`the two Signal Pairs
`
`Karl Nakamura
`karln@cisco.com
`Roger Karam
`rkaram@cisco.com
`
`309-E
`1171_04F8_c1
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`Cisco Systems
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`1
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`Juniper Ex 1042-p. 1
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`2 Signal Pair Operation
`
`(cid:127) Overview
`(cid:127) Phone Discovery
`(cid:127) Power Delivery
`(cid:127) Signal Quality Impact
`
`309-E
`1171_04F8_c1
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`Cisco Systems
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`2
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`Juniper Ex 1042-p. 2
`Juniper v ChriMar
`IPR2016-01397
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`
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`2 Signal Pair Overview
`
`309-E
`1171_04F8_c1
`
`Cisco Systems
`
`3
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`Juniper Ex 1042-p. 3
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Phone Discovery
`
`(cid:127) Using Discovery Tone in Loopback without
`power (see “DTE Power via MDI” by Vafa
`Rakshani and Kevin Brown of Broadcom on
`11/8/99, 3/8/00)
`(cid:127) Each Port on Switch Individually Controlled
`(cid:127) Power from Switch up to 8-10 Watts @ 48V (see
`“LAN Magnetics operating under DC Bias
`Conditions” by Henry Heinricks of Pulse
`Engineering on 11/8/99)
`
`309-E
`1171_04F8_c1
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`Cisco Systems
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`4
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`Juniper Ex 1042-p. 4
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Signal Quality Measurements
`
`309-E
`1171_04F8_c1
`
`Cisco Systems
`
`5
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`Juniper Ex 1042-p. 5
`Juniper v ChriMar
`IPR2016-01397
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`
`
`Signal Quality Measurements
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`309-E
`1171_04F8_c1
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`Cisco Systems
`
`6
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`Juniper Ex 1042-p. 6
`Juniper v ChriMar
`IPR2016-01397
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`
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`Signal Quality Measurements
`
`309-E
`1171_04F8_c1
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`Cisco Systems
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`7
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`Juniper Ex 1042-p. 7
`Juniper v ChriMar
`IPR2016-01397
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`
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`Signal Quality Measurements
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`309-E
`1171_04F8_c1
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`Cisco Systems
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`8
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`Juniper Ex 1042-p. 8
`Juniper v ChriMar
`IPR2016-01397
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`
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`Signal Quality Measurements
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`309-E
`1171_04F8_c1
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`Cisco Systems
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`9
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`Juniper Ex 1042-p. 9
`Juniper v ChriMar
`IPR2016-01397
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`
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`Signal Quality Measurements
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`309-E
`1171_04F8_c1
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`Cisco Systems
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`10
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`Juniper Ex 1042-p. 10
`Juniper v ChriMar
`IPR2016-01397
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`
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`Signal Quality Measurements
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`309-E
`1171_04F8_c1
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`Cisco Systems
`
`11
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`Juniper Ex 1042-p. 11
`Juniper v ChriMar
`IPR2016-01397
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`
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`Detection Pulses
`
`309-E
`1171_04F8_c1
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`Cisco Systems
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`12
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`Juniper Ex 1042-p. 12
`Juniper v ChriMar
`IPR2016-01397
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`
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`Return Loss (No Current)
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`309-E
`1171_04F8_c1
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`Cisco Systems
`
`13
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`Juniper Ex 1042-p. 13
`Juniper v ChriMar
`IPR2016-01397
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`
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`Return Loss(With Current)
`
`309-E
`1171_04F8_c1
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`Cisco Systems
`
`14
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`Juniper Ex 1042-p. 14
`Juniper v ChriMar
`IPR2016-01397
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`
`
`Advantages of 2 Signal Pair Powering
`From the Switch
`(cid:127) Preserve 2-pairs legacy wiring
`(cid:127) No Patch Panel Work for New Line Cards
`(cid:127) Does not lock us in mid-span powering for ever
`(cid:127) No Patch Panel Work for Gigabit Ports
`(cid:127) No additional Rack Space Required
`(cid:127) Few Components needed on the Switch/DTE
`Isolated side of the Magnetics Features:
`(cid:127)
`2000V Isolation and ESD Protection
`Differential Signaling
`Meets IEEE 802.3 SPECIFICATIONS
`(cid:127) EMI Tested and Verified to meet FCC Class B limits at the DTE
`and the Switch
`
`309-E
`1171_04F8_c1
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`Cisco Systems
`
`15
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`Juniper Ex 1042-p. 15
`Juniper v ChriMar
`IPR2016-01397
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`
`
`Integration Path for the Future
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`309-E
`1171_04F8_c1
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`Cisco Systems
`
`16
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`Juniper Ex 1042-p. 16
`Juniper v ChriMar
`IPR2016-01397
`
`
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