User's Manual

REV. 0.0
7
2.2.3 Ethernet interface requirements
The ATU-R shall provide four 10/100 Base-T auto-sensing and half/full duplex
configurable Ethernet interfaces. The Ethernet interfaces for ATU-R shall be
able to operate well simultaneously. The 10/100 Base-T Ethernet interface
shall comply with the IEEE 802.3/IEEE 802.3u, respectively.
2.2.4 LEDs
Shall provide different status indicators on the front panel.
(1) Power,
(2) Alarm,
(3) LAN Connectivity for each LAN port,
(4) LAN Data Transmit/Receive for each LAN port,
(5) Line Synchronization, including retraining phase and in-synchronization,
(6) Line interface Data Transmit/Receive,