Obsolete

Product(s)

- Obsolete

Product(s)

Summary description

STHS4257A, STHS4257A1, STHS4257L, STHS4257L1

8/18

Figure 4.

Application circuit overview

1.

STHS4257A1 and STHS4257L1 devices only. To disable signature, tie this pin to GND.

2.

This configuration uses either data wires or spare wires for DC power.

Data to Ethernet Physical Layer Device

100

k

Ω

100µF,

100V

+

0.1µF,

100V

To DC/DC

Converter

Data to Ethernet Physical Layer Device

RCLASS

SMAJ58A

RCLASS

STHS4257A/L

STHS4257A1/L1

VIN

GND

VOUT

AI12203b

2x DF01S

RX

Pair

Spare

Pair

Spare

Pair

RJ-45

TX

Pair

PWRGD

SIGDISA

(1)

C1

C2