Digital Equipment Mod-MAC Series User manual

EK-DLXTX-IM. A01
Installing and Cabling the 100BaseTX Mod-MAC (DLXTX)
Introduction
The 100BaseTX Mod-MAC, illustrated above, is part of the Mod-MAC product family (which also includes the
10BaseFL and 100BaseFX). It provides connectivity between a DIGITAL MultiSwitch 612EX and network
devices using 100BaseTX. It has a crossover-wired connector (1) and a straight-through wired connector (2).
Only one of the connectors can be used at a time. The 100BaseTX Mod-MAC only operates in the DIGITAL
MultiSwitch 612EX.
Installation Procedure
Before you install a 100BaseTX Mod-MAC, make sure that the module has no power connected to it. The
100BaseTX Mod-MACs are not hot-swappable. To install the 100BaseTX Mod-MAC, complete the following
steps. A Phillips-head screwdriver is required.
1Remove the dust cap from the module’s modular interface connector.
2Hold the 100BaseTX Mod-MAC by its bezel so that it is parallel with a slot opening on the module.
3Insert the 100BaseTX Mod-MAC and align its sides with the guide in the module’s slot opening.
4Push the 100BaseTX Mod-MAC into the slot until it is firmly seated inside the module.
5Align and securely fasten the two Phillips-head screws on the 100BaseTX Mod-MAC bezel.
NPB-0582-96F
2
1
NPB-0604-96F

6Align the release tab on the cable plug with keyway on the Mod-MAC’s 100BaseTX port connector. Insert
the plug into the connector until the release tab snaps into the locked position. Connect the other endof the
cable to a network device.
7Use the following table to determine the approriate cable, connector, and port combination:
When the module is powered on, the following 100BaseTX Mod-MAC LEDs become operational:
Reference
If the LEDs do not operate as described, refer to the troubleshooting information in the DIGITAL MultiSwitch
612EX Installation and Configuration manual. The manual provides safety and product specification information.
The informationis also available on the Digital EquipmentCorporation Network Products EngineeringHomePage
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.
If the cable is... And the device being
connected has... Then use this port on the switch
straight-through straight-through crossover
straight-through crossover straight-through
crossover straight-through straight-through
crossover crossover crossover
Item Name Description
1 Activity LED Flickers in response to traffic on this port.
2 Port Status Is turned off if there is no connection; blinks if the port has
been management disabled.
NPB-0605-96F
2
1
DLXTX-MA