Chapter 4. Central processor complex I/O system structure 169
OSA-Express4S Gigabit Ethernet LX, FC 0404
OSA-Express4S Gigabit Ethernet SX, FC 0405
OSA-Express4S 1000BASE-T Ethernet, FC 0408
Table 4-11 lists the characteristics of the OSA-Express4S features.
Table 4-11 OSA-Express4S features
OSA-Express4S 10 Gigabit Ethernet LR (FC 0406)
The OSA-Express4S 10 Gigabit Ethernet (GbE) LR feature has one PCIe adapter and one
port per feature. The port supports CHPID types OSD and OSX. When defined as CHPID
type OSX, the 10 GbE port provides connectivity and access control to the IEDN from z13s
servers to IBM zBX. The 10 GbE feature is designed to support attachment to a single mode
fiber 10-Gbps Ethernet LAN or Ethernet switch that is capable of 10 Gbps. The port can be
defined as a spanned channel, and can be shared among LPARs within and across logical
channel subsystems.
The OSA-Express4S 10 GbE LR feature supports the use of an industry standard small form
factor LC Duplex connector. Ensure that the attaching or downstream device has an LR
transceiver. The sending and receiving transceivers must be the same (LR to LR).
The OSA-Express4S 10 GbE LR feature does not support auto-negotiation to any other
speed and runs in full duplex mode only. OSA-Express4S 10 GbE LR supports 64B/66B
encoding. However, the GbE supports 8B/10 encoding, making auto-negotiation to any other
speed impossible.
A 9-µm single mode fiber optic cable that terminates with an LC Duplex connector is required
for connecting this feature to the selected device.
OSA-Express4S 10 Gigabit Ethernet SR (FC 0407)
The OSA-Express4S 10 Gigabit Ethernet (GbE) SR feature has one PCIe adapter and one
port per feature. The port supports CHPID types OSD and OSX. When defined as CHPID
type OSX, the 10 GbE port provides connectivity and access control to the IEDN from z13s
servers to zBX. The 10 GbE feature is designed to support attachment to a multimode fiber
10Gbps Ethernet LAN or Ethernet switch capable of 10 Gbps. The port can be defined as a
I/O feature Feature
code
Number of
ports per
feature
Port
increment
Maximum
number of
ports
(CHPIDs)
Maximum
number of
features
CHPID
type
OSA-Express4S
10 GbE LR
0406 1 1 48 48 OSD,
OSX
OSA-Express4S
10 GbE SR
0407 1 1 48 48 OSD,
OSX
OSA-Express4S
GbE LX
0404 2 2 96 48 OSD
OSA-Express4S
GbE SX
0405 2 2 96 48 OSD
OSA-Express4S
1000BASE-T
0408 2 2 96 48 OSC,
OSD,
OSE,
OSM,
OSN
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