`Cabling Support
`
`Robert D. Love
`LAN Connect Consultants
`
`Dave Kooistra
`IBM
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 1
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Dealing with Past Cabling
`Choices and with Ethernet’s
`Success
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 2
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Cabling Mix Within the Enterprise
`
`• 100% UTP - Most small and mid size
`organizations
`– New installations primarily 4-pair Cat 5 or 5e
`– Old installations Cat 3, 2-pair, 3-pair, 4-pair
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 3
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Cabling Mix Within the Enterprise
`
`• 100% UTP - Most small and mid size
`organizations
`• Mostly UTP, some STP - A few mid-size
`and many large organizations
`• Mostly STP - a few large organizations
`– e.g.. IBM has an estimated 1/2 million STP
`drops
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 4
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Cabling Mix Implications
`• With mixed cabling infrastructure
`– Solutions are sought that run over the entire
`spectrum of installed cabling
`• Legacy cabling is still an important to the
`end users
`– Need to support legacy cable can affect
`decision for entire enterprise
`– Premature replacement adds cost without
`increasing function
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 5
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`Are there emerging
`requirements?
`• In parts of Europe use of two pair shielded
`100 ohm cabling to an outlet was and still is
`a popular choice - allowed by IS11801
`• Emerging Cat 7 cabling systems are being
`purchased with the expectation of
`supporting multiple applications with 2-pair
`per outlet
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 6
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`CIO Objectives
`• Introduce applications based on need, and in
`part, on their ability to be replicated
`throughout the enterprise
`• Replace cabling plants that can not robustly
`support required applications
`• Choose minimum total cost solutions
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 7
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`CIO Expectations
`• For large enterprises they can expect to
`have to support both legacy 2-pair cabling
`plants, and possibly new 2-pair installations,
`in addition to 4-pair wiring
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 8
`Juniper v ChriMar
`IPR2016-01397
`
`
`
`What Technical Solutions
`Address User Requirements?
`
`• Where 4-pair cabling is available, the 4-pair
`only solution meets requirements
`• If 4-pair are not available, then a 2-pair
`solution is the only one that will save the
`costs of re-cabling
`
`• Make sure any solution can be applied to
`legacy 2-pair as well as 4-pair cabling!
`
`May 24-25, 2000
`802.3af Ottawa
`
`Rdlove@ieee.org
`kooistra@us.ibm.com
`
`Juniper Ex 1041-p. 9
`Juniper v ChriMar
`IPR2016-01397
`
`
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