Moxa Technologies PowerTrans PT-7728 Manuel

Reproduction without permission is prohibited.

P/N: 1802077280015

PT-7728/7828

Hardware Installation Guide

Moxa PowerTrans Switch

Seventh Edition, January 2014

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Package Checklist

The Moxa PowerTrans switch is shipped with the following items. If any of

these items are missing or damaged, please contact your customer

service representative for assistance.

•1 Moxa PowerTrans Switch

•Hardware Installation Guide

•CD-ROM with User’s Manual and SNMP MIB file

•Moxa Product Warranty Statement

•RJ45 to DB9 console port cable

•Protective caps for unused ports

•2 rack-mount ears

Panel Layout

1. System status LEDs

2. Interface Module mode LEDs

3. Interface Module port LEDs

4. Push-button switch to select mode for Interface Module

5. Model Name

6. Fast Ethernet Interface Modules

7. Gigabit Ethernet Interface Modules

8. Serial Console port

9. 10-pin terminal block for power inputs, and relay output

10. Rack Mounting Kit

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Dimensions (unit = mm)

Fast Ethernet Interface Modules (slots 1, 2, and 3)

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Gigabit Ethernet Interface Modules (for slot 4)

Rack Mounting

Use four screws to attach the PT switch to a standard rack.

NOTE

Two additional rack-mount ears can be ordered as an option. Use

them to secure the rear of the chassis in

high-vibration

environments.

Wiring Requirements

WARNING

Safety First!

Be sure to disconnect the power cord before installing and/or

wiring your Moxa PowerTrans Switch.

Calculate the maximum possible current in each power wire and

common wire. Observe all electrical codes dictating the

maximum current allowable for each wire size.

If the current goes above the maximum ratings, the wiring could

overheat, causing serious damage to your equipment.

Grounding Moxa PowerTrans Switch

Grounding and wire routing help limit the effects of noise due to

electromagnetic interference (EMI). Run the ground connection from the

ground screw to the grounding surface prior to connecting devices.

Wiring the Power Inputs

The PT series of switches supports dual redundant power supplies:

“Power Supply 1 (PWR1)” and “Power Supply 2 (PWR2)”. The connections

for PWR1, PWR2 and the RELAY are located on the terminal block. The

front view of the terminal block connectors are shown below.

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Wiring the Relay Contact

Each PT switch has one relay output. Refer to the next section for detailed

instructions on how to connect the wires to the terminal block connector,

and how to attach the terminal block connector to the terminal block

receptor.

FAULT: The relay contact of the 10-pin terminal block connector are used

to detect user-configured events. The two wires attached to the RELAY

contacts form an open circuit when a user-configured event is triggered.

If a user-configured event does not occur, the RELAY circuit will be closed.

Wiring the Redundant Power Inputs

Each PT switch has two sets of power inputs: power input 1 and power

input 2.

STEP 1: Insert the dual set positive/negative DC wires into PWR1 and

PWR2 terminals (+ →pins 1, 9; - →pins 2, 10). Or insert the L/N AC

wires into PWR1 and PWR2 terminals (L →pin 1, 9; N →pin 2,10)

STEP 2: To keep the DC or AC wires from pulling loose, use a screwdriver

to tighten the wire-clamp screws on the front of the terminal block

connector.

Note 1: The PT switch with dual power supplies uses PWR2 as the first

priority power input by default.

Note 2: For dielectric strength (HIPOT) test, users must remove the

metal jumper located on terminals 3, 4, and 7, 8 of the terminal block to

avoid damage.

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LED Indicators

System LEDs

LED

Color

State

Description

STAT

GREEN

On System has passed self-diagnosis

test on boot-up and is ready to run.

Blinking

System is undergoing the

self-diagnosis test.

RED On

System failed self-diagnosis on

boot-up.

PWR1 AMBER

Power is being supplied to the main

module’s power input PWR1.

Off

Power is not being supplied to the

main module’s power input PWR1.

PWR2 AMBER

Power is being supplied to the main

module’s power input PWR2.

Off

Power is not being supplied to the

main module’s power input PWR2.

FAULT RED

The corresponding PORT alarm is

enabled and a user-configured

event has been triggered.

Off

The corresponding PORT alarm is

enabled and a user-configured

event has not been triggered, or

the corresponding PORT alarm is

disabled.

MSTR/HEAD

GREEN

This PT switch is set as the Master

of the Turbo Ring, or as the Head of

the Turbo Chain.

Blinking

The PT switch has become the Ring

Master of the Turbo Ring, or the

Head of the Turbo Chain, after the

Turbo Ring or the Turbo Chain went

down.

Off

The PT switch is not the Master of

this Turbo Ring or is set as a

Member of the Turbo Chain.

CPLR/TAIL GREEN

The PT switch coupling function is

enabled to form a back-

up path, or

it is set as the Tail of the Turbo

Chain.

Blinking

Turbo Chain is down.

Off

This PT switch disabled the

coupling function, or is set as a

Member of the Turbo Chain.

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Mode LEDs

LED

Color

State

Description

LNK/ACT GREEN