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Grandstream Networks HT502 User Manual

Grandstream Networks HT502
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P a g e | 14
HT502 User Manual
LED-07
Internet DHCP Error: Device is properly connected
but it is unable to retrieve an IP address from the
device it is connected to
Internet
250ms ON/ 250ms
OFF
LED-08
Line Registration failed: Device is properly setup,
can connect to provider's network, but cannot register
to provider's SIP proxy (no 200 OK)
Phone
2x1000ms ON/OFF
+
3sec OFF
LED-09
Device is connected (has physical data link) but there
are incorrect network settings typically associated
with PPPoE connection failure
Internet
250ms ON/ 250ms
OFF
LED-10
Hazardous potential test failed: Hazardous AC or DC
voltage is present on the tip and ring or both signals
of phone line X
Phone
1x250ms ON/OFF
+
3sec OFF
LED-11
Foreign electro Motive Force (EMF) Test fail. Foreign
voltage is present on the tip, ring or both signals of
phone line. Device has detected additional external
Phone voltage on the FXS phone line.
Phone
2x250ms ON/OFF
+
3sec OFF
LED-12
Resistive fault test failed. Either tip or ring is shorted
to ground or they are shorted to each other.
Phone
3x250ms ON/OFF
+
3sec OFF
LED-13
Receiver off hook test fail. One or more phones are off
hook on phone line during test.
Phone
4x250ms ON/OFF
+
3sec OFF
LED-14
REN test failed high REN detected. Too many
parallel phones connected to phone line X
Phone
5x250ms ON/OFF
+
3sec OFF
LED-15
Line is active
Phone
500ms ON/OFF

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Grandstream Networks HT502 Specifications

General IconGeneral
BrandGrandstream Networks
ModelHT502
CategoryTelephone Accessories
LanguageEnglish

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