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Multichannel DS3 EOL PIC (M7i Router)

 

Software release

Description

  • Two DS-3 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

    • 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

  • Yellow—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

Related Documentation