DT Etherlink IV
User Manual
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Local Craft Terminal (RS-232), Telnet, SNMP and WEB
Two levels of system users: administrator and user, protected with passwords
Supported operating modes:
Multi-Service Operation, Point-to-Point, Point-to-Multipoint and Ring Applications
3.2 Description of Etherlink_IV NTU Devices
Etherlink_IV NTU devices are available in a black shockproof ABS (Acrylonitrile butadiene styrene)
polymer (IP 20) enclosure or in a black metal DIN-Rail (IP 30) enclosure to withstand harsh
environmental conditions.
All LED to recognize the behaviour and see the status of the NTU device are integrated in the
connectors. On the black
ABS enclosure there are also some additional LED’s on the front panel.
Panel
Element
Description
Fr
o
n
t
P
a
n
e
l
D
S
L
«1»,«2»
«3»,«4»
A LED showing the status of the corresponding SHDSL line
Eth
A LED showing the status of the Ethernet port
E1
«1»,«2»
A LED showing the status of the corresponding E1 port
SIF
A LED showing the status of the Serial Interface port (usually Nx64)
C
o
n
n
e
c
to
r
S
ide
N
e
tw
o
rk
In
te
rf
a
c
e
Ethernet
A RJ45 connector for Ethernet int two LEDs
E1
A RJ45 connector for Е1 int two LEDs
Nx64
A HD26 connector (Dsub) for Nx64 interface
Mon
it
o
r
Monitor
A DB9 connector (female) for the local craft terminal (RS-232)
USB
An USB connector e) for the local craft terminal (USB)
-48VDC
A Molex (Mini-Fit) connector for a local primary DC power source
LP/DP
A switch for the power supply selection (local or distance/remote power)
D
S
L
«1»,«2»
«3»,«4»
A RJ45 connector for the xDSL line int two LEDs
A grounding bolt for the primary protection
Table 3.1 Connectors and LEDs on the NTU devices