Tripp Lite SU50K3/3INTPM, SU80K3/3PM, SU80K3/3INTPM RS-485 Ports, UPS Parallel Communication Ports

Communications (continued)

RS-485 Ports

These ports connect multiple UPS power modules in a parallel connection.

RS-485 Port

TX485+

TX485-

RX485+

RX485-

TERMINAL RESISTOR FOR RS-485

RS-485 Port

Normally Closed

When using RS-485 for more than two units, SWQ1 must be "ON" in at least one

and "OFF" in the other.

PIN1: RS-485 Transmit+

PIN2: RS-485 Transmit-

PIN3: RS-485 Receive+

PIN4: RS-485 Receive-

UPS Parallel Communication Ports

These ports allow multiple UPS power modules to communicate while in a parallel configuration.

Sync Bus

BP ON

PUPS

Data

Reserve

MBs_ON

UPS Parallel Communication Port

PARALLEL

UPS Parallel Communication Port

PARALLEL

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