Paradyne 336x E1 manual Test Jacks

ACCULINK 336x E1 NTU

Test Jacks

Six test jacks are located on the front panel

(Figure 4-1). These test jacks allow for four break-in tests and two monitor access points to the E1 NTU.

Test jack functions are shown in Figure 4-2and described in Table 4-8.

E1 E1

LINE MON

Out Out

HDSL	E1	E1
NET	LINE	MON
Lp1	In	In
Lp2	Out	Out
		495-14753

Figure 4-1. E1 NTU Test Jacks

HDSL

NET

Lp1

TERMINAL EQUIPMENT

(DTE)

LINE

INTERFACE

NTU

CIRCUITRY

LINE	HDSL
INTERFACE	NETWORK

E1	E1				HDSL
		Port 1		Port 3
LINE	MON		Port 2 Port 4		NET
In	In				Lp2	495-14754

Figure 4-2. Test Jack Block Diagram

	Table 4-8
	Test Jack Functions
Test Jack Name	Function
HDSL NET Lp1	A break-in test jack that allows a signal to be inserted by external test equipment.
(HDSL Network Loop 1)	The signal is inserted and received on the HDSL (Loop 1) side of the E1 NTU.
HDSL NET Lp2	A break-in test jack that allows a signal to be inserted by external test equipment.
(HDSL Network Loop 2)	The signal is inserted and received on the HDSL (Loop 2) side of the E1 NTU.
E1 LINE In	A break-in test jack that allows an E1 signal to be inserted toward the E1 NTU on
	the G.703 DTE side of the E1 NTU.
E1 LINE Out	A break-in test jack that allows an E1 signal to be inserted toward the terminal
	equipment on the G.703 DTE side of the E1 NTU.
E1 MON In	A monitor jack that nonintrusively monitors the signal coming out of the terminal
(E1 Monitor In)	equipment on the G.703 DTE side of the E1 NTU.
E1 MON Out	A monitor jack that nonintrusively monitors the signal going into the terminal
(E1 Monitor Out)	equipment on the G.703 DTE side of the E1 NTU.

4-14 December 1996 3360-A2-GB20-20