RAD Data comm Megaplex-2104 Manual de usuario descargar pdf (Pagina 21)

106

RAD Data Communications 2011 Catalog

TDM NTUS

The FCD-E1L and FCD-E1LC are managed single

or dual port access units for full or fractional E1

services, ideal for use as managed interface

converters. Data port rates are selectable for

any multiple of 64 kbps up to 1,984 kbps.

Alternatively, unframed E1 can be supported up

to 2.048 Mbps.

Optional Ethernet port

The basic unit is available with a single data

port and an optional second data port. In the

FCD-E1L, the second data port can be replaced

by an Ethernet bridge, 10/100BaseT VLAN

bridge or 10BaseT router for direct connection

to the LAN. The FCD-E1LC has sub-E1 drop-and-

insert ports for PBX connectivity.

User data is placed into the E1 frame using only

the required number of timeslots. Timeslot

assignment is performed according to the data

port speed and can be consecutive or random,

starting from any timeslot.

Plug-and-play

For ease of installation, the FCD-E1L offers plug-

and-play connectivity. Upon connection to the

E1 link, the unit automatically detects the E1

parameters and autoconfigures. Manual

configuration is an option.

The FCD-E1L is available with an integral LTU

(line termination unit) to provide a range of up

to 2 km (1.2 miles).

Standards compliant

The FCD-E1L and FCD-E1LC meet all

requirements of ITU G.703, G.704, G.706,

G.732, and G.823. They support both two and

16 frames per multiframe, with or without

CRC-4. Zero suppression over the line is HDB3.

Clock recovery, management, diagnostics

The units may be clocked from the recovered

receive clock of the main/sub-E1 link or from an

internal oscillator. The data channel interface is

RS-530. Adapter cables are available for V.35,

V.36/RS-422 or X.21.

All models support an internal SNMP agent and

can be managed by any generic SNMP station or

by the RADview SNMP network management

application. The units support dial-in/dial-out,

which can be used for remote out-of-band

configuration and monitoring (dial-in) and for

alarms (dial-out).

Diagnostics include user-activated local

loopbacks on the main/sub-E1 link and DCE

data port. A pseudo-random data pattern (BERT)

can be used to check the transmission path as

well as the local and remote units.

All models are available as standalone units for

the desktop or a 19-inch rack shelf.

FCD-E1L, FCD-E1LC

E1 or Fractional E1 Managed Access Units

• Single or dual port access to E1 or

fractional E1 services

• SNMP agent

• Out-of-band management via V.24

supervisory port

• Selectable sync data rates, n x 64 kbps

or unframed E1

• Data interfaces: V.35, RS-530,

V.36/RS-449, X.21, V.24

• Integrated Ethernet bridge, 10/100BaseT

VLAN bridge or 10BaseT router options

• E1 interface complies with ITU G.703,

G.704, G.706, G.732, G.823

• Main link diagnostics include loopbacks

and BERT

For latest updates visit www.rad.com

nx64 kbps

E1

V.35, V.36

X.21

FCD-E1LC

NMS

DXC

Router

nx64 kbps

V.35

V.36

X.21

E1

nx64 kbps

V.35, V.36

X.21

10/100BaseT

10/100BaseT

FCD-E1L

E1 or

Fractional

E1 Network

PBX

FE1

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