3Com 4210G Series, Getting Started Manual

Page: 22 / 78

1-15
Interface Module Status LED
Table 1-14
Interface module status LED description
Mark Status Description
Green The interface module is in the slot and operates normally.
Flashing yellow
The inserted interface module type is incorrect or the interface
module fails.
MOD1
MOD2
Off No interface module is installed.
Optional Interface Modules
The Switch 4210G (excluding Switch 4210G NT 24-Port and Switch 4210G NT 48-Port) provide two
interface module slots on the rear panel. You can select the interface modules in
Table 1-15 as needed.
The Switch 4210G support IRF, requiring physical connections between devices. The 10 GE ports of
the supported interface modules support IRF, allowing you to connect the switches through these 10 GE
ports for IRF implementation.
Table 1-15
Description of the supported interface modules
Model Description
Interface quantity
and type
Remarks
3C17767
Short-haul Dual-Port
10 GE CX4 Interface
Module
2 × 10 Gbps electrical
ports
Suitable for short-distance
connections using CX4 power
cables, and support IRF
3C17766
Dual-Port 10 GE XFP
Interface Module 2 × 10 Gbps XFP
optical ports
3C17768
One-port 10 GE XFP
Interface Module 1 × 10 Gbps XFP
optical port
Using XFP optical transceivers
and fibers for long-distance
connections, and support IRF
LSPM2SP2P
Dual-Port 10 GE SFP+
Interface Module 2 × 10 Gbps SFP+
optical ports
Using SFP+ power cables for
short-distance connections, and
support IRF
Using SFP+ optical transceivers
and fibers for long-distance
connections, and support IRF
Short-haul Dual-Port 10 GE CX4 Interface Module
Figure 1-13
Short-haul dual-port 10 GE CX4 interface module