Juniper M120 - Chassis Components and Descriptions; M120 Router Chassis Description

Channelized DS3 IQ PIC
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JUNOS 8.0R2 and later (Type 1)
NOTE: This PIC is not supported in JUNOS Release 8.1R1.
Software release
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Four DS3 ports
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Power requirement: 0.32 A @ 48 V (15.6 W)
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Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface
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Channelization: DS3, DS0
Description
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Data service unit (DSU) functionality
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Subrate and scrambling:
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Digital Link/Quick Eagle
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Kentrox
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Larscom
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ADTRAN
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Verilink
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B3ZS line encoding
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M13 or C-bit parity
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Full bit error rate test (BERT)
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Local and remote loopback testing
Hardware features
Channelized DS3 IQ PIC ■ 33
Channelized DS3 IQ PIC