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SmartNode 4980 & 4990 User Manual
SN4990 Series model codes
The SmartNode 4990 series consists of several models. They differ in the number of PRI ports and voice chan-
nels supported. All SN4991 models come equipped with two 10/100/1000Base-T Ethernet ports and a high
precision clock. The SmartNode 4991 models are listed in
For SN4991 models, the Stratum III high precision clock provides a clock source of < 5 ppm. For PBXs that
used to rely on PSTN for accurate clock source, the SmartNode 4991 can provide a PSTN-equivalent high
precision clock. The popular DECT PBX needs such high precision clocks
Table 4. SmartNode 4991 G.SHDSL Models: PRI Ports and Voice Channels
Model
SN4991/1E15V2GS/EUI
SN4991/1E24V2GS/EUI
SN4991/1E30V2GS/EUI
SN4991/4E15VR2GS/EUI
SN4991/4E24VR2GS/EUI
SN4991/4E30VR2GS/EUI
SN4991/4E48VR2GS/EUI
SN4991/4E60VR2GS/EUI
SN4991/4E96VR2GS/EUI
SN4991/4E120VR2GS/EUI
SN4991/4E30V120R2GS/EUI
Table 5. SmartNode 4991 Fiber Model: PRI Ports and Voice Channels
Model
SN4991/1E15VF/EUI
SN4991/1E24VF/EUI
SN4991/1E30VF/EUI
SN4991/4E120VRF/EUI
SN4991/4E24VRF/EUI
SN4991/4E24VRF/EUI
SN4991/4E30V120RF/EUI
SN4991/4E30VRF/EUI
SN4991/4E48VRF/EUI
SN4991/4E60VRF/EUI
SN4991/4E96VRF/EUI
SmartNode 4980 and 4990 Series overview
Voice
PRI Ports
Channels
1
15
1
24
1
30
4
15
4
24
4
30
4
48
4
60
4
96
4
120
4
30
Voice
PRI Ports
Channels
1
15
1
24
1
30
4
120
4
15
4
24
4
120
4
30
4
48
4
60
4
96
Table
4,
Table
5,
Table 6
.
Relay
–
–
–
Relay
–
–
–
1 • General information
and
Table
7.
High Precision
G.SHDSL
Clock
High Precision
X.21
Clock
16
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