Troubleshooting, No led lights, No communication – LAARS X-BAC BACnet Interface Module - Install and Operating Manual User Manual

Page 6: Specification

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6

X-BAC BACnet Interface Module Installation and Configuration Manual

HT#

059294-00

B

TrOuBLeSHOOTIng

nO LeD LIgHTS

• The RJ45 connection to the control powers the BACnet Interface Module. If all LEDs are off, then check the cable connecting the

module to the control. The cable consist of 8 wires. Check each of the color-coded wires continuity in the cable using a continuity

meter.

nO COMMunICATIOn

• Check the Yellow and Green LEDs. If the Yellow LED is continuously On or Off, then check the cable connecting the module to

the control.

• If the Green LED is continuously On or Off, then check the cable connecting the module to the BACnet network.

Make sure that the control's Baud Rate and the BACnet Network's are the same. See "BACnet Baud Rate" on page 5.

SPeCIfICATIOn

Control Communication . . . . . . . . . . . . . . . . . . . . . . . . . . RJ45 to control (Cable is provided)

BACnet MS/TP Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-wire

Extension Communication. . . . . . . . . . . RS485 (RJ11) to Extension (Cable packaged with Extension)

LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Red, Yellow, and Green

Dimension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-¾” x 3-⅝” x 1”

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pound

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