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Level 04a, June 21, 2004
ISC-3 Link Feature
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Configuration Information
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Connectivity Information
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ISC-3 Reference
ISC-3 links provide Parallel Sysplex connectivity between a coupling facility and
production systems using z/OS
operate at 1 Gbps in compatibility mode (connection between zSeries 800 and 9672
systems) or 2 Gbps in peer mode (connection between zSeries 800 systems or
zSeries 800 and zSeries 900, zSeries 890, or zSeries 990 systems) at unrepeated
distances up to 10 kilometers.
The table below lists the ISC-3 link feature code.
Feature Code
Description
FC 0218
4-Port ISC-3
v ISC-3 links are comprised of:
– FC 0218 - A "daughter" adapter card with two ISC-3 ports per card.
– FC 0217 - A "mother" card into which can be plugged two "daughter" cards.
– FC 0219 - LIC that activates the ports on a daughter card. Each port on a
daughter card is activated individually.
– The "mother" card, two "daughter" cards, and the individual port LIC can
combine to provide up to four ports per ISC-3 adapter.
v The system configuration tool places the ISC-3 feature port LIC across an
appropriate number of cards for high availability.
v There can be a maximum of 24 ports activated across 8 ISC-3 features.
4-Port ISC-3
v Cable type is single mode 9 micron fiber optic
v Cable connector is LC duplex
v See Fiber Optic Links Planning (ESCON, FICON, and Coupling Links),
GA23-0367 for information about link distances and light loss budget.
The following illustration shows the ISC-3 link card, the link ports on the card, and
the type of fiber optic connector that plugs to the ports.
®
®
and OS/390
operating systems. ISC-3 links
Fiber Type
9 micron single mode
Chapter 6. Cabling and Connectivity
Connector Type
LC Duplex
6-9
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