SN4120 overview
17
SmartNode 4120 User Manual
1 • General information
SN4120 front panel
Figure 2. SN4120 front panel
Figure 2
shows SN4120 LEDs, the LED definitions are listed in
table 4
.
Table 4. SN4120 LED definitions
LED
Description
Note
If an error occurs, all LEDs will flash once per second.
Power
When lit, indicates power is applied and the unit is in normal operation. Off indi-
cates no power applied. Flashes once per second during boot (startup).
VoIP
•
On indicates that the SN4120 is registered to an H.323 gatekeeper/SIP
server, or, in the case of direct routing, has at least one active VoIP connection.
•
Off indicates that the unit is not configured or registered, or has no active
direct-routed VoIP connection.
•
Flashing green indicates that the unit is attempting to register or has failed
to register.
BRI
Off indicates no active calls. Blinking when one or two B-channels are connected.
Ethernet
•
On when the Ethernet connection has a link indication.
•
Flashes when data is received or transmitted at the corresponding Ethernet port.
VoIP
BRI/So 0/1
Power
Ethernet
BRI/So 0/0
Summary of Contents for Smart Node 4120
Page 18: ...18 Chapter 2 SN4120 Applications overview Chapter contents Typical application 19...
Page 42: ...42 Appendix C Cabling Chapter contents Introduction 43 Ethernet 43 ISDN BRI 44...
Page 45: ...45 Appendix D Port pin outs Chapter contents Ethernet 46 ISDN BRI TE User port 46...
Page 47: ...47 Appendix E SN4120 factory configuration Chapter contents Introduction 48...
