ADC HiGain H2TU-C-319 List 4E - Manual (Page 81)

LTPH-UM-1049-02, Issue 2 Appendix B - Functional Operation
H2TU-C-319 List 4E January 9, 2002 73
T
IMING
The low loop wander (0.3 UI max) of an H2TU-C, when used with compatible regenerators and remote units,
allows the circuit to be used in all critical timing applications, including those that are used to transport Stratum 1
timing.
G
ROUND
F
AULT
D
ETECT
The H2TU-C has a Ground Fault Detect (GFD) circuit which detects a ground or a resistive path to ground on any
wire of the HDSL2 loop. This makes the product compliant with the Class A2 requirements of GR-1089.