
SIDACtor
Data Book
Digital Transmission Equipment
Teccor Electronics
(972) 580-7777
3 - 11
R
Figure 3-9 HDSL Overview
Figure 3-10 HDSL Protection
DS-1 Rate
Interface
(1.544 Mbps)
DS-1 Rate
Interface
(1.544 Mbps)
Central Office Site
Remote Site
784 kbps Full-Duplex loop
784 kbps Full-Duplex loop
< 12 kft, 200 kHz BW
+2.5 volt signal level
2B1Q, Zo=135 ohms
HTU-C
HTU-R
P2300SC
P2300SC
F1250T
F1250T
Tip
Ring
P0080SA
P2300SC
P2300SC
F1250T
F1250T
Tip
Ring
P0080SA
TX
RX
HDSL
Transceiver
Power
Sink
HTU-C/HTU-R INTERFACE PROTECTION