Installation guide

186 Extreme Networks Consolidated "e" and "i" Series Hardware Installation Guide
Alpine 3800 Series I/O Modules
GM-4Si Module
Figure 103 shows the GM-4Si module.
Figure 103: GM-4Si module
The GM-4Si module has four Gigabit Ethernet ports using standard MT-RJ connectors. The GM-4Si
module supports 1000BASE-SX only.
The default configuration of the GM-4Si module is as follows. All ports:
• Are added to the default VLAN as untagged.
• Inherit the properties of the default VLAN (protocol type, VLANid, and so forth).
• Operate in autonegotiation mode.
For optical specifications of the GM-4Si module, see Table 109 on page 349.
LEDs
The GM-4Si module has the following LEDs:
• Module status
• Port status
For information about the LEDs and their activity on the GM-4Si module, see “I/O Module LEDs” on
page 202.
38_GM4
S
Module status
LED
Port status LEDs
1 234
1000 Mbps ports