ZyXEL Communications P-870M-lx v2 Series Instrukcja Użytkownika Pobierz pdf (Strona 9)

Benefits:

■

Maximize the performance of copper wire with

higher speed and longer coverage distance

■

Provides 2-pair, 4-pair and 8-pair bonding with

symmetric bandwidth of up to 45 Mbps

■

The best replacement solution for legacy and

expensive lease lines

EFM (Ethernet-in-the-First-Mile), also known as IEEE 802.3ah,

is a matured technology for delivering symmetric bandwidth

to businesses, government offices and organizations with

multiple locations (multiple-site). It allows continuous

standard Ethernet network to reach across the globe,

eliminating non-native transport such as Ethernet over

ATM from the access networks. EFM delivers up to 5.7 Mbps

per line with standard equipment supporting up to 8-way

bonding—a relatively high-performance connection with

up to 45 Mbps bandwidth symmetrically with high stability,

low delay and low packet loss.

Today’s carriers are eager to connect business customers

to their metro networks. The G.SHDSL.bis EFM technology

is the best solution for enterprises with the demand to a

certain amount of transmission over symmetric bandwidth.

It has advantages of maximizing the performance of copper

wire with higher speed and longer distance coverage. By

leveraging pre-installed bundles of twisted-pair cable to

deliver the first-mile broadband network access, ZyXEL

bonded G.SHDSL.bis with EFM solution to smoothen the

issues of fiber-optic cable installation. In addition to offering

different bandwidth packages by using the G.SHDSL.

bis bonding technology, this is the best solution that

enables carriers to expand service offerings in high-margin

enterprise markets.

The use of IP over Ethernet in subscriber access applications

eliminates unnecessary network layers. It reduces the

number of elements on a network as well as the equipment,

operational and complexity costs. Simple architectures

are always easier to manage, especially in complicated

central environments. In the first mile, native Ethernet on

copper or optical fiber networks will provide significant

cost advantage over other technologies. These IP/Ethernet

networks can coexist with time-division multiplexing (TDM)

services.

The ZyXEL IES-708-22A G.SHDSL.bis is an 8-port IP DSLAM

using port bonding to create symmetrical connections; by

bundling up to eight pairs of copper wires, it makes point-

to-point connections of up to 45.6 Mbps possible. With the

multi-pair bonding (ITU G. bond or ITU G.998.1) between

two IES-708s, the data traffic is distributed to the remaining

connections within the group if a link fails. When the link

becomes available again, it is automatically reintegrated

into the group; as such different or unsteady line quality

within the group does not cause any interruption. The

ZyXEL IES-708-22A can be used as either DSLAM or STU-R

(end device) depending on the firmware loaded.

ZyXEL’s P792 G.SHDSL.bis Series complies with the ITU-T

991.2 G.SHDSL, G.SHDSL.bis and IEEE 802.3ah standards

and offers superior Ethernet connection reliability with

unmatched rate and reach. The P-793H Series complies

with ITU-T G.998.1 (G. Bond) and supports 4-wire bundle for

higher bandwidth and longer distance.

With ZyXEL’s End-to-end G.SHDSL.bis with EFM Solution

for business customer edge on customer premises, service

providers can quickly and cost-effectively introduce

profitable broadband services to businesses, governments,

schools and other organizations by fulfilling the demand for

higher bandwidth with manageable cost. Please refer to the

application diagram and supported product tables for more

details.

2. G.SHDSL.bis with EFM Solution

Figure 3-2: The ZyXEL G.SHDSL with EFM Solution

Location ZyXEL Product List for the G.SHDSL.bis with EFM Solution

At CO Sites

IES-6000 (16-slot CO MSAN, chassis)

SLC1348G-22 (48-port, G.SHDSL/G.SHDSL.bis line card)

IES-5000 (8-slot CO MSAN, chassis)

SLC1348G-22 (48-port, G.SHDSL/G.SHDSL.bis line card)

At Remote Sites

IES-5005 (4-slot Remote MSAN, chassis)

SLC1348G-22 (48-port, G.SHDSL/G.SHDSL.bis line card)

IES-1000 (2-slot, Remote mini MSAN, box)

SAM1316-22 (16-port, G.SHDSL.bis line card)

At Subscriber Building

Basements

IES-708-22A (8-port, G.SHDSL.bis Remote Compact DSLAM)

(Add one extra fiber/Ethernet transceiver or FSG-1100 for 10 km connectivity)

At Subscriber Sites

P-791R v2 Gateway (G.SHDSL.bis modem)

P-792H v2 Security Gateway (G.SHDSL.bis, 4-port switch)

P-793H v2 Bonding and Security Gateway (G.SHDSL.bis, 4-wire bonding, 4-port switch)

CO MSAN

IES-6000/IES-5000

Compact DSLAM

IES-1000

Remote DSLAM

IES-5005

48-port EFM/ATM

G.SHDSL/G.SHDSL.bis Line Card

SLC1348G

G.SHDSL.bis Extension Module

SAM1316

G.SHDSL.bis GW

P-793H v2/P-792H v2

G.SHDSL.bis GW

P-793H v2/P-792H v2

EFM

Active Fiber GW

FSG1100HN

IP Core

Network

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