DGS-3630 Series Layer 3 Stackable Managed Switch Hardware Installation Guide 
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Components that can be found on the rear panel of this switch are listed in the table below. 
Provide a Kensington-compatible security lock to be able to connect to a secure 
immovable device. Insert the lock into the notch and turn the key to secure the 
lock. The lock-and-cable apparatus should be purchased separately. 
Use an electrical grounding wire and connect one end of the wire to the Switch 
GND and the other end of the wire to an electrical grounding point most commonly 
found on the Switch mounting rack itself. 
The AC power cord with a three-pronged AC power connector can be plugged into 
this receptacle to supply the Switch with 100-240 VAC power at 50-60 Hz. 
The power cord retainer hole is used to insert the power cord retainer to secure 
the AC power cord. 
An optional external RPS can be plugged into the RPS port found on the rear 
panel of switches in this series. When the internal power fails, this optional 
external RPS will supply power to the Switch immediately and automatically. 
The RJ45 (8 pins) Alarm port provides an external alarm detection. The Switch will 
send out the traps and logs when two of the pins are shorted among the pair. 
Inserting a flash drive into the USB 2.0 Type-A port provides an additional storage 
space for portable firmware images and configuration files that can be copied to 
and from the NVRAM of the Switch. 
The RJ45 MGMT port is an IP-based, OOB port for Telnet, web, or SNMP 
management that operates at 10/100/1000 Mbps wire-speed. This port can be 
used to configure the Switch without being connected to the network. 
The RJ45 console port can be used to connect to the CLI of the Switch for 
configuration, management, and monitoring. This port uses a special console 
cable (included in this package) with a DB9 interface to connect the Switch to the 
serial port (COM) of the PC. 
The Mini-USB console port can be used to connect to the CLI of the Switch for 
configuration, management, and monitoring. 
 
LED Indicators 
Located on the rear panel of this switch are LED indicators: USB and MGMT. 
 
This LED will light solid green if a USB flash drive is plugged in. 
This LED will blink green when the Switch is reading or writing data to and from 
the USB drive. 
This LED will be off when no USB drive is plugged into the USB port. 
This LED will light solid red when a USB drive failure has been detected. 
This LED will light solid green after a link to the MGMT port was successfully 
established. 
This LED will blink when activity on this port is taking place. 
This LED will be off when there is no link present or when this interface was shut 
down from within the Switch’s configuration. 
 
Please refer to the “LED Indicators” section in the Appendix A - Technical Specifications for more LED information.