RAD Data comm FCD-G703 Manual do Utilizador descarregar pdf (Página 3)

Data Sheet

SDH/SONET media can transport basic

Ethernet packets of up to 1536 bytes

enabling connection to MPLS networks.

The Spanning Tree Protocol (STP) and

Rapid Spanning Tree Protocol (RSTP)

support Layer 2 ring applications.

TDM INTERFACES

FCD-155E has an optional interface

module consisting of 8 or 21 balanced E1

or 8 or 28 T1 ports that transfer

transparent data in compliance with

G.703. The unbalanced E1 interface is

software-selectable.

An optional E3/T3 interface module

transports unframed E3/T3 data over

SDH/SONET.

Another optional interface module

combines E3 or T3 with 21 E1 ports, or T3

with 28 T1 ports.

TDM traffic is mapped into SDH/SONET

VC-12/VC-11/VC-3 or SONET VT1.5/STS-1

containers that can be placed anywhere

within the STM-1/OC-3 bandwidth.

MANAGEMENT

Remote units can be managed in the

following ways:

• Via DCC using IP tunneling over OSI

DCN based on ITU-T G.7712

• Via DCC based on IP/PPP protocols

• Via a dedicated virtual group

containing at least one VC-12/VT-1.5

channel

• Inside the user traffic in a virtual

group, separated from the user traffic

by the GFP Channel ID or VLAN tag

• Out-of-band, via direct connection to

one of the LAN ports.

Status and diagnostic information is

defined, configured, and monitored using

one of the following methods:

• ASCII terminal connected to the

V.24/RS-232 control port

• Telnet host via management platform

or LAN port

• Network management station running

RADview, the RAD SNMP network

management application

• TFTP applications to update software

and upload/download remote

configurations

• Web Based element manager.

DIAGNOSTICS

FCD-155E has comprehensive diagnostic

capabilities, including:

• Ethernet and SDH/SONET link

monitoring

• Real-time alarms to alert the user of

fault conditions. Alarms are reported

to the management station and

simultaneously relayed through a dry

contact port.

GENERAL

AC or DC power supplies are provided with

an alarm-activated fan for forced-air

cooling. They are available in redundant

and mixed AC/DC power supply

configurations.

FCD-155E is a compact 1U high 19-inch

unit that can be mounted in a 19-inch rack

with the optional rack-mount kit (see

Ordering

).

FCD-155E

STM-1/OC

-3

STM-1/OC-3

Protected VPN

PBX

LAN

Site 1

FCD-155

E

PBX

LAN

Site 2

FCD-155E

PBX

LAN

Site 3

STM

-1/OC-3

SDH/SONET

Figure 2. VPN over SDH/SONET

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