Desktop Unit Installation; G.703 75 Ω Output Connector Pinouts; G.703 75 Ω Input Connector Pinouts; G.703 120 Ω Interface Connector Pinouts - ADC WorldDSL UTU-701C Quick Installation Manual

700-701-900-02, Revision 02

Desktop Unit Installation

The ETU chassis must be connected to earth ground for
protection of the equipment and for personnel safety.
Die Geraete Erdung des ETU muss via die Haupt-Erdung
(Erdpotential) guarantiert werden, um das Geraet zu
schuetzen und die Sicherheits des Personals zu
gewaehrleisten.
To install the desktop unit:
1 Connect either the 120Ω cable or the 75Ω input and output cables from
the DTE to the mating connectors on the ETU rear panel. The pinouts for
the 75Ω and 120Ω connectors are listed in the following tables.
Pin
Center
Shield
Pin
Center
Shield
Pin
1
2
3
4
9
11
(a) No other pins are used.
UTU-701C and ETU-751C List 1
G.703 75 Ω Output Connector Pinouts
Signal
E1_TTIP
E1_TRING
G.703 75 Ω Input Connector Pinouts
Signal
E1_RTIP
E1_RRING
G.703 120 Ω Interface Connector Pinouts
(a)
Signal
E1_RTIP
E1_R120SCRN
E1_TTIP
CGND
E1_RRING
E1_TRING
Description
G.703 Output, Tip
G.703 Output, Ring
Description
G.703 Input, Tip
G.703 Input, Ring
Description
G.703 Input, Tip
G.703 Input port screen
G.703 Output, Tip
Chassis ground
G.703 Input, Ring
G.703 Output, Ring
June 5, 2002
Installation
11