The T-Metro 7124S multiservice aggregation device is a member of Telco Systems' field-proven T-Metro family of Carrier Ethernet switches.
The T-Metro 7124S supports link-level EFM industry standards, including IEEE 802.1ag CFM, ITU-T Y.1731 for loss and delay measurement, Y.1731 SLM for E-LAN testing, RFC2544 for service testing and Y.1564 for service activation testing, making it one of the leading OAM supported devices on the market.