Chapter 6 Network Wiring
172 BMTW-SVN01F-EN
Figure 80. EIA-232 Interface Card with Jumper and Connector
Locations
nCAUTION
Hazardous Voltage!
Turn off power at the BCU before installing the EIA-232 card. Failure to
turn off power before servicing may result in human injury or damage
to equipment.
To install the EIA-232 card in the BCU:
1. Choose one of the interface card slots in the BCU’s ISA bus.
2. Remove the screw from the card mounting bracket on the BCU.
3. Insert the EIA-232 card into the slot.
4. Replace the mounting screw and tighten to secure the EIA-232 card
in place.
JP2
IRQ jumpers
JP1
Comm port jumpers
DB-25
25-pin serial port
connector
DB-9
9-pin serial port
connector
Comm B
connector to DB-9
Ribbon cable
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