T-Marc 254H

Carrier Ethernet Service Demarcation Solution


The T-Marc 254H is an environmentally hardened demarcation device designed to deliver converged services for commercial and mobile applications over the metro Ethernet network.
Download T-Marc 254H Data sheetA4 PDF  US Letter PDF  
The T-Marc 254H is an environmentally hardened demarcation device designed to deliver converged services for commercial and mobile applications over the metro Ethernet network.

The T-Marc 254H device has been optimized for PBX and wireless backhaul by supporting the seamless transport of TDM frames over Ethernet and clock synchronization via PTP (IEEE1588v2). 

The  T-Marc 254H supports a wide range of OAM and service assurance tools designed to alleviate the operational challenges that providers face when deploying Ethernet.

Advanced Layer 2 Networking using Telco Systems’ AccessEthernet™ allows total flexibility in deployment and delivery of Ethernet services.
  • Managed multi-service demarcation integration for converged services
  • Service synchronization over Layer 2 Ethernet, IEEE-1588v2
  • Label Distribution Protocol (LDP)
  • Flexible architecture supporting
    - 4 x 10/100Base-T ports
    - 1 Combo 10/100/1000Base-T or 100Base-FX/1000Base-X port
    - 1 x 1000Base-X uplink
    - 4 T1/E1s CES ports
  • Extensive Layer 2 functionality with non-blocking wire-speed switching capabilities
  • Comprehensive OAM and management options
  • Standards-based proxy management
  • Control, monitoring, line testing and loopback capabilities
  • T1/E1 CES support for 2G/3G cellular backhaul and leased-line replacement
  • Redundant uplinks for protected services and link aggregation
  • Enhanced security and protection mechanisms
  • Granular rate limiting for ingress and egress
  • MEF and IEEE standards compliance for multi-vendor interoperability
  • Certified to MEF 9 and MEF 14 for Ethernet Services at the UNI
  • MEF 18 compliant
  • Compact 1RU design with desktop, rack, and wall-mounting options
  • Temperature-hardened
Data Sheets
T-Marc 254H Data sheet
A4 PDF (739.15 KB) • Letter PDF (739.15 KB) • updated: 2013-04-15
Solutions Overview
Business Ethernet Services Brochure
A4 PDF (471.6 KB) • Letter PDF (471.53 KB) • updated: 2013-05-13
Mobile Backhaul Solution Brochure
A4 PDF (780.28 KB) • Letter PDF (528.87 KB) • updated: 2013-04-15
Solutions Overview
Letter PDF (1.44 MB) • updated: 2015-11-24
Related Files
Carrier Ethernet Products Matrix
A4 PDF (260.27 KB) • Letter PDF (612.27 KB) • updated: 2015-04-20