Can anyone give me the "table" (or a URL to) of ABCD bit values in T1 signalling. Everywhere I Googled refers to these but none give the meaning of each of the bit combinations. I'm particularly interested in "off-hook/onhook" states.
Thanks!
Cabling-Design.com Forums website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.