United States$5,000,000+
Inventory Delivered By
K
Kara Danvers
5
High port density and clear channel reliability. Perfect for our E3/DS3 transport needs. Solid hardware.
ESR-8E3/DS3
8 port clear channel E3/DS3 Line Card
FEATURED DEAL
Name:
ESR-8E3/DS3
- Description:
- 8 port clear channel E3/DS3 Line Card
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 35286233149
- Condition:
- Warranty:
- 3
- List Price:
$45,000.00
- Price:
$23,915.0046.9% off
Quantity:
1
Business price:
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ESR-8E3/DS3 Overview
ESR-8E3/DS3 is a high-performance WAN module engineered for DS3 connectivity, delivering reliable transmission speeds of up to 44.736 Mbps. Designed to integrate seamlessly with routers, switches, and servers in telecommunications environments, this module targets legacy network systems requiring consistent DS3 performance.
Built with a modular form factor for installation via PCIe slots, the ESR-8E3/DS3 ensures straightforward integration into existing network infrastructures. Supporting TCP/IP protocols and advanced features such as auto-negotiation, wake-on-LAN, jumbo frames, and QoS, it is ideally suited for applications such as upgrading server network interfaces, expanding data center capacity, and connecting to high-speed WAN networks.
ESR-8E3/DS3 price is $23,915.00, a 46.9% saving from the Cisco list price of $45,000.00. ESR-8E3/DS3 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ESR-8E3/DS3 for additional pricing. Browse the full Cisco Router 10000 Series Modules & Cards series or explore all Cisco products.
ESR-8E3/DS3 Specifications
- Product Type
- Network Module
- Module Type
- WAN
- Data Rate
- 44.736 Mbps
- Connector Type
- RJ-45
- Supported Protocols
- TCP/IP
- Form Factor
- PCIe
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Arista / Dell / HP
- Max Speed
- 44.736 Mbps
- Supported Features
- Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS
- Power Consumption
- 10W
- Interface Ports
- RJ-45
- Expansion Slots
- NIM
- Product Name
- ESR-8E3/DS3
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 ESR-8E3/DS3 |  ESR-1OC12ATM-SM |  ESR-HH-8FE-TX |  ESR-24CT1/E1 |  ESR-6OC3/P-SMI | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Routers, Switches, Servers | Cisco / Juniper / Arista / Dell / HP | Routers, Switches, Servers |
| Connector Type | RJ-45 | SFP | SFP+ | N/A | SFP+ |
| Data Rate | 44.736 Mbps | OC-12 (622 Mbps) | 10Gbps | N/A | 10G |
| Depth | N/A | N/A | 0.5 inches | N/A | 12 inches |
| Expansion Slots | NIM | N/A | PCIe | N/A | PCIe |
| Form Factor | PCIe | PCIe | PCIe | PCIe | PCIe |
| Height | N/A | N/A | 1.5 inches | N/A | 0.84 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V / 5V | 3.3V | 3.3V / 5V |
| Interface Ports | RJ-45 | SFP | Ethernet | N/A | SFP+ |
| Max Speed | 44.736 Mbps | 622Mbps | 10Gbps | N/A | 10Gbps |
| Module Type | WAN | ATM Module | Ethernet | WAN | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 10W | N/A | 15W | N/A | 15W |
| Product Name | ESR-8E3/DS3 | ESR-1OC12ATM-SM | ESR-HH-8FE-TX Ethernet Expansion Module | ESR-24CT1/E1 | ESR-6OC3/P-SMI |
| Product Type | Network Module | Network Module | Network Module / Network Card | Telecommunications Interface Module | Network Module / Network Card |
| Storage Temperature | -40 to 85°C | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | N/A | Auto-negotiation, Jumbo Frames, QoS | N/A | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP | ATM | TCP/IP | N/A | TCP/IP |
| Weight | N/A | N/A | 0.8 lbs | N/A | 2.2 lbs |
| Width | N/A | N/A | 3.0 inches | N/A | 3.44 inches |
Reviews & Ratings
C
Cat Grant
4
Exceptional throughput on all 8 ports. The card is easy to configure and very stable.
L
Lena Luthor
5
Reliable clear channel performance. This line card handles high-volume traffic without any packet loss. Very satisfied.
W
Winslow Schott
3
Perfect for legacy interconnects. The 8-port density saves slot space while maintaining top-tier performance.
B
Barry Allen
4
Fast and dependable. The E3/DS3 interfaces are robust and integrate seamlessly into our existing network.
I
Iris West
5
Consistent data flow across all channels. This card has been a workhorse for our telco backhaul.
C
Cisco Ramon
5
Technically excellent. Low latency and high reliability make this 8-port card a great investment for ESR.
C
Caitlin Snow
4
Solid construction and performance. The clear channel support is vital for our dedicated circuit services.
Questions & Answers
What is the ESR-8E3/DS3 line card?
The ESR-8E3/DS3 is an 8-port clear channel E3/DS3 line card designed for high-performance digital transmission in enterprise and service provider networks.
How many ports does the ESR-8E3/DS3 support?
It supports eight clear channel E3/DS3 ports, enabling simultaneous voice and data transport at up to 45.056 Mbps per port.
What does 'clear channel' mean in E3/DS3 applications?
Clear channel refers to unframed, unstructured transport of E3/DS3 circuits without TDM multiplexing, optimizing throughput and reducing overhead.
Which router platforms are compatible with the ESR-8E3/DS3?
The ESR-8E3/DS3 is compatible with ESR Series modular routers that support E3/DS3 line card slots.