Juniper DPCE-X-20GE-2XGE User Manual

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Per-MIC SONET/SDH framing

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Internal and loop clocking

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Encapsulations:

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Pseudo Wire Emulation Edge-to-Edge (PWE3) Architecture (RFC 3985)

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Requirements for Pseudo-Wire Emulation Edge-to-Edge (PWE3) (RFC 3916)

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Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP) (RFC 4553)

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Structure-Aware Time Division Multiplexed (TDM) Circuit Emulation Service over Packet
Switched Network (CESoPSN) (RFC 5086)

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Pseudowire Emulation Edge-to-Edge (PWE3) Control Word for Use over an MPLS PSN (RFC
4385)

Software features

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Duplex LC/PC connector (Rx and Tx)

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SONET/SDH OC3/STM1 small form-factor pluggable (SFP) transceivers:

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Multimode (model number: SFP-OC3-SR)

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Intermediate reach (IR-1) (model number: SFP-OC3-IR)

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Long reach (LR-1) (model number: SFP-OC3-LR)

Optical interface specifications—see SONET/SDH OC3/STM1 Optical Interface Specifications

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SONET/SDH OC12/STM4 small form-factor pluggable (SFP) transceivers:

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Short reach (model number: SFP-OC12-SR)

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Intermediate reach (IR-1) (model number: SFP-OC312-IR)

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Long reach (LR-1) (model number: SFP-OC12-LR)

Optical interface specifications—see SONET/SDH OC12/STM4 Optical Interface Specifications

NOTE:

To extend the life of the laser, when a MIC is not being actively used with any valid links,

take the MIC offline until you are ready to establish a link to another device. For information about
taking a MIC offline, see the

request chassis pic offline

command in the Junos OS System Basics

and Services Command Reference.

Cables and connectors

OK/FAIL

LED, one bicolor:

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Green—MIC is functioning normally

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Yellow—MIC has failed

LINK

LED, one tricolor per port:

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Off—Not enabled

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Green—Online with no alarms or failures

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Yellow—Online with alarms for remote failures

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Red—Active with a local alarm; router has detected a failure

LEDs

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