DC simplex gen.

[lomaxe]

Здравствуйте. Помогите пожалуйста с переводом следующих фраз:
1. loop timing (Clock recovery and "loop timing" functions)
2. simplex current (Termination for the simplex current ("span power"))
3. span power
4. latching loop (A "Latching" loop is one in which one specific loopback code(s) is used to secure the loop, and another different loopback code(s) is used to remove the loop.)
5. DC simplex
6 "sealing" or "span poser" (DC Simplex ("sealing" or "Span Poser") current is provided between the Transmit and Receive pairs.)
7. bridged tap (Any bridged taps should be less than 2000 feet (at the 56K rate).)

Полный текст http://telecom.tbi.net/ddsops.htm#DS0

Заранее благодарен.