Software release
- JUNOS 5.1 and later
Description
- Ten E1 ports
- Power requirement: 0.15 A/48 V @ 7.2 W
- Supports up to 24 NxDS0 channels per port
- Data Service Unit (DSU) functionality
Hardware features
- Ports configurable as clear channel E1 interfaces with 2.048-Mbps connectivity
- Rate limiting on input and output
- Packet buffering, Layer 2 parsing
Software features
- Four data-link connection identifiers (DLCIs) per logical customer channel
- Unframed E1 G.703 and G.704 framing modes
- HDB3 line coding
- CRC4 configurable
- Per-packet counts and byte counts
- Local and remote loopback testing
- 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
- 128-ohm RJ-48C
LEDs One bicolor per 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)
