System ID (blue beacon
LED)
9USB mini Type B console
port
3
Reset button10USB Type A host port4
Two power supply slots
4
11Ethernet management
RJ-45 port
5
Console port (RJ-45
Serial)
6
4
Power supplies that are ordered are installed in the switch. If the second power supply is not ordered,
a blank panel is installed.
SFP and SFP+ Transceiver Module Ports
The chassis contains 16/24/32/40 ports of 10-Gigabit Ethernet SFP+ or 100BASE-FX fiber-optic transceiver
modules. All ports support 1-Gigabit SFP, 10-Gigabit SFP+, or 100BASE-FX fiber-optic SFP modules with
two 40-Gigabit uplink ports on selected switch models.
The ports also support Cisco Trust Security (CTS) and virtual switch link (VSL) and can operate as an Instant
Access (IA) Parent in both 1-Gigabit, 10-Gigabit modes and 40-Gigabit modes.
The SFP and SFP+ transceiver modules provide copper or fiber-optic connections to other devices. These
transceiver modules are field-replaceable and provide the uplink interfaces when installed in an SFP module
slot. The SFP transceiver modules have LC connectors for fiber-optic connections or RJ-45 connectors for
copper connections.
For a list of supported SFP and SFP+ modules, see the switch data sheet: http://www.cisco.com/c/en/us/
products/collateral/switches/catalyst-6800-series-switches/datasheet-c78-734470.html.
The odd-numbered ports are on the upper row and the even-numbered ports on the lower row. The following
figures show how the ports and the LEDs are numbered on different switch models. This section also explains
the port mapping between 10-Gigabit and 40-Gigabit ports.
Catalyst 6816-X-LE
Figure 5: 10G native port numbering
Table 2: Port mapping for Catalyst 6816-X-LE
Configurable 40-Gigabit ports
5
10-Gigabit ports
171, 2, 3, and 4
Catalyst 6840-X Switch Series Hardware Installation Guide
9
Product Overview
SFP and SFP+ Transceiver Module Ports
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