Black Box G.703/V.35 User manual

81043 1.

G703/V.35 and X.21 Microconverter

MicroConverter G.703-X.21

Clock

Loop

Back

Power

Network

Clock

Master

Get the performance of 2.048 Mbps E1 lines without the expense of a top-end router.

Key Features:

G.703 to X.21

G.703 to V.35

G.703 to EIA-530/RS-449

Simple configuration

Unbalanced (coax) G.703

Balanced (twisted-pair) G.703

Overview:

The Black Box MicroConverter

G.703 enables the connection of

data communication to carrier

services, or private services,

such as microwave links, that

are presented as G.703 at

2Mbit/s.

Many low-end routers currently

on the market are able to handle

2 Mbit/s throughput, but are

only available with conventional

DTE interfaces, X.21 or EIA530.

By combining one of these

routers with the MicroConverter

G.703 users gain the high-

performance of 2 Mbit/s

without the expense of a high-

end router.

The standard model, the

MicroConverter G.703/X.21,

supports X.21 DTE. The

enhanced version, the

MicroConverter G.703/V.35,

can support both X.21 and

V.35 DTE. Both versions

support 75-ohm un-balanced

and 120-ohm balanced

termination of a G.703

network. For RS-449 or

EIA-530 operation the relevant

adaptor cable most be used

with the MicroConverter

G.703/X.21.

81043 2.

Typical Application:

Connect your Cisco routers’ X.21 interface to your 2 Meg leased line.

Technically Speaking:

The MicroConverter G.703 comes pre-configured for 75-ohm unbalanced operation. Connection to the 75-ohm

unbalanced G.703/E1 network is achieved through connection using the two BNC connectors on the rear panel of

the unit.

For use on a 120-ohm balanced service then the connections should be made using the RJ-45 connector on the rear

panel of the unit. As the units’default set-up is for 75-ohm, the correct setting should be made on the switch bank

for 120-ohm balanced operation.

The data transmitted and received on the G.703 side of the MicroConverter G.703 could have originated on another

piece of equipment. It is not uncommon for the data to be inverted by G.703 terminating equipment. The

MicroConverter G.703 has the option to invert or not invert the data transmitted and received on the G.703 port.

Specifications:

Cables –Mains lead; Adaptors required for V.35,

RS-449, and EIA-530

Speed –2.048 M-bps +/- 50 ppm

Standards –E1 G.703 (unframed), X.21, V.35,

RS-449, V.36, EIA-530

Interfaces –(1) G.703 on dual-coax (75 ohm), (1)

G.703 on RJ-45 (120 ohm) switch-selectable, X.21,

V.35, EIA-530, and RS-449 via DB15 F connector

Connectors –(1) DB15 F, (2) BNC (coax) F

Indicators –(5) LEDs: Power, Network, Clock

Master, Loopback, Terminal Timing

Power –Internal, 230 VAC, 50 Hz, IEC320 input connector

Size –4.5H x 19.5W x 13.8D cm

Weight –1 kg

Temperature –5 to 45°C

Relative Humidity –10 to 90% (non-condensing)

The Complete Package:

MicroConverter Unit

User Guide

Mains Lead

81043 3.

Product Name: Order Code:

MicroConverter G.703/X.21 ……………………………………… MTU9000

MicroConverter G.703/V.35 ……………………………………… MTU9001

For V.35 order the MicroConverter G.703/V.35 and the following adaptor cable:

V.35 DCE (F) Adaptor Cable 2-m ……………………………………… CBLV35

For RS-449 and EIA-530 order the MicroConverter G.703/X.21 and one of the following adaptor cables:

RS-449 DCE (F) Adaptor Cable 2-m ……………………………………… CBL449

EIA-530 DCE (F) Adaptor Cable 2-m ……………………………………… CBL530

You may also require:

X.21 Straight-Pinned Cable 3-m M/F ……………………………… ESX213MF

Ordering Information

This manual suits for next models

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