Pstn Wiring; Programming The Unit; Initialisation - Pyronix PCX-256 Installation Manual

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P C X 2 5 6 I N S T A L L A T I O N M A N U A L

7 . 2 P S T N W i r i n g

Connections are made to the terminals on the end station PCB:

Telephone line output for connection to analogue PSTN telephone line

A-1

Telephone line output for connection to other telecom equipment

B-1

Telephone line output for connection to other telecom equipment

Telecom ground

Before making these connections, all power must be disconnected from the system.

Note: The Telecom Ground terminal should ALWAYS be connected to earth in order to

maximise the effectiveness of the transient voltage protection on the unit.

Note that the approvals standard TBR21 clause 4.2 requires to be made via an RJ11 plug and

socket.

The cable must be fed into the end station housing through the hole provided, protected by the

grommet supplied, and secured in place with the cable tie, thus:

Note: PCB layout varies between PCX models, but labelling and connections are identical.

7 . 3 P r o g r a m m i n g t h e U n i t

Programming of all telephone numbers, etc. should be carried out as described in the

programming manual.

7 . 4 I n i t i a l i s a t i o n

To ensure correct initialisation after installation, wait for the main power to initialise after powering

up, then press the "RESET" button on the end station for approximately 2 seconds.

If this is not done, a "MODEM FAULT" may be indicated.

WARNING

The approval of this product for attachment to the PSTN is void if it is subject to any unauthorised

modification, or if used with, or connected to:

Internal software which has not been approved by BABT.

External control software or control equipment which causes the unit to contravene the

requirements of telecommunications standards.

Page: 26

Grommeted

cable access

Cable tie

RINS869-8

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