Figure 18. Hdsl Loopbacks - ADTRAN T200 HTU-R Installation And Maintenance Manual

HDSL T200 HTU-R, Span Powered, 60 mA Installation and Maintenance Practice
DSX-1
AIS
DSX-1
HTU-C
32
HTU-C Network-Side Loopback
DSX-1
HTU-C
HTU-R Network-Side Loopback and/or HTU-R NIU Loopback
DSX-1
HTU-C
HTU-R Customer-Side Loopback
X
AIS
HTU-C
HTU-C Customer-Side Loopback
X
AIS
HTU-C
HTU-R Bilateral Loopback
AIS
HTU-C
HRE Network-Side Loopback
HTU-C
HRE Customer-Side Loopback
X
HTU-C
Dual HRE Network-Side Loopback
HRE #1
X = Signal Inactive D = Data Sent

Figure 18. HDSL Loopbacks

LOCAL
LOOP
X
HTU-R
LOCAL
LOOP
X
HTU-R
LOCAL
LOOP
HTU-R
LOCAL
LOOP
HTU-R
LOCAL
LOOP
HTU-R
HRE HTU-R
HRE HTU-R
HRE #2
AIS
DS1
AIS
DS1
DS1
DS1
DS1
AIS
DS1
X
DS1
AIS
X
DS1
X
HTU-R
61247026L1-5A