Digital Equipment 624T Instruction Manual

EK-DLXR1-IM. A01
Installing the DIGITAL MultiSwitch Hub 624T 10BaseT
Expansion Port Group (DLXR1)
Introduction
The DIGITAL MultiSwitch Hub 624T 10BaseT Expansion Port Group inserts into the expansion slot in the front
of the DIGITAL MultiSwitch Hub 624T. The 10BaseT Expansion Port Group provides the module with 12
additional 10BaseT, 8-pin MJ port connectors. This converts the module from 24 ports with two internal port
groups (groups A and B) to 36 ports with three internal port groups (groups A, B, and C). When installed, the
10BaseT Expansion Port Group operates as port group C. It operates only in the DIGITAL MultiSwitch Hub 624T.
Installation Procedure
Before you install the 10BaseT Expansion Port Group, make sure that the module has no power connected to it.
The 10BaseT Expansion Port Groupis not hot-swappable. To install the 10BaseT Expansion Port Group, complete
the following steps. A Phillips-head screwdriver is required.
1Make sure that power to the DIGITAL MultiSwitch Hub 624T is off by removing the module from the
DIGITAL MultiSwitch 600 System or DEChub 900 MultiSwitch.
2Loosen the four screws and remove the cover from the DIGITAL MultiSwitch Hub 624T expansion slot.
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3Hold the DIGITAL MultiSwitch Hub 624T 10BaseT Expansion Port Group by its bezel and align its edges
(1) with the card guides (2) in the module’s expansion slot.
4Push the 10BaseT Expansion Port Group into the slot until it is firmly seated inside the module.
5Align and securely fasten the four screws.
6Connect the 10BaseT cables.
7Power up the DIGITAL MultiSwitch Hub 624T by reseating the module into the DIGITAL MultiSwitch
600 System or DEChub 900 MultiSwitch. The following LED states occur:
a The Power OK LED lights.
b The module completes self-test and the Module OK LED lights.
c The Port Group Select LEDs flash repeatedly from A to B to C.
Reference
If the LEDs do not light as described, refer to the troubleshooting information in the DIGITAL MultiSwitch Hub
624T Installation and Configuration manual. The manual provides safety and product specification information.
The informationis also available on the Digital Equipment Corporation Network ProductsEngineering Home Page
on the World Wide Web at the following addresses:
North America: http://www.networks.digital.com
Europe: http://www.networks.europe.digital.com
Australia: http://www.digital.com.au/networks
© Digital Equipment Corporation 1997. All rights reserved.
DIGITAL and the DIGITAL logo are trademarks of Digital Equipment Corporation.
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