OptiCon SBG-1000 Quick Start Guide
22
7
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
Problem
Cause/Symptom
Solution
AC Power Fail
Check the AC Power source.
Check the Inlet and adapter connection.
Replace AC/DC adapter with a good one.
System power failure
Power On/Off Icon
(On – Normal, Off or blink – Abnormal)
Check DC Output voltage and DC/DC.
Power Short Circuit
(Adapter, DC/DC circuit on main board)
System does not operate
Bad Board Connection
(PSTN Back-up Board)
Check the connection between main board
and PSTN back-up board.
Check AC/DC adapter and DC/DC.
Check a short circuit on the main board
or PSTN back-up board.
Press the Reset button for system restart.
Press the Reset to defaults button for
The factory default mode.
Bad Connection
(Between the LAN port and IP Terminals)
Check the connection between the LAN port
and IP Terminals on MDF.
SBG has 4 PoE ports for LAN1 ~ LAN4.
The other ports (LAN5~LAN8) should be
connected adapter to IP Terminals.
Maximum Distance of LAN port
Check the Max. distance between the LAN
port and IP terminals
IP phone does not
operate
Bad IP Terminals
Plug the IP Terminals into another LAN port
that has been verified as working. If the IP
Terminals still does not work properly,
replace the IP Terminals.
SLT does not operate
Bad Connection
(Between the SLT port and SLT)
Check the connection between the lines of
the SLT on the MDF.
(Refer to connections for MDF)
CO line operation failure
Bad Connection
(Between the CO port and CO line)
Check the connection between the lines of
the CO on the MDF.
(Refer to connections for MDF)
Relay does not operate
Bad Connection
Check the connection.
(Refer to connections for MDF)
Alarm does not operate
Bad Connection
Check the connection.
(Refer to connections for MDF)
WAN does not operate
Bad Connection or IP Setting
Check the network connection.
(Refer to connections for MDF)
Check WAN type and IP setting.
WAN Icon (On : connected)
Check WAN LEDs on modular jack.
LAN does not operate
Bad Connection or IP Setting
Check the network connection.
(Refer to connections for MDF)
Check LAN LEDs on modular jack.
(Link/Activity, Speed)
WiFi does not operate
Bad Connection
Check wireless network and setting.
Recommend the wall mount for WiFi.
DECT does not operate
Bad Connection
Check DECT terminal setting.
Recommend the wall mount for DECT.
