Tech PDF

BS

BS 6639:1990

Click here to purchase
Specifies the implementation of a back-up operation for data transmission on a leased line by means of the CCITT Recommendation V.24 interchange circuits when using the 25-pin connector ISO 2110.

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:
10/31/1990
ISBN(s):
0580156141
Number of Pages:
12
File Size:
1 file
Product Code(s):
227526, 227526, 227526
Note:
This product is unavailable in Ukraine, Russia, Belarus