The R7141-L1 Analogue Telephone Adapter (R7141-L1) support SIP VoIP Protocol. The R7141-L1
Analogue Telephone Adapter (R7141-L1) allows 1~2 lines analog voice and fax communication over a
traditional data communications/data networking digital Internet.
The R7111-L1 Analogue Telephone Adapter (R7111-L1) support SIP VoIP Protocol.The R7111-L1
Analogue Telephone Adapter (R7111-L1) allows 1~2 lines analog voice and fax communication over a
traditional data communications/data networking digital Internet.
1.5 Front Panel LED Indicators & Rear Panels
R7121-L1
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LED State Description
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1. POWER On R7121-L1 is power ON
Off R7121-L1 is power Off
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2. LAN port On LAN is connected successfully
Flashing Data is transmitting
Off Ethernet not connected to PC
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3. WAN port On R7121-L1 network connection established
Flashing Data traffic on cable network
Off Waiting for network connection
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4. FXS (Phone) Off Telephone Set is On-Hook
Flashing Ring Indication
On Telephone Set is Off-Hook