PM-D-I |
850 |
MMF |
LC Duplex |
50 50 50 |
2000 (OM3) 4700 (OM3) 4700 (OM4) |
150m 150m 150m |
| S10G-LR-PM-D-I |
1310 |
SMF |
LC Duplex |
G.652 |
- |
10km |
| S10G-ER-PM-D-I |
1550 |
SMF |
LC Duplex |
G.652 |
- |
40km |
| S10G-BD-PM-D-I |
1330 |
SMF |
LC Simplex |
G.652 |
- |
10km |
| S10G-BU-PM-D-I |
1270 |
SMF |
LC Simplex |
G.652 |
- |
10km |
| S10G-B40D-PM-D-I |
1330 |
SMF |
LC Simplex |
G.652 |
- |
40km |
| S10G-B40U-PM-D-I |
1270 |
SMF |
LC Simplex |
G.652 |
- |
40km |
Table 3. Optical transmit and receive specifications
| PID |
Transmit Power (dBm) |
Receive Power (dBm) |
Link Budget (dB) |
Transmit and Receive Wavelengths (nm) |
||
| Maximum |
Minimum |
Maximum |
Minimum |
|||
| S1G-TE-PM-D-I |
- |
- |
- |
- |
- |
- |
| S1G-SX-PM-D-I |
-3 |
-9.5 |
0 |
-17 |
9.5 |
830-860 |
| S1G-LH-PM-D-I |
-3 |
-9.5 |
-3 |
-19 |
12 |
1260-1360 |
| S10G-SR-PM-D-I |
-1 |
-7.3 |
-1 |
-9.9 |
4 |
840-860 |
| S10G-LR-PM-D-I |
0.5 |
-8.2 |
0.5 |
-14.4 |
9.4 |
1260-1355 |
| S10G-ER-PM-D-I |
4 |
-4.7 |
-1 |
-15.8 |
15 |
1350-1565 |
| S10G-BD-PM-D-I |
+0.5 |
-7 |
+0.5 |
-12 |
5 |
1320 to 1340 (Tx) 1260 to 1280 (Rx) |
| S10G-BU-PM-D-I |
+0.5 |
-7 |
+0.5 |
-12 |
5 |
1260 to 1280 (Tx) 1320 to 1340 (Rx) |
| S10G-B40D-PM-D-I*1 |
+5 |
-1 |
-7 |
-18 |
17 |
1320 to 1340 (Tx) 1260 to 1280 (Rx) |
| S10G-B40U-PM-D-I*1 |
+5 |
-1 |
-7 |
-18 |
17 |
1260 to 1280 (Tx) 1320 to 1340 (Rx) |
● 5dB: 15216-ATT-LC-5=
● 10dB: 15216-ATT-LC-10=
● 15dB: 15216-ATT-LC-15=
Table 4. General specification
| PID |
Bail Color |
Power (W) |
Size (H x W x D) mm |
| S1G-TE-PM-D-I |
- |
3.0 |
8.5 x 13.4 x 63 |
| S1G-SX-PM-D-I |
Beige |
1.75 |
8.5 x 13.4 x 56.6 |
| S1G-LH-PM-D-I |
Blue |
1.75 |
8.5 x 13.4 x 56.6 |
| S10G-SR-PM-D-I |
Beige |
2.6 |
8.5 x 13.4 x 64.5 |
| S10G-LR-PM-D-I |
Blue |
2.7 |
8.5 x 13.4 x 64.5 |
| S10G-ER-PM-D-I |
Red |
3.0 |
8.5 x 13.4 x 70.3 |
| S10G-BD-PM-D-I |
Blue |
2.7 |
8.5 x 13.4 x 72 |
| S10G-BU-PM-D-I |
Blue |
2.7 |
8.5 x 13.4 x 72 |
| S10G-B40D-PM-D-I |
Red |
3.0 |
8.5 x 13.4 x 72 |
| S10G-B40U-PM-D-I |
Red |
3.0 |
8.5 x 13.4 x 72 |
DHCP
● Dynamic Host Control Protocol is enabled so the transceivers can be discovered and managed in the network. Connectivity with a transceiver can be changed using Cisco Assurance Module Dock or with network commands.
LLDP
● Link Layer Discovery Protocol (LLDP) is enabled by default on the transceiver for network discovery. The transceiver works like a network element receiving LLDP from neighbor and transmitting LLDP. Configuration setting and LLDP neighbor can be access using Cisco Crosswork Assurance Sensor Control.
Force Link Up
● When Force Link UP is enabled, the SFP reports a link up on the host interface even when the link is down on the media side, or the fiber is not connected.
● Force Link UP feature allows managing the SFP when fiber is not connected or link down.
● The feature is used for out of line deployment or for trouble shooting a link down on the fiber side.
● Force Link UP is enabled by default.
DOM
● Digital Optical Monitoring (DOM) functions according to industry standard SFF-8472 Multisource Agreement (MSA). This feature gives the end user the ability to monitor real time parameters of the SFP, such as optical output power, optical input power, temperature, laser bias current and transceiver supply voltage.
IEEE-1588 PTP
● Class B (Excludes S1G-TE-PM-D-I)
Encryption
● The control protocol is encrypted for authentication and after that the control protocol is signed. The encryption is Grain128a
GR-3108
● Class 2
Export classification
● 5A991.b
Management
● SFF-8742
● Cisco Crosswork Assurance
Firmware update
● Via Cisco Crosswork Assurance
Module weight
● Weight: Typically 75 grams or less
Environmental conditions (noncondensing)
● Operating temperature range:
◦ Industrial temperature range -40 to 85C (-40 to 185F): S1G-TE-PM-D-I, S1G-SX-PM-D-I, S1G-LH-PM-D-I, S10G-LR-PM-D-I, S10G-ER-PM-D-I, S10G-BD-PM-D-I, S10G-BU-PM-D-I, S10G-B40D-PM-D-I, S10G-B40U-PM-D-I
◦ Extended temperature range -5 to 85C (-10 to 185F): S10G-SR-PM-D-I
● Storage temperature range: -40 to 85C (-40 to 185F)
Ordering information
| PID |
Description |
| S1G-TE-PM-D-I |
SFP-1GbE Performance Monitoring, 100/1000bT I-temp |
| S1G-SX-PM-D-I |
SFP-1GbE Performance Monitoring, SX, 850nm, 550m I-temp |
| S1G-LH-PM-D-I |
SFP-1GbE Performance Monitoring, LH, 1310nn, I-temp |
| S10G-SR-PM-D-I |
SFP-10GbE Performance Monitoring, SR, MM, 850nm, 150/150/150m OM3/4/5, E-Temp |
| S10G-LR-PM-D-I |
SFP-10GbE Performance Monitoring, LR, SM, 1310nm, 10km, I-Temp |
| S10G-ER-PM-D-I |
SFP-10GbE Performance Monitoring, ER, SM, 1550nm, 40km, I-Temp |
| S10G-BD-PM-D-I |
SFP-10GbE Performance Monitoring, LR-BiDi, SM, 1330/1270nm, 10km, I-Temp |
| S10G-BU-PM-D-I |
SFP-10GbE Performance Monitoring, LR-BiDi, SM, 1270/1310nm, 10km, I-Temp |
| S10G-B40D-PM-D-I |
SFP-10GbE Performance Monitoring, ER-BiDi, SM, 1330/1270nm, 40km, I-Temp |
| S10G-B40U-PM-D-I |
SFP-10GbE Performance Monitoring, ER-BiDi, SM, 1270/1330nm, 40km, I-Temp |
Regulatory and standards compliance
Standards:
● GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable
● GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies
● GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors
● IEEE 802.3: 10-Gigabit Ethernet (some exceptions for S10G-SR-PM-D-I)
● SFP+ MSA SFF-8431 (Optical Transceivers, Active Optical Cables, and Passive Twinax cables)
● SFF-8742 Management Interface for SFP+
● IEC 60603-7:2000: Generic Requirements for RJ-45 connectors
Safety:
● Laser Class 1 21CFR-1040 LN#50 7/2001
● Laser Class 1 IEC60825-1
Product sustainability
Additional information
For more information about Cisco Assurance SFPs, contact your sales representative or visit https://www.cisco.com/site/us/en/products/networking/optics-transceiver-modules/index.html.