5.5
5.4 LONG DISTANCE ETHERNET
4DSL
The 4DSL extends Ethernet over single-pair copper wiring at distances of up to 1 km (0.6 miles).This long dis-
tance Ethernet solution is comprised of the 4DSL module and Samsung’s VDSL modem. Each 4DSL multiplex-
es traffic from 4 VDSL modems into one 100M Ethernet port that connects to any Ethernet port on the LIM
or external Ethernet Switch. Utilizing VDSL technology, 4DSL delivers data up to 10 Mbps to the IP devices in
the remote facility. This solution provides an easy and simple LAN-to-LAN connectivity to a remote facility.
SPECIFICATIONS
•
4 xDSL ports
•
Transmission distance: 1 km
•
Up/down link:
— 0~300 m: Downstream 30 Mbps, Upstream 10 Mbps
— 300 m~1 km: Downstream 20 Mbps, Upstream 3 Mbps
Samsung
4DSL Module
4DSL
Samsung
VDSL Modem
Sales Office across the Parking Lot
OfficeServ 7200
Main Office Site
Example: 1650’
Cable Run
between LDE
card and
Modem. Private
or Leased Cable
Pairs.
FIGURE 5-2
