Digital Equipment AUI MM-10 User manual

EK-DLXAU-IM. A01
Installing and Cabling the AUI MM-10 (DLXAU)
Introduction
The AUI MM-10 ispart of theMM-10 productfamily(which alsoincludes the10BaseFL,10BaseT, 10Base2, and
Reverse AUI). It connects a host module such as the DIGITAL MultiSwitch Hub 624T directly to a Media
Attachment Unit (MAU) orto an enddevice via up to 50 meters of AUI cable. The MM-10 has jumpers that control
the MM-10 configuration, such as monitoring transmit or receive data.
Configuring Jumpers on the AUI MM-10 Option Card
The MM-10 jumper is set to the most commonly-used configuration. For special applications or troubleshooting,
you may wish to reconfigure the jumper setting. Refer to the following figure and table.
AUI MM-10 Jumper Locations
Item Jumper Description Default
1ACT —> Sets Activity LED to blink on for:
• RX = receive packets only
• TX = transmit packets only
• BOTH = all packets
BOTH
NPB-0812-97F
DLXAU-MA
NPB-0804-97F
1

Installation Procedure
The AUI MM-10 installs into one of the Carrier Card slots and is hot-swappable.To install the AUI MM-10,
complete the following steps. A Phillips-head screwdriver is required.
Note: Installing MM-10s into the DIGITAL MultiSwitch Hub 624T requires prior installation of the DIGITAL
MultiSwitch Hub 624T Carrier Card, part number DLXMC-MA, which is not hot-swappable.
Note: Only the right-side slot of the Carrier Card provides power to an AUI MM-10. If you intend to connect the
module to a nonpowered device, connect it to an AUI MM-10 installed in the right-hand slot of the carrier card.
1Hold the AUI MM-10 by its bezel and align the edges of the MM-10 (1) with the card guides (2) in the
Carrier Card.
2Push the AUI MM-10 into the slot until it is firmly seated inside the module.
3Align and securely fasten the two screws.
4Push the slide latch on the DB-15 connector to the unlocked position. Connect a MAU (1) or an AUI port
cable (2). Push the slide latch to the locked position. Attach a MAU or an end device to the cable.
For further configuration and LED state information, see the DIGITAL MultiSwitch Hub 624T Installation and
Configuration manual.
© Digital Equipment Corporation 1997. All rights reserved.
DIGITAL and the DIGITAL logo are trademarks of Digital Equipment Corporation.
NPB-0548-96F
B
B
12V
A
12V
1
B
12V
2
NPB-0758-96F
B
12V
A
12V
DLXAU-MA DLXAU-MA
2
21
A
12V
B
12V