S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
1-9
Cisco MDS 9100 Series Hardware Installation Guide
OL-21514-01
Chapter 1 Product Overview
Cisco MDS 9100 Series Ports
sooner if the higher-level temperature threshold is exceeded. For normal operation, the Cisco MDS 9124
Switch requires four fans. When fewer than four fans are operating on the Cisco MDS 9124 Switch, the
switch will shut down.
Except for the Cisco MDS 9148 Switch, Cisco MDS 9134 Switch, the fan modules each have one Status
LED. The Cisco MDS 9134 Switch and the Cisco MDS 9148 Switch fan modules do not have a Status
LED. Fan module status is also indicated on a front panel LED.
Procedures for replacing and installing the fan modules are available in the
“Removing and Installing
Components” section on page 2-25
.
Cisco MDS 9100 Series Ports
The Cisco MDS 9100 Series provides host, target, and Inter-Switch Link (ISL) connectivity.
Ports on the Cisco MDS 9148 Switch
The Cisco MDS 9148 Switch provides up to 48 autosensing and autonegotiating Fibre Channel ports
capable of speeds of 1, 2, 4, and 8 Gbps.By default, the Cisco MDS 9148 Switch may have 16, 32 or 48
ports enabled. On-Demand Port Activation Licensing allows expansion to 48 ports, with additional ports
available in 8-port increment.
Table 1-1
shows the mapping of ports to port groups.
Figure 1-7
Cisco MDS 9148 Ports
277229
2
1
3
4
1
Console port
3
16 default licensed ports
2
10/100/1000 Ethernet
management port
4
32 on-demand ports
