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Motorola WB3025A .pdf


Original filename: Motorola_WB3025A.pdf
Title: PTP 600 Series User Guide
Author: Motorola

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PTP 600 Series User Guide

Powered indoor unit (PIDU Plus)

Powered indoor unit (PIDU Plus)
This section describes the PIDU Plus and its interfaces.

PIDU Plus description
The PIDU Plus generates the ODU supply voltage from the mains supply (or from an
external DC source) and injects this supply voltage into the ODU.
The PIDU Plus is connected to the ODU and network equipment using CAT5e cable
with RJ45 connectors. Refer to Cabling and lightning protection on page 1-17.
The ODU for the PTP 600 Series should only be deployed using the supplied PIDU Plus
PTP 300/500/600 Series.

CAUTION
Care should be taken not to connect equipment other than an ODU, LPU or
PTP-SYNC for the PTP 600 Series to a PIDU Plus ODU port, as equipment
damage may occur. The PIDU Plus PTP 300/500/600 Series is not
interchangeable with the PIDU Plus PTP 400 Series.

PIDU Plus interfaces
The PIDU Plus interfaces are illustrated in Figure 1-7 and described in Table 1-3 and
Table 1-4.
Figure 1-7 PIDU Plus interfaces

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Chapter 1 Product description

Table 1-3 PIDU Plus interfaces
Interface

Function

100-240V 47-63Hz 1.8A

Mains power input (Figure 1-8).

DC In

Alternative DC power supply input. Refer to Redundancy and
alternative powering configurations on page 1-13.

DC Out

DC power output to a second PIDU Plus. Used to provide
power supply redundancy. Refer to Redundancy and
alternative powering configurations on page 1-13.

ODU

RJ45 socket for connecting CAT5e cable to ODU.

LAN

RJ45 socket for connecting CAT5e cable to network.

Recovery

Used to recover the unit from configuration errors or
software image corruption.

Table 1-4 PIDU Plus indicator LEDs
Indicator

Function

Description

Power

Off

No power.

On

PIDU Plus is receiving power.

Off

No Ethernet traffic.

Blink ten times

Correct start up sequence has occurred.

Blink randomly

Normal Ethernet traffic.

Ethernet

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Powered indoor unit (PIDU Plus)

Figure 1-8 PIDU Plus power input

Redundancy and alternative powering configurations
The PTP 600 Series can be powered from an external DC source and can be provided
with power supply redundancy as follows:
x

External DC supply only (Figure 1-10): This configuration is for use where there
is no mains supply.

x

External DC supply and AC supply (Figure 1-11): This configuration provides
redundancy through the use of mains and DC supply.

x

External DC supply and redundant AC Supply (Figure 1-12): This configuration
guards against mains failure and failure of the DC output of single PTP
300/500/600 PIDU Plus.

NOTE
The use of DC supplies of less than 55v will reduce the usable distance
between the PIDU Plus and ODU (Figure 1-9).

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Chapter 1 Product description

Figure 1-9 Relationship between DC voltage and cable length
250

Cable length (metres)

200

150

100
80
50

0
45

46

47

48

49

50

51

52

53

54

Figure 1-10 External DC supply only

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Figure 1-11 External DC supply and AC supply

Figure 1-12 External DC supply and redundant AC supply

Remote LEDs and recovery switch
The PIDU Plus provides a facility to connect remote LEDs and Recovery switch
allowing the PIDU Plus to be mounted inside an enclosure. At the left hand end of the
PIDU Plus under the ODU connection cover can be found a PCB header and three
jumpers. Jumpers J906 and J907 should be removed and connection to the remote
LEDs and Recovery switch made to J908 as shown in Figure 1-13.

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Chapter 1 Product description

Figure 1-13 Remote LED and recovery switch wiring

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