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Chapter 1 Introduction Installation and Operation Manual
1-4 Physical Description FCD-E1LC Ver. 1.0
FCD-E1LC units with the optional sublink can be used to interconnect other
equipment with fractional E1 interface (for example, a local digital PBX
equipped with an E1 trunk can be connected to the PBX at the main office)
The FCD-E1LC also provides Layer 2 (Ethernet bridge) services between a
remote LAN, for example, at a branch office, and the main office LAN. The
user can configure the FCD-E1LC to operate either as a LAN
extender/repeater that transparently transfers all the traffic on the local LAN
to the remote LAN, or as a remote bridge that filters the LAN traffic and
blocks traffic addressed to local stations. The FCD-E1LC bridge supports
VLANs and quality-of-service features.
The user can select the main link bandwidth allocated to each type of traffic in
accordance with the desired throughput.
1.3 Physical Description
Figure
1-2
shows a general view of a typical FCD-E1LC unit. FCD-E1LC is a
compact standalone unit, intended for installation on desktops or shelves. Unit
height is only 1U (1.75"). An optional rack-mount adapter kit enables the
installation of one or two FCD-E1LC units (side by side) in a 19-inch rack.
FCD-E1LC is cooled by free air convection, and does not include internal fans. The
FCD-E1LC front panel includes only indicators that indicate its status.
Figure
1-2. FCD-E1LC, General View
All the connections are made to connectors located on the rear panel. Two typical
rear panels are shown in
Figure
1-3
(your panel may look different, depending on
the ordered options). The rear panel includes the following connectors:
POWER connector – for connection to the power source (AC or DC)
MAIN connector – for the FCD-E1LC main link connection
SUB connector (optional) – for connection to the FCD-E1LC sublink
CONTROL DCE connector – for connection to the serial supervisory port
CH.1 connector – for connection to the channel 1 serial data port
CH.2 connector (optional) – for connection to the channel 2 serial data port
or
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