Digital Equipment MM-10 Series User manual

EK-DLXFI-IM. A01
Installing and Cabling the 10BaseFL MM-10 (DLXFI)
Introduction
The 10BaseFL MM-10 is part ofthe MM-10 product family(which also includes the 10BaseT, 10Base2, AUI, and
Reverse AUI). It provides connectivity between a host module such as the DIGITAL MultiSwitch Hub 624T and
network devices using 10BaseFL. The MM-10has jumpers that controlthe MM-10 configuration, suchas enabling
SQE test or monitoring transmit or receive data.
Configuring Jumpers on the 10BaseFL MM-10 Option Card
The MM-10 jumpers are set to the most commonly-used configurations. For special applications or
troubleshooting, you may wish to reconfigure the jumper settings. Refer to the following figure and table.
10BaseFL 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-0811-97F
DLXFI-MA
NPB-0801-97F
3
2
1

Installation Procedure
The 10BaseFL MM-10 installs into one of the Carrier Card slots and is hot-swappable. To install the 10BaseFL
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.
1Hold the 10BaseFL MM-10 by its bezel and align its edges (1) with the card guides (2) in the Carrier Card.
Push the 10BaseFL MM-10 into the slot until it is firmly seated inside the module.
2Align and securely fasten the two screws.
3Ensure that the key is correctly positioned while aligning the transmit cable connector (1) with the transmit
port (2) and the receivecable connectorwith the receiveport.Turntheconnectorscounterclockwisetolock
into position. Connect the other end of the cable to your network end device.
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.
2SQE Test Enables SQE test
0 = Disable; 1 = Enable Disable
3FDX Full Duplex operation
0 = Half Duplex, 1= Full Duplex Half Duplex
Item Jumper Description Default
NPB-0597-96F
BA
AB
12V
12V
1
B
12V
2
NPB-0650-96F
BA