ZyXEL Communications PMG5317-T20A - Leds (Lights); Voip Features

Chapter 1 Introduction
PMG5317-T20A User’s Guide
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1.4.3 VoIP Features
You can register up to 2 SIP (Session Initiation Protocol) accounts and use the GPON Device to
make and receive VoIP telephone calls:
Figure 3 GPON Device’s VoIP Features
Calls via a VoIP service provider - the GPON Device sends your call to a VoIP service provider’s SIP
server which forwards your calls to either VoIP or PSTN phones.
1.5 LEDs (Lights)
The following graphic displays the labels of the LEDs.
Figure 4 LEDs on the Top Panel
None of the LEDs are on if the GPON Device is not receiving power.
PSTN
Internet
Table 1 LED Descriptions
LED COLOR STATUS DESCRIPTION
POWER
Green On The GPON Device is receiving power and ready for use.
Blinking The GPON Device is self-testing.
Red On The GPON Device detected an error while self-testing, or there is a
device malfunction.
Off The GPON Device is not receiving power and there is no device
malfunction.
PON
Green On The GPON Device has a PON line connection.
Blinking The GPON Device’s PON port is trying to build the connection.
Off The GPON Device’s PON port is not connected. The optical transceiver
may have malfunctioned or the fiber cable may not be connected or
may be broken or damaged enough to break the PON connection.