ZyXEL Communications IES-1248-51 Guía de usuario descargar pdf (Pagina 580)

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Chapter 71 Product Specifications

IES-1248-51V User’s Guide

580

Power Input

90 ~ 264 VAC, 50 Hz/60 Hz +/- 5%, with waveform distortion less than 5%.

Power Consumption

187 W maximum

The closer the subscribers to the IES-1248-51V, the lower the power

consumption. The fewer subscribers to the IES-1248-51V, the lower the power

consumption. For example, power consumption could be reduced to about 122 W

in the following situations:

• 100% ADSL data usage and up to 50% of subscribers within the same building

(short loop) as the IES-1248-51V are making VoIP calls .

• 100% ADSL data usage and up to 10% of subscribers within 3 Km (8,000 feet)

of the IES-1248-51V are making VoIP calls.

Fuse Rating

Changing the IES-1248-51V’s fuses requires partial disassembly of

the device. Only a qualified technician should perform this

process.

The following table describes the location and specification of the IES-1248-51V’s

fuses.

ALARM Port Power

The maximum power rating for the ALARM port is as follows:

• Input: 20 V, 500 mA

• Output: 20 V, 500 mA

Operating Environment

• Temperature: -10°C - 55°C

Table 230 Fuse Specifications

FUSE LOCATION FUSE RATING

AC sub board (near the power inlet) 250 VAC T10A

ASP-150-24 AC power module (near the AC

sub board)

250 VAC T4A

LPP-100-48 AC power module (near the

battery power board)

250 VAC T4A

On the VoIP Board (near the VoIP board’s

power connection)

250 VAC T8.0A

1 2 ... 575 576 577 578 579 580 581 582 583 584 585 ... 653 654

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