TC Communications TC1910, Руководство пользователя

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TC1910
User's Manual
Rev. 2.0 (A0.3)
"PWR A/B" LED:
It is on when power is present at PWR A/B connector on rear panel.
"VCC" LED:
It is on when adequate power is being derived from the power source.
"SW CTR" LED:
It is on when the Saved Settings equal the Default Settings. Otherwise, it will be
Off.
"Alarm" LED:
It will flash under the following conditions.
1. No Ethernet signal is detected. “LNK” LED will flash.
2. Communication link between Master and Slave is lost. “Sync” LED will flash.
3. FXS channel is not working properly. “CH-S” LED will flash.
4. Both Master and Slave are set to FXO. “HT-L” LED will flash.
5. “DFLT” switch is on. “MSTR” or “SLVE” LED will flash.
“Link” LED:
It is on when proper Ethernet signal is detected and flashing when it is not.
“ACT” LED (Active):
It is on when data traffic is detected at the Ethernet port. It is normal
that the LED will turn on occasionally.
“SYNC” LED:
It is on when the communication link is established between the
TC1910 pair (master and slave.) It will flash and the alarm will turn on
if the communication link is lost for more than 15 secs. The TC1910
pair will automatically re-establish the link after any power or network
disruption.
"DHCP" LED:
The DHCP option is available for slave unit only. The LED will flash when the
unit is getting the IP information from the DHCP server and it is on when the
unit got the information. The LED is off for the master unit or when DHCP
option is not set.
“ECHO CNCL” LED (Echo Cancellation):
It is on when the Echo Cancellation option is turn on.
“32K/16K CP-R” LEDs (Compression Rate):
It indicates the current ADPCM compression rate.
"TX / RX VOLUME" LEDs:
The LEDs indicate the volume levels on both outgoing
and incoming voice signals.
ALARM
Tx Rx
VOLUME
LINK
SYNC
FXS
FXO
32K
16K
CP-R
SLVE
MSTR
DHCP
ECHO CNCL
CH-S
HT-L
RING
OFHK
B
A
PWR
VCC
SW CTR