RAD Data comm 4-Wire Symmetrical VDSL Modem ASM-60 Manual de usuario descargar pdf (Pagina 11)

138

RAD Data Communications 2009 Catalog

ASMi-54, ASMi-54C

SHDSL.bis Modem and Multiplexer

The ASMi-54 SHDSL.bis modem and multiplexer

is a cost-effective, dedicated managed device

for extending E1/T1 and mid-band Ethernet

services based on multi-pair bonding

technology. Using TC-PAM 16 or

TC-PAM 32 line coding SHDSL.bis technology,

the ASMi-54 SHDSL.bis modem can operate in

full duplex mode over 2-wire, 4-wire or 8-wire

lines, achieving variable data rates up to

5.7 Mbps over 2-wire, 11.4 Mbps over 4-wire,

and up to 22.8 Mbps over 8-wire.

Point-to-point Ethernet and E1/T1 extension

The ASMi-54 supports point-to-point E1/T1 and

Ethernet extension of up to 22.8 Mbps over

8 wires (four pairs) using bonding of multiple

copper pairs. Monitoring, control and

diagnostics of local and remote units are

available via a supervisory port.

Failsafe Ethernet operations

The unit supports up to four 10/100BaseT ports

supporting half/full duplex auto-negotiation and

flow control. Fault propagation enables the unit

to shut down the Ethernet user port when an

SHDSL line failure is detected.

Multi-pair bonding ensures that a failure or

addition of a link does not drop the traffic being

transmitted over the other wires in the group. It

also maintains capacity when a new link is

added at a lower rate during Ethernet

transmission.

For LAN-to-LAN connectivity, the modem

features a built-in 10/100BaseT switch and

VLAN transparent support.

QoS support

The ASMi-54 SHDSL.bis modem supports both

quality of service (QoS) priority queues

according to 802.1p and IP Precedence, enabling

users to define different levels of QoS according

to the application requirements.

The ASMi-54 SHDSL.bis modem can be ordered

with a plastic box (2-wire, 4-wire) or a metal

enclosure (8-wire). Additionally, an optional rail

mount metal enclosure for extreme

temperatures meets the requirements for the

industrial market.

Card version for modem rack

The ASMi-54C card version for mounting in a

LRS-102 rack is available, providing a central-site

solution. The ASMi-54C SHDSL.bis module

multiplexes E1/T1 and Ethernet over one, two

or four pairs of SHDSL.bis copper lines. The

ASMi-54C operates in an LRS-102 chassis that

can contain up to 12 card modules, providing a

low-cost, and simple central-site solution for up

to eight ASMi-54 standalone units over 2-wire

or any other combination up to 8-wire.

The ASMi-54C modules enable migration from

TDM to IP networks by supporting colocation.

The unit can simultaneously connect up to eight

ASMi-54 units over 2-wire, four ASMi-54 over

4-wire, or two ASMi-54 over 8-wire. In addition

the ASMi-54C can support 8 x E1/T1 and two

10/100BaseT Ethernet ports. All management is

performed by using VLAN-aware mode.

Management options

The management connection to the standalone

unit is via:

•

Virtual terminal, inband and out-of-band

Ethernet port

•

Local terminal, Telnet server, SNMP, Web

browser

•

Dedicated VLAN for management

•

Point-to-point E1/T1 and Ethernet

extension

•

Standards compliant SHDSL (SHDSL

ITU-T G.991.2 and ETSI 101524)

•

Uses TC-PAM 16 or TC-PAM 32 to

support higher rate for G.991.2 Annexes

F & G

•

Data rates: up to 22.8 Mbps over

8-wire (four pairs), 11.4 Mbps over

4-wire (two pairs), and 5.7 Mbps over

2-wire (one pair)

•

Reliable performance over poor quality

or noisy lines

•

Four 10/100BaseT user ports with

integral switch

•

VLAN prioritization and Ethernet QoS

support

•

Managed via SNMP, Telnet and ASCII

terminal

•

Rail mountable metal case version

•

Card version (ASMi-54C) for the LRS-102

modem rack

D S L M O D E M S

For latest updates visit www.rad.com

SHDSL services with repeater

4 x ETH4 x ETH

ASMi-54

2W up to 8W

ASMi-54

SDH/SONET

IP/MPLS

Network

ETH

LRS-102/

Megaplex-4100

4 x ETH

ASMi-54

PBX

ASMi-54 ASMi-54Repeater

4 x ETH

PBX

4 x ETH

PBX

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