Specifications

OfficeServ 7400 General Description
© Samsung Business Communications 2-29
2.3.4.6 4DSL
The 4DSL (Digital Subscriber Line) module uses VDSL technology to send/receive data
to/from external IP devices on the Intranet. (Applied after V2.45.)
Specifications
y Quadrature Amplitude Modulation (QAM) for four VDSL ports
y Transmission distance: 1.0 km
y Up/Down Links
− 0~300 m: Downstream 30 Mbps, Upstream 10 Mbps
− 300 m ~ 1 km: Downstream 20 Mbps, Upstream 3 Mbps
Front Panel
The front panel of the 4DSL data module is shown below.
Figure 2.17 Front Panel of 4DSL Module
The components on the front panel of 4DSL are as follows:
Table 2.21 Front Panel of 4DSL Module
Port / LED Function Description
P1~P4 Ports for connecting VDSL
LAN 10/100 BASE-T Ethernet Port for connecting to the upper Intranet
P1~P4 LED Port status
- Off: No Link connected
- On: Link in operation
- Blink: Data are being transmitted/received
FUL LED Indicates Full/Half duplex operation (LED turns on at Full operation)
100 LED Indicates the speed 10/100Mbps (LED turns on at the speed of 100)
ACT LED LED blinks when data is transmitted or sent
LNK LED Checks if a link is connected
4DSL
P1 P2 P3 P4
P1
P2 P3 P4
LAN
FUL 100 ACT LNK