18
Functions of Sigrand SG-17B indicators are shown in Table 5.
Table 5
Indicator
State
Meaning
POWER
PWR
Lighted
The modem is on
Not Lighted
The modem is off
READY
Lighted
The modem is ready to work
Not Lighted*
The modem is not ready to work
ETHERNET
LINK
Lighted
The modem is connected to an Ethernet
Not Lighted
The modem is connected to an Ethernet
Flashing
Data is exchanged via Ethernet
100M
Lighted**
The modem is connected to 100Base-TX
network
Not Lighted**
The modem is connected to 10Base-TX
network
DSL
LINK
Lighted
DSL connection is established
Flashing
DSL connection is being established
Not Lighted
DSL connection is not established
CO
Lighted
Modem operate in master (CO) mode
Not Lighted
Modem operate in slave (CPE) mode
PoDSL
( only for modification modems: SG-17B-441
и SG-17B-351 )
UNB
Lighted***
Upset the balance
Not Lighted
Operate normally
OVL
Lighted
Overload source PoDSL
Not Lighted
Operate normally
*
If the Ready indicator is not lighted after 1 – 2 minutes after turning on the modem, it is mean that
modem not is working properly.
**
Indicator 100M relevant only when the indicator LINK is lighted or flashing.
***
Unbalanced remote power to the ground. Normally on one wire plus 120 on the other - minus 120
V. If there is more bias of 30 V, indicator lights UNB. Cause misalignment may be leaking or the
closure of one of the wires on the "ground."
