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3.3 Rear Panel Description
The device's rear panel is shown in the figure below and described in the subsequent table.
Figure 2: Rear Panel
DC power plug entry for external AC/DC power adapter.
Reset pinhole button for resetting the device or restoring it to factory defaults. To restore to
factory defaults: with a paper clip or any other similar pointed object, press and hold down the
button for at least 12 seconds (but no more than 25 seconds). Please note that the device will
lose all its configuration!
WAN interface port Giga Ethernet (10/100/1000Base-T)
Ethernet link established.
Data is received or transmitted.
S2: FXS ports 1-4
S3: FXS ports 5-8 (applicable only to MP-508)