Specifications

Enterasys Xpedition 8000/8600 Getting Started Guide 37

Hardware Overview

LEDs

The ATM line card uses the following LEDs.

POS OC-3c MMF Line Card (T-Series) and POS OC-3c SMF Line Card (T-Series)

The Packet-over-SONET line card supports four OC-3c singlemode fiber (SMF) or

multimode fiber (MMF) connections using MT-RJ interfaces. Figure 18 shows the front

panel of the POS OC-3c MMF line card.

Figure 18. Front panel of POS OC-3c MMF line card

LED Description

PHY • Green – indicates that the PHY is operating properly and a

link is established

• Amber – indicates that the PHY is inactive due to media

errors

• Blinking Green – indicates that the PHY has been disabled

by management

• Off – indicates no connection

• Amber – indicates that the diagnostics have detected a fault

• Blinking Green – indicates that the PHY port has been

redirected elsewhere

Per-PHY Rx • Green – indicates when the PHY’s transceiver receives

packets

• Amber – indicates when the PHY’s transceiver receives

flow-control packets

Per-PHY Tx • Green – indicates when the PHY’s transceiver transmits

packets

• Amber – indicates when the PHY’s transceiver transmits

flow-control packets

Link

Offline

Online

POS OC-3 MMFG8M-POSB1-04

Link

Hot

Swap

Link