SN4120 overview
16
SmartNode 4120 User Manual
1 • General information
SN4120 rear panel
The SN4120 is an ISDN BRI VoIP Gateway that supports two VoIP calls via a single ISDN BRI port (see
figure 1
). The SN4120 rear panel ports are described in
table 3
.
Figure 1. SN4120 rear panel
Table 3. Rear panel ports
Port
Description
ETH (LAN)
Switched Auto-MDX Fast-Ethernet port, RJ-45 (see
figure 1
), connect the unit to an
Internet Telephony Service Provider (ITSP) [via an xDSL or cable modem] or a
remote IP-PBX [via a private corporate network].
BRI TE
ISDN BRI TE (Usr) port, RJ-45 S0 (S/T)-interface (see
figure 1
), connects the
unit to an ISDN NT. Point-to-point or point-to-multipoint confgurable.
12V DC, 1.0A
The SN4120 has a 12V DC 1A power input (see
figure 1
).
Reset
The reset button (see
figure 1
) has three functions:
•
Restart the unit with the current startup configuration—Press (for less than 1
second) and release the
Reset
button to restart the unit with the current star-
tup configuration.
•
Restart the unit with factory default configuration—Press the
Reset
button
for 5 seconds until the
Power
LED (see
figure 2
on page 17) starts blinking
to restart the unit with factory default configuration.
•
Restart the unit in bootloader mode (to be used only by trained SN4120
technicians)—Starting with the unit powered off, press and hold the
Reset
button as you apply power to the unit. Release the
Reset
button when the
Power
LED starts blinking so the unit will enter bootloader mode.
SN4120/2BIS4V/EUI
(2x BRI/So + 4 voice/fax calls)
ETH 0/0
Reset
12V DC 1A
LAN
TE
TE
BRI 0/0
BRI 0/1
Содержание Smart Node 4120
Страница 18: ...18 Chapter 2 SN4120 Applications overview Chapter contents Typical application 19...
Страница 42: ...42 Appendix C Cabling Chapter contents Introduction 43 Ethernet 43 ISDN BRI 44...
Страница 45: ...45 Appendix D Port pin outs Chapter contents Ethernet 46 ISDN BRI TE User port 46...
Страница 47: ...47 Appendix E SN4120 factory configuration Chapter contents Introduction 48...