Software release
- JUNOS 5.6 and later
Description
- Ten E1 ports
- Power requirement: 0.15 A @ 48 V (7.2 W)
- Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface.
- Channelization: E1, DS0
Hardware features
- Data Service Unit (DSU) functionality
- Ports configurable as clear channel E1 interfaces with 2.048 Mbps connectivity
- Supports unframed E1 G.703 and G.704 framing modes
- Supports HDB3 line coding
- CRC4 configurable
- Local and remote loopback testing
Software features
- Quality of Service (QoS) per channel: Weighted Round Robin (WRR), Random Early Drop (RED), Weighted Random Early Drop (WRED)
- Simple Network Management Protocol (SNMP): E1 MIB, DS0 MIB
- Dynamic, arbitrary channel configuration
- Full Bit Error Rate Testing (BERT)
- Encapsulations:
- High-level Data Link Control (HDLC)
- Frame Relay
- Multiprotocol Label Switching (MPLS) circuit cross-connect (CCC) and translational cross-connect (TCC)
- Point-to-Point Protocol (PPP)
Cables and connectors
- 120 ohm RJ-48C
LEDs One bicolor per E1 port:
- Off—Port not enabled
- Green—Physical E1 link is up; individual subchannels can be down
- Red—Physical E1 link is down
Alarms, errors, and events
- Alarm indication signal (AIS)
- Loss of frame (LOF)
- Out of frame (OOF)
- Failed signal rate (FSR)
Instrumentation (counters)
- Layer 2 per-queue and per-channel packet and byte counters
