Telstrat manual DTEPORT1, Test, Staus, Srvice, NTU-45 Rear Panel, Interfaces, Front Panel LEDs

NTU-45 Front Panel

1

CONTROL

2

SRVICE3

4

5 6

STAUS

STAUS

7

STAUS

STATUS

REMOTE

INTEST

LOOP

LOOPLOP

IN

TEST

IN

TEST

IN

TEST

INTEST

ALARM

SELECTLOCALREMOTE

TD

ACTIVE

OPTICL

TDR

TDR

TDR

LOS

DTEPORT1

DTEPORT2

DTEPORT3

RD

DTEPORT4

INTERFACE

IN	SRVICE		LOOP	LOOPLOP	STAUS		ST
	TEST				IN	TEST	I
ALARM		OPTICL	SELECT	LOCALREMOTE	TDR
LOS						DTEPORT1
		INTERFACE

NTU-45 Rear Panel

8	511/693	10			12
48V+-,0.5A	DTEPORT4	DTEPORT3	DTEPORT2	ALARM	NCDTECOMPORTNO1	LAN	TXOUTLaser RadiationRXIN
							Avoid Exposure to Beam
							Laser Class 1 Product
							Complies with 21 CFR
USECOPPER							OPTICALINTERFACE
CONDUCTORSONLY

911 13 14Interfaces

1.	Local Control Port	VT100, EIA-232 Interface for local management
	(Telstra use only)
8.	Power Cord Strain Relief 48V DC power interface (Earth, Positive, Negative)

9.DC Power Terminal Block

10.DTE Ports 2, 3 and 4 Slots to accomodate optional HSSI or V.35 DTE modules

11.	DTE Port 1	In-built High Speed Serial Interface (HSSI)
12.	Alarm Port	Alarm Relay Contacts (Normally Closed, Common, Normally Open)
	(Telstra use only)
13.	Management Port	10BaseT LAN interface for remote management via MACS
	(Telstra use only)
14.	Optical Interface Port	Flat-SC Optical interface with separate Transmit and Receive fibres
	(Telstra use only)

Front Panel LEDs2. Remote Active LED (Telstra use only)

Remote Active	Indicates when the NTU-45 is being managed locally, or via a Telnet session
(Yellow)
3. Optical Interface LEDs (Network Interface - Telstra Use Only)
IN SERVICE (Green)	Indicates when the NTU-45 is powered on and functioning correctly .
TEST (Yellow)	Indicates when a Loop or Bit Error Rate test is active on the Optical Interface.
ALARM (Yellow or	YELLOW indicates that there is a problem with the Remote NTU-45.
Red)	RED indicates that the NTU-45 cannot align with the incoming signal.
LOS (Red)	Indicates that the NTU-45 cannot detect any signal on the Optical Interface.
7. DTE Port LEDs (Customer Interfaces)
Status (Green	OFF indicates that there is no card installed
Yellow or Red)	Flashing GREEN indicates that the interface is not configured for service
	GREEN indicates that the interface is ready to carry data.
	YELLOW indicates that the interface is ready, but cannot detect the
	customer's equipment (DTE)
	RED indicates that there is a problem with the interface.
In Test (Yellow)	Indicates when a Loop or Bit Error Rate test is active on the Interface.
	During the process of activating a loop from the front panel push buttons,
	this LED will Flash, indicating that it is selected but no Loop test exists.
TD (Green)	Indicates that the interface is transmitting data to the Newtork
RD (Green)	Indicates that the interface is receiving data from the Network

Front Panel Push Buttons4. Loop Select

The Loop Select button is used to select the port that is to be looped. It will cycle through the four ports, causing the respective ports Test LED to flash.

When a loop is in place, pressing this button will turn the loop off.

5. Loop Local

When a port has been selected using the Loop Select button, pressing the Loop Local button will initiate a loop on the selected port of the local NTU-45.

When a loop is in place, pressing this button will turn the loop off.

6. Loop Remote

When a port has been selected using the Loop Select button, pressing the Loop Remote button will initiate a loop on the selected port of the remote NTU-45.

When a loop is in place, pressing this button will turn the loop off.