RAD Data comm Vmux-210 User Manual download pdf (Page 6)

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RAD Data Communications 2009 Catalog

V O I C E T R U N K I N G G A T E W A Y S

The Gmux-2000 is a carrier-class, modular voice

trunking gateway that provides a cost-effective

high capacity solution for reducing the

bandwidth required for voice transmission over

TDM, IP or MPLS networks.

Using state-of-the-art voice compression

algorithms, as well as voice activity detection,

silence suppression and RAD’s unique TDMoIP

multiplexing, Gmux-2000 can reach a maximum

compression ratio of 16:1, transmitting up to

112 E1/T1 links over as few as seven E1/T1s, or

over a single Gigabit Ethernet link. Alternatively,

Gmux-2000 can compress voice coming directly

from an STM-1/OC-3 voice trunk.

By optimizing signaling channels (SS7, PRI, etc.)

Gmux-2000 further reduces overall bandwidth.

Gmux-2000 maintains a high quality of voice,

while ensuring continued support of inband

telephony features, such as fax, modem, IVR,

and others.

When the Gmux-2000 is deployed opposite the

Vmux-2100, Vmux-110 or Vmux-210, it offers a

complete, cost-effective carrier-class voice

trunking solution.

Modules

Gmux-2000 is a 6U-high chassis, mountable in

a 19-inch ETSI or ANSI rack, and housing the

following modules:

•

Up to two PSN network uplink modules or

inband management modules

•

Two control modules

•

Three AC or DC power supply modules

•

Seven I/O modules (voice compression

modules or STM-1/OC-3 interface modules)

•

A cooling fans module

Gigabit Ethernet network modules, each

with a pair of redundant Gigabit Ethernet (GbE)

ports, support Ethernet IEEE 802.3ad, 802.1Q

(VLAN tagging) and 802.1p (priority bits).

Voice compression modules perform

compression and processing of E1/T1 traffic

flows, and transmit the compressed voice over

the E1/T1 main link ports on the module itself,

or through the internal bus to the GbE network

module. Each voice compression module is

capable of handling 12 or 16 incoming E1/T1s

(ordering option). These modules function as

server modules, meaning they can receive the

voice directly from the PBX/MSC (via a direct

Telco cable), or they can process voice coming

in from an STM-1 module. The voice

compression modules are capable of

functioning in point-to-multipoint topologies as

well.

STM-1/OC-3 interface modules perform SDH/

SONET multiplexing/demultiplexing of

channelized STM-1/OC-3 trunks into separate,

internal E1/T1 circuits (for processing by the

voice compression modules). Each STM-1/OC-3

interface module provides a pair of ITU-T G.703

coax or G.957, G.958 fiber optic links,

supporting 1+1 redundancy according to ITU-T

G.783.

Control modules provide the SNMP and

management interfaces for configuration and

control of the entire Gmux-2000 system. Each

control module provides redundant interfaces

for connecting external G.812 station clocks

and for alarm inputs/outputs.

Power supplies are hot-swappable plug-in

modules. Up to three AC or DC power supply

modules can be installed for load sharing and

redundancy. Two modules are required to drive

a fully equipped Gmux-2000 system.

Service center management and security

The Gmux-2000 features flexible management

capabilities, including local management via an

ASCII terminal (RS-232). In addition, remote

management can be performed either inband

or out-of-band, using one of the network ports

or the dedicated management port, while

maintaining separation between management

and user traffic via the use of VLANs. Advanced

•

Supports Inter-MSC 24&34 networks

•

Compresses up to 112 full E1/T1 voice

lines or a single STM-1/OC-3 voice line

over E1/T1, SDH/SONET or GbE links

•

Up to 16:1 voice compression, combined

with silence suppression and TDMoIP

multiplexing for maximal bandwidth

savings

•

Modular chassis with full hardware

redundancy

•

High quality voice

•

Transparent to all signaling protocols

and telephony features

•

Additional optimization of signaling

channels

•

Local and remote management via ASCII

terminal, Telnet or RADview-SC/Vmux

Gmux-2000

Carrier Voice Trunking Gateway

Voice trunking over multiple E1/T1 streams in a cellular network

E1/T1

FE1/FT1

STM-1/

OC-3

Gmux-2000

MSC

TDM/IP

E1/T1s

GbE

E1/T1s

MSC/BSC

Gmux-2000

STM-1/

OC-3

MSC

E1/T1s

GbE

Vmux-2100

For latest updates visit www.rad.com

FCAPS (Fault, Configuration, Accounting,

Performance, Security), service provisioning and

diagnostic tools are provided by

RADview-SC/Vmux, RAD’s network management

system, via an SNMP-based GUI.

The Gmux-2000 also supports a variety of

configuration access channels, including CLI over

Telnet, SNMP, and TFTP. Incorporated security

features include Secure Shell (SSH), Secure FTP

(SFTP), SNMPv3, and RADIUS, as well as

management access control list (ACL).

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