For PBXs that used to rely on PSTN for an accurate clock source, the SmartNode 4971 can provide a PSTN-equivalent high precision clock. The popular DECT PBX needs such high precision clocks.
For high precision clock models, we recommend that customers replace SN4970 with SN4971 in the model code.
SN4971/1E15V/EUI SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 15 VoIP channels; upgradeable to 30, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/1E24V/EUI SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 24 VoIP channels; upgradeable to 30, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/1E30V/EUI SmartNode 1 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; not upgradeable , External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E120VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 120 VoIP channels; not upgradeable , Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E15VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 15 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E24VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 24 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E30V120R/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; upgradeable to 120, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E30VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 30 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E48VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 48 VoIP channels; upgradeable to 60, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E60VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 60 VoIP channels; not upgradeable , Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source
SN4971/4E96VR/EUI SmartNode 4 T1/E1 PRI VoIP Gateway, 1x GigEthernet, 96 VoIP channels; upgradeable to 120, Failover Relay, External UI Power, IPv6 ready, High Precision 5ppm Clock Source