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Chapter 1 Introducing the ALC1248G
ALC1248G User’s Guide
14
1.3 Features
Here is a partial list of the ALC’s features.
ADSL Compliance
• Multi-Mode ADSL Standard
-DMT T1.413, issue 2
-G.DMT (ITU G.992.1) Annex A
-G.DMT (ITU G.992.1) Annex B
-G.LITE (ITU G.992.2)
• ADSL2
-G.992.3 Annex A
-G.992.3 Annex B
-G.992.3 Annex L
-G.992.3 Annex M
• ADSL2+
-G.992.5 Annex A
-G.992.5 Annex B
-G.992.5 Annex M
IEEE 802.1p Priority
The system uses IEEE 802.1p priority to assign priority levels to individual PVCs. The system
can also handle multiple IEEE 802.1p priority queues on a single PVC.
System Monitoring
• System status (link status, rates, statistics counters)
• Temperatures, voltage reports and alarms.
System Error Logging
The ALC's system error log will record error logs locally. These logs may be viewed again
after a warm restart.
Configurable Alarms
The system allows you to customize the priority levels of individual alarms and the alarm
severity threshold for recording alarms on an individual port(s).
Alarm LED
An ALM (alarm) LED lights when the ALC is overheated, the voltage readings are outside the
tolerance levels, a fan fails, or another alarm with a severity level of MAJOR or CRITICAL
occurs.
IEEE 802.1Q Tagged VLAN
Your ALC uses the IEEE 802.1Q Tagged VLAN (Virtual Local Area Network), which allows
it to deliver tagged/untagged frames to and from its ports. The IES supports up to 4094
individual VLANs.