Datasheet

ADM2582E/ADM2587E
Rev. C | Page 19 of 20
NOTES
1. R
T
IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
2
. ISOLATION NOT SHOWN.
ABZYABZY
A
B
Z
Y
A
B
Z
Y
R
D
R
D
R
D
R
D
ADM2582E/
ADM2587E
ADM2582E/
ADM2587E
ADM2582E/
ADM2587E
RxD RE DE TxDRxD RE DE TxD
R
T
R
T
RxD
RE
DE
TxD
RxD
RE
DE
TxD
ADM2582E/
ADM2587E
MAXIMUM NUMBER OF TRANSCEIVERS ON BUS = 256
08111-027
Figure 41. ADM2582E/ADM2587E Typical Half Duplex RS-485 Network
NOTES
1. R
T
IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
2. ISOLATION NOT SHOWN.
R
D
A
B
Z
Y
R
D
A B Z Y
R
D
A
B
Z
Y
R
D
A B Z Y
R
T
TxD
DE
RxD
RE
ADM2582E/
ADM2587E
ADM2582E/
ADM2587E
ADM2582E/
ADM2587E
SLAVE
RxD
RE
DE
TxD
ADM2582E/
ADM2587E
MASTER
SLAVESLAVE
RxD RE DE TxD
RxD RE DE TxD
R
T
MAXIMUM NUMBER OF NODES = 256
08111-028
Figure 42. ADM2582E/ADM2587E Typical Full Duplex RS-485 Network