CTI Products MCN RCD System Overview - Manual (Page 34)

MCN System Manual Hardware Installation
CTI Products, Inc.
68-10833-120
30
power supply is encountered.
CA-80027-100
IN OUT NETWORK PWR ACT
ERR
DC IN
OPTION A RESET SVC
1 2 3 4 5 6 7 8 ON
IN OUT NETWORK PWR ACT
ERR
DC IN
OPTION A RESET SVC
1 2 3 4 5 6 7 8 ON
TO NETWORK IN
OF NEXT MCN MODULE
TO DC POWER SUPPLY
PRODUCTS, INC. PRODUCTS, INC.
Figure 13 - DC Power Chaining
In the example shown in Figure 14, two power supplies are required, even though
there are only four modules in the system. The second supply is required because
the network cable between the third and fourth modules is greater than the 100
foot cable length maximum for power distribution.
CA-80028-100
IN OUT DC IN IN OUT DC IN IN OUT DC IN IN OUT DC IN
>100'
T T
DC POWER
SUPPLY
DC POWER
SUPPLY
Figure 14 - Power Distribution Example