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PA-4E1G/75
Model: Cisco 7200 Series 4-Port E1 G.703 Serial Port Adapter...
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PA-4E1G/75 is a high-performance Ethernet module designed to deliver reliable 1Gbps connectivity via standard RJ-45 ports, making it an ideal upgrade for routers, switches, and servers in modern network environments. Engineered in a compact PCIe form factor, this module supports TCP/IP protocols and features essential network functions that ensure optimal performance when expanding data center capacity and upgrading network interfaces.
The PA-4E1G/75 Ethernet module is tailored for environments where seamless integration and robust network performance are crucial. It comes equipped with features such as auto-negotiation, jumbo frames, and QoS support, enabling enhanced data transfer and network reliability in high-demand scenarios. Its design emphasizes ease of installation and compatibility with a range of enterprise-grade devices, making it a strategic choice for connecting to high-speed networks.
PA-4E1G/75 price is is available on request. Get immediate quote.
Request bulk order quote for PA-4E1G/75 for additional pricing. Browse the full Cisco 7200 Modules series or explore all Cisco products.
In a nationwide retail banking environment, the PA-4E1G/75 adapter on a Cisco 7200 aggregates four 2.048 Mbps G.703 E1 circuits (75 Ω unbalanced) at each branch into a single 8 Mbps link to the data center. Outcome: delivers high-capacity, low-latency connectivity for real-time transaction processing while reducing MPLS costs and simplifying network operations.
An enterprise campus uses the Cisco 7200 PA-4E1G/75 to interconnect its traditional PBX over G.703 E1 trunks to a new IP-PBX gateway without replacing existing voice infrastructure. Outcome: preserves voice quality, accelerates VoIP adoption, and minimizes capital outlay by leveraging four E1 ports for flexible channel allocation.
A cloud service provider deploys the PA-4E1G/75 module in Cisco 7200 routers to deliver four independent E1 backup circuits alongside primary MPLS links for key enterprise customers. Outcome: ensures automatic failover with sub-50 ms switching, achieves 99.99% uptime, and protects revenue-critical applications under stringent SLAs.
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| PA-4E1G/75 |  PA-4E1G/120 |  C7200-I/O-GE+E |  PA-A3-8E1IMA |  PA-MC-STM-1SMI | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module / Network Card | Network Card | Network Module / Network Card |
| Module Type | Ethernet Module | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 1Gbps | 1Gbps | 1G | 10Gbps | 10Gbps |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | SFP+ |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP | TCP/IP |
| Form Factor | PCIe | PCIe | Modular | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V / 5V | 3.3V | 3.3V | 3.3V |
| Compatibility | Routers, Switches, Servers | Cisco / Juniper / Arista / Dell / HP | Cisco 7200 Series Routers | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Dell |
| Max Speed | 1Gbps | 1Gbps | 1Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Interface Ports | Ethernet | Ethernet | Ethernet | Ethernet | SFP+ |
| Product Name | PA-4E1G/75 Ethernet Module | PA-4E1G/120 | C7200-I/O-GE+E | PA-A3-8E1IMA | PA-MC-STM-1SMI |
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The PA-4E1G/75 module provides reliable E1 G.703 connectivity. It supports four 75ohm unbalanced ports, ensuring stable, high-speed data transfer across our network.
This module is a great addition. The PA-4E1G/75 offers stable, fast E1 connectivity, providing seamless integration into our infrastructure.
The PA-4E1G/75 module has worked flawlessly. It handles four E1 G.703 connections, ensuring smooth, high-speed data transfer for our network.
The PA-4E1G/75 is perfect for handling high-demand data transfer. It offers stable E1 connectivity and ensures reliable performance across our network.
We use the PA-4E1G/75 module for its excellent performance. It provides fast, stable E1 G.703 connections and integrates easily into our setup.
The Cisco PA-4E1G/75 is a network module that adds four ITU-T G.703 E1 interfaces at 75 Ω unbalanced impedance to Cisco 7200 Series routers.
The PA-4E1G/75 delivers four independent E1 ports, each supporting a 2.048 Mbps link.
It supports ITU-T G.703 E1 at 75 Ω unbalanced impedance using BNC connectors.
The PA-4E1G/75 is compatible with any Cisco 7200 Series router that has an available network module slot.
Each E1 port operates at 2.048 Mbps, for a total aggregate bandwidth of 8.192 Mbps.
Standard 75 Ω coaxial cables with BNC connectors are required; cables are sold separately.
Yes, the adapter supports both internal and external clocking modes for each E1 port.
Yes, it supports ISDN Primary Rate Interface (PRI) signaling with 30 B-channels and one D-channel per E1 port.
Power off the router, insert the PA-4E1G/75 into an available network module slot, secure it, power on, and configure the ports in Cisco IOS.
No, the PA-4E1G/75 only supports 75 Ω unbalanced circuits and is not compatible with 120 Ω balanced interfaces.
It supports up to 120 simultaneous B-channel voice calls (30 per E1 port).
Cisco IOS release 12.0(5)T and later fully support the PA-4E1G/75 with the required E1 feature license.
The module measures approximately 250 mm × 150 mm × 30 mm, weighs 0.32 kg, and consumes about 4 W.
Yes, it is covered by Cisco’s limited lifetime warranty with advance hardware replacement.
You can purchase it through Cisco authorized resellers or the Cisco online store.
Typical use cases include connecting Cisco 7200 Series routers to TDM networks, PSTN or PBX systems, and WAN aggregation over E1 links.
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