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13 Ethernet
(3) Notes on a 1000BASE-X connection
Only a connection by using auto-negotiation or a fixed connection in full-duplex
mode is supported.
Make sure that the remote device (such as a switching hub) uses auto-negotiation or
the fixed full-duplex mode setting.
If a transceiver not indicated in the Hardware Instruction Manual is used, correct
operation is not guaranteed.
(4) Automatic media detection operation and restrictions on 1000BASE-SX2
[AX1250S] [AX1240S]
In automatic media detection, priority is given to 1000BASE-X. When the 1000BASE-X link
is enabled, even if 10BASE-T, 100BASE-TX, or 1000BASE-T (RJ45) is being used,
1000BASE-X is automatically detected.
However, for SFP for 1000BASE-SX2, if RJ45 is being used, 1000BASE-X is not
automatically detected because the 1000BASE-X link is not enabled.
Therefore, for 1000BASE-SX2, use either of the following methods:
1.
Use the fixed media setting.
2.
Make sure an optical fiber cable and a UTP (RJ45) cable are not inserted at the
same time.
(5) Notes when inserting a 1000BASE-BX
If a 1000BASE-BX SFP transceiver is inserted when automatic media detection
functionality is enabled and the 10BASE-T, 100BASE-TX, or 1000BASE-T (RJ45) link is
enabled, note that a link-down temporarily occurs in 10BASE-T, 100BASE-TX, or
1000BASE-T.
#
1000BASE-BX10-D, 1000BASE-BX10-U, 1000BASE-BX40-D, or
1000BASE-BX40-U
When operation on the RJ45 side has precedence, insert the 1000BASE-BX SFP
transceiver by using either of the following methods:
1.
Insert an SFP transceiver with the fixed media (RJ45) setting.
2.
Insert the SFP transceiver before turning on the Switch.
194
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SFP transceiver [AX1250S] [AX1240S]
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