GLYPH<SM590000> Connectivity options – IBM z14™ servers can be connected to an  extensive range of interfaces, such as  FICON/FCP for SAN connectivity, 10 Gigabit Ethernet, Gigabit Ethernet, and  1000BASE-T Ethernet for LAN connectivity, zHyperLink Express for storage  connectivity (low latency compare to FICON).  – For CPC to CPC connections, IBM z14™  servers use Integrated Coupling Adapter  (ICA SR), CE LR, or Parallel Sysplex InfiniBand (IFB).  – The 25GbE RoCE Express2, 10GbE RoCE Express2, and the 10GbE RoCE Express  features provides high-speed memory-to-memory data exchange to a remote CPC by  using the Shared Memory Communications over RDMA (SMC-R) protocol for TCP  (socket-based) communications. GLYPH<SM590000> Concurrent I/O upgrade GLYPH<SM590000> Concurrent PCIe I/O drawer upgrade GLYPH<SM590000> Dynamic I/O configuration GLYPH<SM590000> Pluggable optics: – The FICON Express16S+ FICON Ex press16S and FICON Express8S,  OSA-Express7S, OSA-Express6S, OSA-Express5S, RoCE Express2, and RoCE  Express features have Small Form-Factor Pluggable (SFP) optics.$^{1}$ These optics allow  each channel to be individually serviced in a fiberoptic module failure. The traffic on the  other channels on the same feature can continue to flow if a channel requires  servicing.  – For zHyperLink Express, it uses the cablewith MTP connector and the cable goes to a  CXP connection to the adapter. The CXP optics are provided with the adapter. GLYPH<SM590000> Concurrent I/O card maintenance GLYPH<SM590000> Up to 320 FICON Express16S+ channels (up to 160 on M01) GLYPH<SM590000> Up to 320 FICON Express16S channels (up to 160 on M01) GLYPH<SM590000> Up to 320 FICON Express8S channels (up to 160 on M01)  GLYPH<SM590000> Up to 48 OSA-Express7S 25GbE SR ports GLYPH<SM590000> Up to 96 OSA-Express6S ports  GLYPH<SM590000> Up to 96 OSA-Express5S ports GLYPH<SM590000> Up to 16 zEDC Express features GLYPH<SM590000> Up to eight 25GbE RoCE Express2 features You can concurrently add I/O features to IBM z14™ servers if unused I/O slot positions are  available. More PCIe I/O drawers can be installed concurrently if free frame slots for the PCIe I/O  drawers are available. Dynamic I/O configuration supports the dynamic addition, removal, or modification of the  channel path, control units, and I/O devices without a planned outage. Every I/O card that is plugged in an I/O drawer or PCIe I/O drawer supports concurrent  card replacement during a repair action.  The following I/O features are supported:  4.2.2 Supported I/O features 1 OSA-Express4S, 5S and 6S 1000BASE-T features do not have optics (copper only; RJ45 connectors). 148  IBM z14 (3906) Technical Guide