RAD Data comm FOMi-T1 Manual de usuario descargar pdf (Pagina 14)

137

RAD Data Communications 2011 Catalog

•

Extends the range of E3 or T3 signals

over fiber optic cable up to 110 km

(68 miles)

•

Wave Division Multiplexing (WDM)

module for operation over a single fiber

strand

•

Wide range of optical modules including

long haul lasers for extended range

•

Operates opposite Optimux, ACE and

DXC

•

Built-in diagnostics comply with V.54

standard

•

Dry contact alarm port for external

alert devices

The high speed FOM-E3 and FOM-T3 fiber optic

modems extend transmission range of electrical

E3 or T3 signals over fiber optic cables up to

110 km (68 miles).

Two models are available:

•

FOM-E3 for E3 rates (34.368 Mbps)

•

FOM-T3 for T3 rates (44.736 Mbps)

The FOM-E3 and FOM-T3 support a wide range

of fiber optic interfaces, including long haul

laser for extended ranges and WDM laser for

transmission over a single fiber.

Transparent to E3/T3 framing, the FOM-E3 and

FOM-T3 modems operate opposite RAD’s DXC

cross connect, Optimux-134 multiplexer (FOM-E3)

and Optimux-45 multiplexer (FOM-T3). Similarly,

they can operate opposite an ACE ATM access

device, enabling E3/T3 ATM traffic to be

transported over long distances on fiber and

connect to an ATM or SDH network device with

an electrical E3/T3 port.

FOM-E3 and FOM-T3 operation complies with

ITU G.703, G.921 and G.956 standards. In

addition, the modems support activation of

local and remote loopbacks in compliance with

the ITU V.54 standard.

The FOM-E3 and FOM-T3 modems include a dry

contact alarm port for relay of alarm conditions

to external alert equipment.

FOM-E3, FOM-T3

E3, T3 Fiber Optic Modems

For latest updates visit www.rad.com

FIBER MODEMS

•

Extends the range of equipment with

electrical E3, T3 or HSSI interfaces

•

Inband management on both local and

remote units

•

Redundancy on fiber optic link and

power supply

•

Wave Division Multiplexing (WDM)

module for operation over a single-

strand fiber optic link

•

Works opposite Optimux, ACE and DXC

•

Different clock modes including central

system clock

•

Wide range of modular optical

interfaces

The FOMi-E3 and FOMi-T3 are high speed fiber

optic modems that extend the transmission range

of electrical E3 or T3 over fiber optic cables:

FOMi-E3 for E3 rates (34.368 Mbps)

FOMi-T3 for T3 rates (44.736 Mbps)

Both modems can optionally support an HSSI

DCE interface, which operates at the same rate

as the modem type into which it is inserted (E3

at 34.368 Mbps and T3 at 44.736 Mbps). The

HSSI option also supports bit rates of one-half

and one-fourth of the main link rate. This option

enables connection of high speed HSSI routers

over backbones at E3 or T3 rates.

The FOMi-E3 and FOMi-T3 can substitute for an

ACE, DXC or Optimux unit at the central office

that works opposite identical devices at the

customer premises, thereby enabling low-cost

extension and conversion of E3/T3 fiber

interfaces to standard electrical interfaces. When

replacing an Optimux device at the central

office, the FOMi-E3 or FOMi-T3 enables the use

of one E3/T3 port on the ADM rather than using

many E1/T1 ports.

The optical interface of the FOMi-E3 or FOMi-T3

is modular. The modems support the wide range

of optical modules supported by the Optimux.

These modules include multimode, single mode,

laser, long haul laser, WDM, and all types of

optical connectors. There is an option to install

two optical interfaces for full redundancy of the

optical link. There is also an option of dual

power supplies for additional redundancy.

FOMi-E3 and FOMi-T3 feature flexible

management capabilities, including local

management via an ASCII terminal (RS-232). In

addition, remote management can be performed

out-of-band using a dedicated management

protocol.

FOMi-E3, FOMi-T3

E3, T3 and HSSI Manageable Fiber Optic Modems

For latest updates visit www.rad.com

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