Juniper T320 Manual page 153

Software features
Cables and connectors
LEDs
Alarms, errors, and
events
Copyright © 2015, Juniper Networks, Inc.
Quality of service (QoS) per channel: weighted round-robin (WRR), random early detection
(RED), weighted random early detection (WRED)
Enhanced fine-grained queuing per logical interface. See the Class of Service Feature Guide for
Routing Devices for more information about class of service features.
Packet buffering, Layer 2 parsing
Local line and remote payload loopback testing
Simple Network Management Protocol (SNMP): OC3 MIB
Encapsulations:
Circuit cross-connect (CCC)
Translational cross-connect (TCC)
Extended Frame Relay for CCC and TCC
Flexible Frame Relay
Frame Relay
Frame Relay for CCC
Frame Relay for TCC
Frame Relay port CCC
High-Level Data Link Control (HDLC)
HDLC framing for CCC
HDLC framing for TCC
MPLS CCC
MPLS TCC
Multilink Frame Relay (MLFR) UNI NNI (MFR FRF.16)
Point-to-Point Protocol (PPP)
PPP for CCC
PPP for TCC
Duplex LC/PC connector (Rx and Tx)
SONET/SDH OC3/STM1 fiber-optic SFP transceivers:
Multimode (model number: SFP-OC3-SR)
Intermediate reach (IR-1) (model number: SFP-OC3-IR)
Long reach (LR-1) (model number: SFP-OC3-LR)
Optical interface specifications—see
on page 40
One tricolor LED per port:
Status
Off—Not enabled.
Green—Online with no alarms or failures.
Yellow—Online with alarms for remote failures.
Red—Active with a local alarm; router has detected a failure.
SONET alarms:
Alarm indication signal—line (AIS-L)
Alarm indication signal—path (AIS-P)
Bit error rate—signal degrade (BERR-SD)
Bit error rate—signal fail (BERR-SF)
Loss of frame (LOF)
Loss of light (LOL)
Chapter 12: SONET/SDH PIC Descriptions
"SONET/SDH OC3/STM1 Optical Interface Specifications"
137