BS 6450-5.1:1993

Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges-Specification for facilities on private branch exchanges with terminating stations treated as an entirety

BSI Group, 02/15/1993

Publisher: BS

File Format: PDF

$125.00$251.46

Description

Published:15/02/1993

Pages:32

File Size:1 file , 690 KB

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

Specifies requirements for facilities on PBXs within the scope of BS 6450-2:1993. This standard has been presented for designation under the Telecommunications Act 1984.

Cross References:
BS 4669
BS 6305
BS 6317
BS 6450:Part 1
BS 6450:Part 2
BS 6789:Part 2
CCITT Recommendation B.12
CEPT Handbook:Section 3
BS 6312

More BS standard pdf

BS 10/30227677 DC

BS EN 16127. Solid biofuels. Determination of length and diameter of pellets

$119.00 $239.63

BS 10/30215304 DC

BS EN ISO 17932. Vegetable oils. Determination of the deterioration of bleachability index (DOBI) and carotene content

$141.00 $283.79

BS 10/30186205 DC

BS ISO 11665-8. Measurement of radioactivity in the environment. Air. Part 8. Radon-222 in buildings: Methodologies for initial and additional investigations

$122.00 $245.06

BS 10/30165036 DC

BS ISO 27911. Surface chemical analysis. Scanning-probe microscopy. Definition and calibration of the lateral resolution of a near-field optical microscope

$105.00 $211.68