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EMC Symmetrix DMX-3 Product Guide
Symmetrix DMX-3 Hardware
Multiprotocol
Channel Directors
The Symmetrix DMX-3 Multiprotocol Channel Director (MPCD),
through mezzanine card technology, supports Fibre Channel, GigE,
GigE IPv4/v6 (IPsec capable), iSCSI, and FICON protocols on
Symmetrix DMX systems.
The MPCD implements a flexible mezzanine card that delivers highly
configurable support for FICON channels to mainframe systems,
Fibre Channel connections to open systems configurations, or Gigabit
Ethernet support for iSCSI, or SRDF over IP connections.
Note: Contact your local EMC Sales Representative for currently supported
protocols. Table 17 on page 77 describes the supported Multiprotocol models.
FICON channel
director
FICON channel directors support native mode point-to-point
connections and FICON native mode switched point-to-point
connections to IBM 9672, G5/G6, z/900, and z/990 systems running
z/OS, z/VM, VM/ESA, and VSE/ESA operating systems. FICON
employs ESCON protocols that have been mapped to the FC-4
upper-level protocol layer of the Fibre Channel architecture. FICON
supports multiple concurrent I/O connections, channel program
multiplexing, and better link utilization than ESCON path switching.
FICON allows the consolidation of multiple ESCON channels into
one FICON channel.
The FICON mezzanine card provides up to four single-mode or
multimode LC bidirectional (full duplex) connections. Symmetrix
FICON channels transfer data at speeds up to 4 Gb/s.
Note: “Symmetrix FICON configurations” on page 94 contains information
on additional configuration options.
The Symmetrix DMX FICON design auto-detects 4 Gb/s, 2 Gb/s or
1 GB/s at switch or channel port login time.
The Symmetrix DMX-3 system may support up to eight FICON
channel directors. Table 20 on page 81 describes the FICON channel
director configurations supported in the DMX-3.
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