Specifications

HY-03 User Handbook

TECHNICAL SPECIFICATION

Branch System for PSTN is given in BS6789 : Section 6.1 : 1986 Clause 2.9; including the note

to that clause.

Ringer Equivalence Number

The REN=1 marking on the rear of this equipment relates to the performance of the

apparatus when used in combination with other items of apparatus.

The REN indicates the maximum number of items that should be connected simultaneously

to the line. This equipment may be connected with series apparatus up to REN = 4

maximum.

Accessory Ports

Barriered Ports - The Handset series connection complies with BS6301

Accessory Ports - Mic/Line Input

Output

Remotes

Conditions

This apparatus is not designed for use under controlled conditions of temperature and

relative humidity.

Series Connection

When connected into the loop connection between the main apparatus and the PSTN, this

apparatus introduces a voltage drop at a current of 40mA of 0.300V.

The apparatus should not be used in conjunction with other series connected apparatus

such that the aggregate declared voltage drops, together with that of any relevant wiring at

40mA, exceeds 2.0 volts.

Facilities

This apparatus has been approved for use as a telephone hybrid unit (four wire to two

wire converter) and for use with a series connected simple telephone. Any other usage

will invalidate the approval of the apparatus if as a result it then ceases to comply with the

standards against which approval was gained.

Statutory Mark

Approved for connection to telecommunications systems specied in the instructions for

use subject to the conditions set out in them.