ADC ClearGain Dual Inline Tower Mounted Amplifier System Manual de usuario descargar pdf (Pagina 15)

ADCP-75-214 • Issue 2 • September 2006

Page 9

Figure 7. PDU Alarm Logic and RS-485 Connections

2.3.3 Setting the DIP Switch on the PDU

PDU has one set of dip switches to enable or disable the MHU ports. To disconnect unused MHU

output (see

Figure 8

). For the MHU outputs that are used, the DIP switch must be in the “down”

position or “ON”. Unused outputs must be disconnected by setting DIP switch in the “up” position.

(Switch 1 and 3 Set to “ON” to Indicate Use of MHU Ports 1 and 3)

Figure 8. Example of DIP Switch Setting on the PDU

RS485A RS 485B

POWER DISTRIBUTION UNIT

INPUT

PDU

ALALRM

LOG IC

(NO RMA LLY

OPEN)

COM

(CO MMO N)

(NO R MA LLY

CLOSED)

OUTPUT

GND

21307-B

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 27 28

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ADC ClearGain Dual Inline Tower Mounted Amplifier System Manual de usuario Pagina 15