Software release
- JUNOS 3.1 and later
Description
- Four E3 ports
- Power requirement: 0.47 A @ 48 V (22.5 W)
- Integrated DSU interoperability
Hardware features
- High-density E3 (34.368-Mbps) connectivity
- High-performance throughput on each port at speeds up to 34.368 Mbps, full duplex
- Scrambling support
- Subrate clocking support
- Rate policing on input
- Rate shaping on output
- Packet buffering, Layer 2 parsing
- Large MTUs, up to 9192 bytes
- Local and remote loopback
Software features
- Supports G-751 framing
- E3 diagnostics and loopback control
- E3 alarm and event counting and detection
- DS3 diagnostics and loopback control
- Bit error rate test (BERT); you can configure one port in BERT mode and configure the remaining channels to transmit and receive normal traffic
- Encapsulations:
- High-level Data Link Control (HDLC)
- Frame Relay
- Multiprotocol Label Switching (MPLS) circuit cross-connect (CCC)
- Point-to-Point Protocol (PPP)
Cables and connectors
- Custom 10 ft (3.05 m) posilock to BNC male cable, separate RX and TX
LEDs 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
Alarms, errors, and events
- Alarm indication signal (AIS)
- Equipment failure (does not affect service)
- Frame error
- Line code violation
- Loss of signal (LOS)
- Out of frame (OOF)
- Yellow alarm bit (A-bit) disagreements
