Installation Manual
H3C S5500-SI Complete Series Ethernet Switches
Chapter 1 Product Overview
1-23
1.6.3 Short-haul Dual-Port 10 GE CX4 Interface Module
Figure 1-13
Short-haul dual-port 10 GE CX4 interface module
This module provides two 10 Gbps electrical ports and supports CX4 electrical and
protocol standards. The maximum transmission distance is 3 m (9.8 ft). It uses standard
10GBase-CX4 cable no more than 3 m (9.8 ft).
Note:
You can use only dedicated CX4 cable to connect the port on the CX4 extension
module and another CX4 port. For dedicated CX4 cable, see section 1.7 "CX4 Cable".
1.6.4 Description of LEDs of Extension Modules
There is a LED for each port on the extended module panel. Table 1-10 describes the
LEDs.
Table 1-10
Description on LEDs of extension modules
LED
Mark
Status
Description
Green
ON
The port is normally
connected. The LED blinks
quickly when the port is
sending or receiving data.
Port LED of a
extended module
—
This LED is
not
affected by
the mode
button.
OFF
The port is not connected.
1.7 CX4 Cable
You can use the CX4 cable to connect the CX4 port on the rear panel of an S5500-SI
series switch to another CX4 port.
