
DG-GS4900 Series Installation Guide
11
1.4.5 Interface Description of Front Panel
DG-GS4900 series switches provide RJ-45 1000Mb copper port and the interface of
SFP 1000Mb fiber transceivers.
Interface mode
Spec
RJ-45 port
•
10/100/1000Mbps auto negotiation
•
MDI/MDI-X cable mode auto negotiation
•
5 kinds of UTP: 100 m
SFP
•
SFP-SX-L transceiver
1000Base-SX SFP(850nm,MMF,550m)
•
SFP-LX-L transceiver
1000Base-LX SFP
Table 1-7 interface descriptions
1.4.6 Extended Module Description
DG-GS4900
series
provides 2 slots
to
install 2
DG-SA-GS4900-2XFP ,DG-SA-GS4900-2SFP+ extended modules.
Extended module
model
DG-GS4900 series switch
Extended module
description
DG-SA-GS4900-2XFP
Support 10Gb
10Gb XFP extended module
with double ports
DG-SA-GS4900-2SFP+
Support 10Gb
10Gb compatible module with
double ports
DG-SA-GS4900-2SFP
Support 1Gb
1Gb compatible module with
double ports
Table 1-8 interface descriptions
Take DG-SA-GS4900-2XFP as an example, extended module diagram is shown as
follows: