Westermo MA-66 User Manual

Omvandlare, optisk fiber

- RS-232/V.24

Converter, fibre optic

- RS-232/V.24

Glasfaser Wandler

RS-232/V.24

INSTALLATIONSANVISNING

INSTALLATION MANUAL

INSTALLATIONS ANLEITUNG

6066-2001

www.westermo.se

MA-66

©

Westermo Teleindustri AB • 1998 • REV. A

Galvanic

Isolation

Transient

Protection

CE

Approved

8 6066-2001

Specifications MA-66

Transmission Asynchronous, full/half duplex or simplex
Interface 1 EIA RS-232/CCITT V.24 9 pole D-sub connector

female or 9 pole screw block

Interface 2 ST-connectors, see table of power budget
Data rate up to 115.2 kbit/s
Isolation 1500V rms
Indicators Power, TD, RD, CTS, RTS
Power supply +20V DC ±25% (Via PS-02)
Power consumption Max 80 mA at 20V DC
Fuse 500 mA fast 5x20 mm
Temperature range 5-50°C ambient temperature
Humidity 0-95% RH without condensation
Dimension 100x100 mm
Weight 0.4 kg
Mounting In racks RV-01, several models available.

Possible to assemble 16 pcs MA-66 in an RV-01

Description MA-66

The MA-66 allows RS-232 point to point communication over fibre optic multi mode or
single mode cables, at data rates up to 115.2 Kbit/s. Transmission distances up to 25 km
(single mode) can be reached.

The MA-66 is designed to be mounted in the Westermo RV-01 and RV-01A racks.

Up to 16 units can be mounted in one rack.

Five LED’s are provided to indicate TX, RX, RTS, CTS and power. The fibre optic
connections are mounted on the front of the panel and are of the ST type. A 9 way
D-sub at the rear of the card provides the connectivity for the RS-232. All other
connections are via the mother board of the RV-01 rack.

96066-2001

Status signal

Factory settings

S1 Enabled

ON

123456789

S1 Disabled

ON

123456789

S1

ON

123456789

S2

ON

12345

S2

ON

12345

Switch S1: 2-9 not used

Transmitted power

Low

S2

ON

12345

High

Switch S2: 1-4 not used

Switch settings MA-66

The MA-66 can, through switch settings, be set in to several modes.

MA-66

RX

RTS

CTS

RD

TD

PWR

TX

19
5

6