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Level 01f
ISC-3 link feature
ISC-3 links provide Parallel Sysplex connectivity between a coupling facility and production systems
using z/OS operating systems. ISC-3 links operate at 2 Gbps in peer mode (connection between zEC12,
zBC12, z196, z114, z10 EC, z10 BC, z9 EC, z9 BC, z990, or z890 systems) at unrepeated distances up to 10
kilometers (6.2 miles).
Configuration information
Table 35 describes the ISC-3 feature.
Table 35. ISC-3 feature code
Feature code
0218
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 - LMC 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.
Note: On an initial system order, any request for more than two ISC-3 ports automatically generates
a minimum of two FCs 0217. This ensures maximum ISC-3 availability and efficiency.
v The system configuration tool places the ISC-3 feature port LMC across an appropriate number of
cards for high availability.
v See System z Planning for Fiber Optic Links (FICON/FCP, Coupling Links, and Open System Adapters) for
information about link distances and light loss budget.
Figure 24 on page 103 shows the ISC-3 feature, the links on the daughter cards, and the type of fiber
optic connector that plugs into the transceivers.
102
zEC12 IMPP
Description
2-port ISC-3
Fiber type
9 micron single mode
Connector type
LC Duplex
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