Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Reduced price! 
View larger
View larger 
BS 6789-6.1:1986
M00000127
New product
BS 6789-6.1:1986 Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus. Apparatus having maximum allowable impairments
standard by BSI Group, 12/31/1986
In stock
More info
Full Description
The values given for electrical characteristics represent the maximum impairment that may be introduced between a terminal apparatus and the NTP of Complete Branch System.Cross References:
BS 4778
BS 6305
BS 6312
BS 6317
BS 6320
BS 6450:Part 4
BS 6789:Part 1
BS 6789:Section 6.2
CCITT Recommendation P.53
Telecommunications Act 1984