HDSL
GENERAL
1.2
1.3. REAR PANEL VIEW
TX
RX
G703 75
Ω
120 / 75
Ω
G703 120
Ω
V.35
LINE
CONFIG
PWR
Picture 3
Name
Function
PWR
Power supply
CONFIG
9pin female connector for device configuration
LINE
HDSL line connector RJ11 4 contacts
G.703 120 ohm
G.703 interface 120 ohm 9 pin female connector
120/75 ohm switch
G.703 interface setup at 120 ohm or 75 ohm
G.703 75 ohm TX
G.703 interface 75 ohm coaxial BNC (send)
G.703 75 ohm RX
G.703 interface 75 ohm coaxial BNC (receive)
G.703 75 ohm switch
Join the shield of coaxial connectors G.703 75 ohm
V.35
V.35 interface, 25 pin female connector
1.3.1. LINE CONNECTOR PIN
PIN
Signal
3 and 4
HDSL Line 1
1 and 2
HDSL Line 2
1.3.2. G.703 120 OHM CONNECTOR PIN
PIN
Signal
1 and 2
Receive
4 and 5
Send
n.c.
n.c.
B
A
B
A
1B
2B
5B
6B
1A
2A
5A
6A
RED
BROWN
WHITE
BLUE
PIN2
PIN1
PIN3
PIN4
4 3 2 1
