Manufacturer: Cisco
Product ID: NM-CEM-4TE1
Product Description: Cisco 4 Port T1/E1 Circuit Emulation over IP NM
Shipping: Typically ships within 2-3 days
Warranty: 1-Year Standard Warranty
Any Questions?
1-800-TO-MULTI or Email

Pre-Owned, Used And Refurbished Cisco NM-CEM-4TE1

The Cisco manufactured NM-CEM-4TE1 is one of two Circuit Emulation-over-IP (CEoIP) network modules (the other being the NM-CME-4SER). The NM-CEM-4TE1, as well as the NM-CME-4SER, supports the CEoIP service offering which is the use of an IP network to provide a point-to-point, bit-transparent data stream between two endpoints. Such a data stream is completely protocol-independent because the network encapsulates and transports, in a continuous stream of IP packets, every data bit presented to an ingress port for delivery to a designated destination port. The data stream is not examined, interpreted, or manipulated in any way. The NM-CEM-4TE1 provides four T1/E1 ports. Depending on the software configuration, all four ports are T1 or all four ports are E1. The NM-CEM-4SER provides four synchronous serial ports.

Our extensive NM-CEM-4TE1 inventory provides for quick order turn-around, often allowing us to ship "same day" or within just 1-2 business days. What's more? As an independent supplier, we are able to offer more equipment options than are available through distribution, including new, used and refurbished NM-CEM-4TE1. In some instances, our pre-owned equipment may still be in new condition, still sealed in original factory packaging (but at a fraction of the cost).

MLCP is committed to quality, and we guaranty any refurbished Cisco NM-CEM-4TE1 purchase with our standard one year warranty. All used NM-CEM-4TE1 equipment is tested to factory specifications and packaged professionally for safe transport. As an experienced supplier of pre-owned network hardware, we understand that we have to be better than the manufacturer, and that fundamental principle guides us every day.

Is your interest in the NM-CEM-4TE1 as a result of an upgrade? We may be interested in your surplus networking equipment and encourage you to take advantage of our flexible "buy-back" options, including an up-front purchase option and generous trade-ins for credit.

For a quote today, simply click onto the "Request a Quote" button on the right, or call 1-800-TO MULTI (866-8584) for assistance. Thank you!

You might also be interested in HWIC-3G-CDMA.

General Information
Manufacturer: Cisco
Product ID: NM-CEM-4TE1
Product Description: Cisco 4 Port T1/E1 Circuit Emulation over IP NM
Product Type: Network Module
Marketing Information

The 4-port T1/E1 CEoIP Network Module for the Cisco 2600XM, 2691, 2811, 2821, 2851, 3660, 3700 and 3800 routers provide a new CEoIP service offering. This network modules provide bit-transparent data transport that is completely protocol-independent.

For the first time, this allows network administrators to take advantage of their existing IP network to provide leased-line emulation services, or to carry data streams or protocols that do not meet the format requirements of other multiservice platform interfaces.

Technical Information
Application/Usage: Data Networking
Interfaces/Ports Details: 4 x T1/E1
Media & Performance
Maximum Data Transfer Rate: 2.05 Mbit/s
Physical Characteristics
Height: 1.6"
Width: 7.1"
Depth: 7.2"
Additional Information:
  • Configurable clock source for each port
  • Optional channel associated signaling (CAS) transport
  • 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
  • Cisco 2610XM-2651XM
  • Cisco 2691
  • Cisco 2811, 2821, 2851
  • Cisco 3660
  • Cisco 3725 , 3745
  • Cisco 3825, 3845

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