■
Quality of service (QoS) per channel: weighted round-robin (WRR), random early detection
(RED), weighted random early detection (WRED)
■
Simple Network Management Protocol (SNMP): DS1 MIB, DS3 MIB
■
Dynamic, arbitrary channel configuration
■
Encapsulations:
■
High-Level Data Link Control (HDLC)
■
Frame Relay
■
Circuit cross-connect (CCC)
■
Translational cross-connect (TCC)
■
Point-to-Point Protocol (PPP)
Software features
■
Standard DS3 BNC coaxial cable interfacesCables and connectors
One tricolor per port:
■
Off—Not enabled
■
Green—Online with no alarms or failures
■
Amber—Online with alarms for remote failures
■
Red—Active with a local alarm; router has detected a failure
LEDs
■
Alarm indication signal (AIS)
■
Excessive zeros (EXZ)
■
Far-end block error (FEBE)
■
Frame error
■
Idle code, Idle received
■
Line code violation (LCV)
■
Loss of signal (LOS)
■
Out of frame (OOF)
■
Parity bit (P-bit) disagreements
■
Path parity error
■
Yellow alarm bit (X-bit) disagreements
Alarms, errors, and
events
■
Layer 2 per-queue and per-channel packet and byte countersInstrumentation
(counters)
30 ■ Channelized DS3 IQ PIC
T1600 Internet Routing Node PIC Guide
