H3C S6850 Series User Manual

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You can use a QSFP-40G-SR4-MM850 or QSFP-40G-CSR4-MM850 transceiver
module to connect one 100G QSFP28 port to four 10G SFP+ ports. The QSFP+
transceiver module and SFP+ transceiver modules to be connected must be the
same in specifications, including central wavelength and fiber type
Support for splitting
A QSFP28 port can be split into four 25G interfaces or four 10G interfaces, except in
the following situations:
• Interface numbered 31 on the S6850-56HF (excluding the LS-6850-56HF-H3)
and S6850-56HF-SAN switches cannot be split into four interfaces
• The interface numbered 31 on an S9850-32H switch cannot be split by default.
To split this interface, first enable the hardware resource flex mode for the
device by using the
hardware-resource flex-mode enable
command. For more information about the hardware resource flex mode, see
device management configuration in H3C S6805 & S6825 & S6850 & S9850
Switch Series Fundamentals Configuration Guide. Only F6633 and later
versions support port splitting of the interface numbered 31 on an S9850-32H
switch
• When the LSWM18CQ or LSWM18CQMSEC interface module is installed in
slot 2 on the S9850-4C switch, interface numbered 7 on the interface module
cannot be split into four interfaces
• When the LSWM124TG2H interface module is installed in slot 2 on the
S9850-4C switch, the interface numbered 25 on the interface module cannot
be split into four interfaces
Other restrictions
A 100G port on the device might fail to come up when a 100G DAC cable is used to
connect the port to an Intel network card, for example, Intel (rainbow) Eth
E810-CQDA. As a best practice, use an AOC cable or transceiver module for
connection to the Intel network card
QSFP+ port
Item Specification
Interface name 40 GE QSFP+ Ethernet optical interface
Product compatibility
• LSWM116Q interface module: 16 QSFP+ ports
• LSWM18QC interface modules: 8 QSFP+ ports
• LSWM124XG2Q, LSWM124XG2QFC, LSWM124XG2QL, and
LSWM124XGT2Q interface modules: Each 2 QSFP+ ports
Connector LC/MPO
Description
The 40 GE/100 GE QSFP+ Ethernet optical interfaces are mainly used for
transmitting and receiving 40 GE/100 GE Ethernet optical interface services
Compliant standard IEEE802.3ba
Optical interface
attribute
Depending on transceiver modules and cables
Operating mode Full duplex
Transceiver modules
and cables
• 40G QSFP+ transceiver modules
• 40G QSFP+ copper cables
• 40G QSFP+ fiber cables (AOC)
• 40G QSFP+ to 4*10G SFP+ copper cables
• With a QSFP+ to SFP+ adapter installed in a QSFP28 port, the QSFP28 port
supports SFP+ transceiver modules
• Before using a QSFP+ to SFP+ adapter, execute the
using tengige
command on the QSFP28 port where the adapter is to be installed
• The QSFP+ to SFP+ adapter is available only in R6555 and later versions

H3C S6850 Series Specifications

General

Brand	H3C
Model	S6850 Series
Category	Switch
Language	English