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6.2 Connections
Use a straight-through CAT 5/6 Ethernet cable to connect the RabbitNet Keypad/Display
interface RJ-45 RabbitNet jack to a RabbitNet port on the master. You may use either port
if you are connecting to a BL2500 or other master that has two RabbitNet ports.
NOTE: The RJ-45 RabbitNet jacks are serial I/O ports for use with a master and a net-
work of peripheral cards. The RabbitNet jacks do not support connections to an Ethernet
network.
Some masters have only
one RabbitNet port and
do not have a friction-lock
power terminal.
Master
X
Power-supply
cable
Keypad/Display
Interface
AUX LCDM INTERFACE
MAIN LCDM INTERFACE
C11
RabbitNet
CLOCKED SERIAL INTERFACE
Ethernet
R15
RP1
C5
RP2
Q3
R14
C10
R12
RP4
RP5
RP8
Straight-through
CAT 5/6 Ethernet cable
C12
RP6
C13
RP7
J1
BACK ACTIVITY ALIVE
KEYPAD INTERFACE
LIGHT
μP
BAD
PWR
GOOD
Figure 43. Connect RabbitNet Keypad/Display Interface to Master
You will also have to provide +5 V DC power to your RabbitNet Keypad/Display inter-
face. The power supply is connected via the friction-lock terminal at header J1. If you are
using a BL2500 or BL2600 as your master, you may draw this power from the BL2500 or
BL2600 as shown in Figure 43. You may assemble a suitable cable using the friction-lock
connectors from the Connectivity Kit described in Section 1.1.3. Although there is a stan-
dard RabbitNet DCIN power-supply input on the RabbitNet Keypad/Display interface, the
interface does not need DCIN power.
NOTE: Even if you are not drawing power from a BL2500 or BL2600 master, you will
need to at least connect the RabbitNet Keypad/Display interface ground to the ground
on your master. The GND pin on header J1 should be used.
At the present time, the number of peripheral cards you can use with one master is limited
by the number of RabbitNet ports on the master. Only one Keypad/Display interface per
master is supported at the present time.
User ’s Manual
121
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