Texas Instruments BOOST-PSEMTHR-007, User Manual, Page: 6 / 38

General Use Features
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6 SLVUBP0A – May 2019 – Revised August 2019
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TPS23881EVM: PoE, PSE, TPS23881 Evaluation Module
3 General Use Features
3.1 EVM Input/Output Connectors and Switches
Table 2 lists the EVM input and output connectors.
Table 2. EVM Input/Output Connectors
CONNECTOR
OR SWITCH
LABEL DESCRIPTION
J1 J1 DC power supply screw jack. (44–57 VDC). Use a 48 VDC (nominal) for type 1 and 54 VDC
(nominal) for type 2, 3, and 4 PSE operation.
J2 J2 Ribbon cable connection to USB2ANY adapter
J3 J3 LaunchPad control (mates with LaunchPad J1)
J4 J4 LaunchPad I
2
C (mates with LaunchPad J2)
J5 J5 LaunchPad power (onboard, mates with LaunchPad J6)
J6 J6 TPS23881EVM-008 control (mates with TPS23881EVM-008 J3)
J17 J17 TPS23881EVM-008 Channel 5–8 (mates with TPS23881EVM-008 J2)
J18 J18 TPS23881EVM-008 Channel 1–4 (mates with TPS23881EVM-008 J1)
J22 J22 Two-pair port 1 data only
J19 2 Pair Port 1 Two-pair port 1 power and data
J23 J23 Two-pair port 2 data only
J20 2 Pair Port 2 Two-pair port 2 power and data
J11 J11 Two-pair port 3 data only
J8 2 Pair Port 3 Two-pair port 3 power and data
J10 J10 Two-pair port 4 data only
J7 2 Pair Port 4 Two-pair port 4 power and data
J24 J24 Four-pair port 1 data only
J21 4 Pair Port 1 Four-pair port 1 power and data
J12 J12 Four-pair port 2 data only
J9 4 Pair Port 2 Four-pair port 2 power and data
J29 J29 Chassis ground tie point
3.2 EVM LEDs
Table 3 lists the EVM LEDs and their descriptions.
Table 3. EVM LEDs
LED COLOR LABEL DESCRIPTION
D1 GREEN 48 V 48-V ON indicator
D16 BLUE D13 Two-pair port 1 power is ON. For J19 supplier #1 (see the bill of materials (BOM) ), J19 internal port
LED is active. For supplier #2, D16 is active.
D17 BLUE D15 Two-pair port 2 power is ON. For J20 supplier #1 (see the BOM ), J20 internal port LED is active. For
supplier #2, D17 is active.
D13 BLUE D14 Two-pair port 3 power is ON. For J8 supplier #1 (see the BOM ), J8 internal port LED is active. For
supplier #2, D13 is active.
D12 BLUE D12 Two-pair port 4 power is ON. For J7 supplier #1 (see the BOM ), J7 internal port LED is active. For
supplier #2, D12 is active.