Dell 1955 Hardware Owner's Manual page 13

Figure 1-3. Server Module Indicators
1 server module power indicator 2
4 KVM selection button
7 custom port (with custom
cable - USB [2] and video)
1
7
server module power button
5 daughter card status indicator 6
2
3
4
5
6
3 KVM selection indicator
Ethernet network indicator
About Your System
13