Watchguard XTM 1520 Hardware Manual page 7

All network interfaces are located on the front of the device.
From the left, the indicators and connectors are:
Network interfaces — XTM 1520, 1520-RP
XTM 1520 has a total of 14 network interfaces. All network interfaces have standard RJ45 connectors
and are labeled 0, 1,2, 3...13.
Network interfaces — XTM 1525, 1525-RP
The XTM 1525 has a total of 10 network interfaces. The six interfaces on the left have standard RJ45
connectors and are labeled 1, 2, 3, 4, 5, 6. The four network interfaces on the right have fiber
connectors and are labeled 6, 7, 8, 9.
Indicators for RJ45 interfaces
At the top of each RJ45 interface, there are two indicators. The indicator at the left of the interface is
the activity indicator for that interface. The indicator at the right shows the connection speed for that
interface.
Indicator
Activity (upper left)
Connection Speed
(upper right)
Hardware Guide
Indicator color
Yellow
Not lit
Blinks
(speed of blink increases as the
data flow increases)
Not lit
Green
Yellow
Hardware Specifications
Interface Status
Power on, link is established
Power off, no connections
Data sent and received
Operates at 10 Mbps
Operates at 100 Mbps
Operates at 1000 Mbps
5