BS 7940 – Analogue PSTN terminal support interface
This standard applies to apparatus having an interface for the connection of Terminal Equipment (T.E.) intended for a Direct Exchange Line (D.E.L.) and specifies the performance requirements of the interface which make it appear to the attached T.E. that is interworking with a single 2-wire analogue PSTN D.E.L.
Cross References: BS 6312-2-1:1994 Telecommunications Act 1984 BT SIN 249 ETS 300659 BT SIN 227 BT SIN 242 BS 6312-1:1994 BS 6305:1992 ITU-T Recommendation P.53
Product Details
Published:
10/15/1999
ISBN(s):
0580330354
Number of Pages:
28
File Size:
1 file , 320 KB
Product Code(s):
19997899, 19997899, 19997899
Note:
This product is unavailable in Ukraine, Russia, Belarus
