Software release
- JUNOS 5.2 and later
Description
- Two DS3 ports
- Power requirement: 0.31 A/48 V @ 14.9 W
- Supports up to 128 logical customer channels per DS3 port
Hardware features
- Support for NxT1 by interoperating with the Link Services and Multilink Services PICs, using MLPPP and MLFR protocols
- Onboard DSU functionality
Software features
- Support for four data-link connection identifiers (DLCIs) per logical customer channel
- DS3 alarm and event counting
- DS3 alarm and event detection
- DS3 diagnostics and loopback control
- DS3 framing: M13, C-bit
- T1 framing: super frame (SF) and extended super frame (ESF)
- 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
- Far-end Block Error (FEBE)
- Parity bit (P-bit) disagreements
- Path priority error
- Alarm Indication Signal (AIS)
- Loss of Signal (LoS)
- Out of Frame (OoF)
- Yellow alarm
- AIS Received
- Simultaneous BERT functionality
- Idle received
- Local and remote loopback
