IEC 60839-7-12 Ed. 1.0 b:2001

Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling

International Electrotechnical Commission, 03/09/2001

Publisher: IEC

File Format: PDF

$12.00$25.00


Published:09/03/2001

Pages:13

File Size:1 file , 320 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies the requirements for standard interfaces between the alarm system transceivers and transmission network where both form part of a dedicated channel alarm transmission system as defined in IEC 60839-5-4.

More IEC standard pdf

IEC 60034-5 Amd.1 Ed. 4.0 b:2006

IEC 60034-5 Amd.1 Ed. 4.0 b:2006

Amendment 1 - Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification

$6.00 $12.00

IEC 60793-1-49 Ed. 2.0 b:2006

IEC 60793-1-49 Ed. 2.0 b:2006

Optical fibres - Part 1-49: Measurement methods and test procedures - Differential mode delay

$99.00 $199.00

IEC 60216-3 Ed. 2.0 en:2006

IEC 60216-3 Ed. 2.0 en:2006

Electrical insulating materials - Thermal endurance properties - Part 3: Instructions for calculating thermal endurance characteristics

$101.00 $203.00

IEC 60335-2-66 Amd.1 Ed. 2.0 b:2008

IEC 60335-2-66 Amd.1 Ed. 2.0 b:2008

Amendment 1 - Household and similar electrical appliances - Safety - Part 2-66: Particular requirements for water-bed heaters

$6.00 $13.00