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Minneapolis, MN  55344  USA

IBM

™ 

5250 Protocol

Multiplexer with Fiber Link

PSM-8E

USER’S GUIDE

Designed to be networked with TRANSITION Networks PowerStar

hubs, the TRANSITION Networks PowerStar Express Multiplexer 
(PSM-8E) is a site-configurable multiplexer used for extending IBM 5250*
protocol network distances over fiber. 

*IBM 5250 protocol products include the IBM

®

System 34, 36, 38, and

AS/400, remote controllers, and many supporting devices manufactured
by IBM and other companies. 

The PSM-8E allows multiple AS/400, System 3x, or remote controller
polling groups to be transmitted over a single fiber-optic pair, providing
maximum throughput in either 1 Mb/s Optimized mode or in 2 Mb/s
Express mode by transparently multiplexing the 5250 "split-polling"
feature. (All new IBM controllers support "split-polling" as a means of
achieving higher throughput rates, even when connected to standard
legacy devices. The PSM-8E uses "split-polling" to increase performance
up to four times over the standard legacy 1 Mb/s 5250 protocol.)

NOTE: Refer to IBM 5250 Express reference material available from
network vendors when installing the PowerStar Express Multiplexer or
PowerStar

in a 5250 Express network.

PSM-8E in the Network  . . . . . . . . . .2
Installation  . . . . . . . . . . . . . . . . . . . .4
Operation . . . . . . . . . . . . . . . . . . . .11
Fault Isolation and Correction  . . . .12
Cable Specifications  . . . . . . . . . . . .14
Technical Specifications  . . . . . . . . .15
Compliance Information . . . . . . . . .16

PowerStar 

Express

 Multiplexer

Link

Status

TX

RX

PSM-8E

2X

2X

0

1

GROUP A

2X

2X

2

3

GROUP B

2X

2X

4

5

GROUP C

2X

2X

6

7

GROUP D

COMPLIANCE INFORMATION

UL Listed 
C-UL Listed (Canada)
CISPR/EN55022 Class A

FCC Regulations

This equipment has been tested and found to comply with the limits for a class A digital device, pursuant
to part 15 of the FCC rules.  These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment.  This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.  Operation of this
equipment in a residential area is likely to cause harmful interference, in which case the user will be
required to correct the interference at the user’s own expense.

Canadian Regulations

This digital apparatus does not exceed the Class A limits for radio noise for digital apparatus set out on
the radio interference regulations of the Canadian Department of Communications.

Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables

aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le ministère des Communications du Canada.

European Regulations

Warning
This is a Class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures.
Achtung !
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb dieses Gerätes
Rundfunkstörungen auftreten, in weichen Fällen der Benutzer für entsprechende Gegenmaßnahmen
werantwortlich ist.
Attention !
Ceci est un produit de Classe A. Dans un environment domestique, ce produit risque de créer des
interférences radioélectriques, il appartiendra alors à l’utilsateur de prende les measures spécifiques
appropriées

Trademark Notice

All registered trademarks and trademarks are the property of their respective owners.

Copyright Restrictions

© 2000, 2001 TRANSITION Networks.
All rights reserved.  No part of this work may be reproduced or used in any form or by any means –
graphic, electronic, or mechanical – without written permission from TRANSITION Networks.
Printed in the U.S.A.

33184.B

CAUTION:  RJ connectors are NOT INTENDED FOR CONNECTION TO THE
PUBLIC TELEPHONE NETWORK. Failure to observe this caution could result in
damage to the public telephone network.

Der Anschluss dieses Gerätes an ein öffentlickes Telekommunikationsnetz in den EG-Mitgliedstaaten
verstösst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie 91/263/EWG zur
Angleichung der Rechtsvorschriften der Mitgliedstaaten über Telekommunikationsendeinrichtungen
einschliesslich der gegenseitigen Anerkennung ihrer Konformität. 

Содержание PSM-8E

Страница 1: ...interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at th...

Страница 2: ...polling groups ports 0 3 comprise one polling group and ports 4 7 comprise the other polling group TECHNICAL SPECIFICATIONS Protocol 5250 Data Rate 1 Mb s 2 Mb s transparent Number of Ports Eight 8 Ho...

Страница 3: ...multimode fiber Optional 100 140 m multimode fiber 85 125 m multimode fiber 50 125 m multimode fiber Peak Power Wavelength 820 nanometers Typical Maximum Cable Distance Point to point Up to 2 kilomet...

Страница 4: ...w reconfigure jumpers as required NOTE JUMPERS SETTINGS FOR ALL EIGHT 8 SETS OF JUMPERS MUST BE IDENTICAL 4 Replace PSM 8E top cover Carefully tilt top cover down Slide top cover forward to align agai...

Страница 5: ...ata grade Does the wiring use natural pairs Does the wiring avoid sources of environmental noise Does the balun pinout match the PSM 8E s pinout Does the pinout polarity of the host side balun match t...

Страница 6: ...er using either one or more of up to eight 8 shielded twisted pair cables with RJ 45 connectors and appropriate baluns OR using a single shielded DB 25 to DB 25 cable RJ 45 At Front At the front of th...

Страница 7: ...e baluns for the RJ 45 pin configuration REMOTE CONTROLLER At the front of the host PSM 8E connect a remote controller to the host PSM 8E using two 4 port twinax bricks twisted pair copper cable with...

Страница 8: ...TX and RX cable connectors at other end of cable to RX and TX female connectors respectively on device PSM 8E s OR at fiber optic patch panel TX TX RX RX TX TX RX RX Host Port Connections Host Multip...

Страница 9: ......

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