Description
Features and Benefits
The NM-CEM-4SER Cisco 4 Ports Expansion module is a network module designed for the Cisco 2800, 3800, 2900, and 3900 series routers. It provides four additional serial ports for connecting to a variety of devices and applications. Here are some of the key features and benefits of this expansion module:
- Serial port connectivity: The NM-CEM-4SER expansion module provides four additional serial ports for connecting to a wide range of devices, including modems, terminals, and other serial devices. The module supports asynchronous communication at speeds of up to 115.2 kbps, providing reliable and flexible connectivity options.
- Compatibility: The NM-CEM-4SER expansion module is compatible with the Cisco 2800, 3800, 2900, and 3900 series routers, providing a seamless integration with existing network infrastructure.
- High-speed data transfer: The expansion module supports High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP), and Frame Relay protocols, allowing for high-speed data transfer between connected devices. This ensures efficient data transmission and reduces the likelihood of network congestion.
- Easy installation and configuration: The NM-CEM-4SER expansion module is easy to install and configure, with plug-and-play functionality that eliminates the need for complex software installation and configuration. The module can be configured using the Cisco IOS command line interface (CLI), making it easy to integrate into existing network configurations.
- Flexible deployment: The NM-CEM-4SER expansion module can be deployed in a variety of network environments, including branch offices, remote sites, and data centers. This provides a flexible and scalable solution for supporting a wide range of network applications.
- Cost-effective: The expansion module is a cost-effective solution for adding serial connectivity to Cisco routers, providing an affordable alternative to purchasing dedicated serial servers or other network devices.
Deployment Scenarios
The NM-CEM-4SER Cisco 4 Ports Expansion module is a network module designed for the Cisco 2800, 3800, 2900, and 3900 series routers. It provides four additional serial ports for connecting to a variety of devices and applications. Here are some of the deployment scenarios where the NM-CEM-4SER expansion module can be used:
- Branch offices: The NM-CEM-4SER expansion module can be deployed in branch offices to provide serial connectivity for legacy devices, such as point of sale (POS) systems, credit card readers, and other specialized equipment. This allows for easy integration with existing infrastructure and provides a cost-effective solution for extending network connectivity to remote locations.
- Remote sites: The expansion module can be used in remote sites, such as warehouses, distribution centers, and manufacturing plants, to provide serial connectivity for equipment such as barcode scanners, printers, and other industrial control systems. This ensures efficient data transmission and reduces the likelihood of network congestion.
- Data centers: The NM-CEM-4SER expansion module can be used in data centers to provide connectivity for console servers, serial-to-ethernet converters, and other devices that require serial connectivity. This ensures easy integration with existing network infrastructure and provides a flexible and scalable solution for managing network applications.
- Healthcare facilities: The expansion module can be used in healthcare facilities to provide connectivity for medical devices, such as patient monitors, infusion pumps, and electrocardiographs. This ensures reliable and efficient data transmission, helping to improve patient care and reduce errors.
- Educational institutions: The NM-CEM-4SER expansion module can be used in educational institutions to provide connectivity for devices such as smartboards, document cameras, and other specialized equipment. This ensures efficient data transmission and provides a cost-effective solution for extending network connectivity to classrooms and other areas.
High Availability and Redundancy Options
The NM-CEM-4SER Cisco 4 Ports Expansion module is a network module designed for the Cisco 2800, 3800, 2900, and 3900 series routers. It provides four additional serial ports for connecting to a variety of devices and applications. Here are some of the high availability and redundancy options for the NM-CEM-4SER expansion module:
- Hot-swappable design: The expansion module is designed to be hot-swappable, allowing it to be replaced or added without interrupting the operation of the router. This ensures high availability and minimizes downtime in the event of a failure.
- Redundant power supply: The Cisco 2800, 3800, 2900, and 3900 series routers support redundant power supplies, which provide a backup power source in case of a power outage or failure. This ensures that the expansion module and other network devices continue to operate without interruption.
- Redundant network connections: The routers support redundant network connections, allowing for the use of multiple network paths for increased reliability and availability. This helps to ensure that data can be transmitted even if one network connection fails.
- Virtual Router Redundancy Protocol (VRRP): The routers support VRRP, which provides automatic failover of router interfaces in the event of a failure. This ensures that network traffic continues to be routed even if one router interface fails.
- Cisco IOS Software: The Cisco IOS software provides a range of high availability and redundancy features, including automatic failover, redundant network connections, and virtualization. These features ensure that the network and expansion module continue to operate even in the event of a failure.
General Information
- Manufacturer: Cisco Systems, Inc
- MPN: NM-CEM-4SER
- Product Name: 4-Port Serial CEoIP Network Module
- Product Type: Network Module
- Device Type: Expansion module
- SKU: NM-CEM-4SER
Technical Information
- Application/Usage: Data Networking
Interfaces/Ports
- Interfaces/Ports Details: 4 x Synchronous Serial
Media & Performance
- Maximum Data Transfer Rate: 2 Mbit/s
Dimensions & Weight
- Height: 1.6 Inch
- Width: 7.1 Inch
- Depth: 7.2 Inch
Miscellaneous
- Additional Information-
- Optional serial control lead transport
- Optional extended serial control lead support
- Configurable serial control lead sampling
- Serial control lead programming
- Optional data strobe configuration
- Configurable clock mode for each port
- Configurable clock source for each port
- Asynchronous data support with over-sampling
- Emerging standards-based CEoIP based on Vainshtein draft with enhancements
- Configurable using Cisco IOS software
- Interworking between the T1/E1 and serial network modules
- Bit-transparent data transport
- Protocol-independent data transport
- IP transport using Real-Time Transport Protocol (RTP) and UserDatagram Protocol (UDP) protocol stack
- Configurable payload size
- Optional payload compression
- Optional data protection
- Adaptive clock synthesis
- Configurable egress de-jitter buffers up to 500 milliseconds
- Configurable idle pattern
- Overall network module status LEDs
- Per-port status LEDs
Compatibility-
- Cisco 2610XM-2651XM
- Cisco 2691
- Cisco 2811, 2821, 2851
- Cisco 3660
- Cisco 3725 , 3745
- Cisco 3825, 3845
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