SmartNode 4980 & 4990 User Manual
SN4980 Series model codes
The SmartNode 4980 series consists of several models. They differ in the number of PRI ports and voice chan-
nels supported. All models come equipped with two 10/100/1000Base-T Ethernet ports. The SmartNode
4980 PRI ports and voice channels are listed in
Model
SN4980/1E15V/EUI
SN4980/1E24V/EUI
SN4980/1E30V/EUI
SN4980/4E15VR/EUI
SN4980/4E24VR/EUI
SN4980/4E30VR/EUI
SN4980/4E48VR/EUI
SN4980/4E60VR/EUI
SN4980/4E96VR/EUI
SN4980/4E120VR/EUI
SN4980/4E30V120R/EUI
SN4980/4E30V120R/UI
The high precision SmartNode 4981 models have a Stratum III clock that provides a clock source of < 5 ppm.
The SN4981 can provide a PSTN-equivalent clock for PBXs that used to rely on PSTN for an accurate clock
source. The popular DECT PBX needs such high precision clocks
Model
SN4981/1E15V/EUI
SN4981/1E24V/EUI
SN4981/1E30V/EUI
SN4981/4E15VR/EUI
SN4981/4E24VR/EUI
SN4981/4E30VR/EUI
SN4981/4E48VR/EUI
SN4981/4E60VR/EUI
SN4981/4E96VR/EUI
SN4981/4E120VR/EUI
SN4981/4E30V120R/EUI
SN4981/4E30V120R/UI
SmartNode 4980 and 4990 Series overview
Table
Table 2. SmartNode 4980 PRI Ports and Voice Channels
PRI Ports
Channels
1
1
1
4
4
4
4
4
4
4
4
4
Table 3. SmartNode 4981 PRI Ports and Voice Channels
PRI Ports
Channels
1
1
1
4
4
4
4
4
4
4
4
4
2, and high precision clock models are listed in
Voice
Relay
15
–
24
–
30
–
15
24
30
48
60
96
120
30
30
.
Voice
Relay
15
–
24
–
30
–
15
24
30
48
60
96
120
30
30
1 • General information
Table
Internal
High Precision
Power
Clock
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Internal
High Precision
Power
Clock
–
–
–
–
–
–
–
–
–
–
–
3.
15