If this modem is to be used with a PBX which returns secondary proceed indication, no more than two pauses of four seconds duration each should be inserted between the initial PSTN access digit and the number to be dialed. This is to avoid interference to the PTO network.

If this modem is to be used with a PBX which has extension wiring owned by BT, connection of the modem to the PBX can only be carried out by BT; or, by the authorised maintainer of the PBX unless the authorised maintainer has been given 14 days written notice that the connection is to be made by another person, and that period of notice has expired.

This modem is suitable for use only on telephone lines provided with Loop- Disconnect or Multi-Frequency Dialing facilities.

Users of this modem are advised that the approval is for connection to the PSTN via the telephone line interface supplied with it. Connection of a modem to the PSTN by any other means will invalidate the approval.

There is no guarantee of correct working in all circumstances. Any difficulties should be referred to your supplier.

Some network operators require that intended users of their network request permission to connect and for the installation of an appropriate socket.

Ringer Equivalence Number

The ringer equivalence number (REN) of this modem is 1. REN is a guide to the maximum number of apparatuses that can be simultaneously connected to one telephone line. The REN value of each apparatus is added together, and should not exceed 4. Unless otherwise marked, a telephone can be assumed to have a REN value of 1.

Approved Usage

This modem is approved only for the following:

■Storage of telephone numbers for retrieval by a predetermined code

■Detection of initial proceed indication

■Automatic calling/Automatic answering

■Tone detection

■Operation in the absence as a secondary proceed indication

■Loudspeaking facility

This modem is NOT suitable for use as an extension to a payphone.

This modem is not approved for connection to UK private speechband services.

This modem does not support the automatic redial function.

Any other usage will invalidate the approval of your modem, if, as a result, it then ceases to conform to the standards against which approval was granted.

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HP S4150UK, S3750UK, S4100UK, S3150UK, S3190UK, S3350UK, S4500UK, S4490UK, S4200UK manual Ringer Equivalence Number, Approved Usage
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S4700UK, S4500UK, S3350UK, S3150UK, S4490UK specifications

The HP S4100UK, S4150UK, S3190UK, S4200UK, and S4490UK are key offerings in Hewlett-Packard's line of versatile desktop printers, designed to meet the diverse printing needs of home and small office environments. Each model comes with its own unique features, but they share many core technologies and characteristics that enhance their performance and usability.

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For those who require versatility, the S4490UK model offers a multifunctional capability, combining printing, scanning, and copying in one device. This all-in-one feature is ideal for users looking to save space and streamline their workflow.

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Overall, the HP S4100UK, S4150UK, S3190UK, S4200UK, and S4490UK represent a strong collection of printers that deliver performance, reliability, and ease of use, making them suitable for any printing task in both personal and professional settings.
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