Allied Telesis AT-EX1001SC/GM1 - Manual (Page 14)

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Figure 3 illustrates the front panel of the unit.
Figure 3 AT-EX1001SC/GM1 Front Panel
Fiber Optic Port 1 (P1)
Port 1 is a 1000Base-X port that operates with either 50/125 or 62.5/125 micron
multimode fiber and has a maximum operating distance of 2 kilometers (1.24
miles). This port operates in full-duplex mode at 1000 Mbps.
Note
Port 1 must be connected to Port 1 on another AT-EX1001SC/GM1
Multimode Extender. Do not connect Port 1 to any other type of network
device.
Fiber Optic Port 2 (P2)
Port 2 is a 1000Base-SX port that operates with either 50/125 micron
multimode fiber for a maximum operating distance of 550 meters (1500 feet) or
62.5/125 micron multimode fiber for a maximum distance of 275 meters (754
feet). This port can be connected to a switch, server, or other network device
that can operate at 1000 Mbps in full-duplex mode.
AC Power Socket
The single AC power supply socket in the front panel has autoranging AC
voltage inputs, ranging from 100 to 240 VAC, 50/60 Hz
EX1001SC/GM1
Port 2 (P2) Port 1 (P1)
1000Base-X
Fiber Optic
1000Base-SX
Fiber Optic