Telstrat Network Card NTU 45 User Manual

Service Difficulties & Faults  
If you encounter any difficulties or faults, please contact:  
Global Customer Service – 1800 028 555  
Or your Account Executive.  
NTU-45  
Quick Reference  
Guide  
S/I Number  
511/692  
511/693  
511/722  
511/694  
511/695  
511/696  
511/707  
Item Description  
NTU-45, HSSI B/U 48VDC+240VAC Power Pack  
NTU-45, HSSI B/U 48VDC  
Power Pack, 48VDC for NTU-45/45E -AULT  
Power Pack, 240VAC – 48VDC for NTU-45  
NTU-45 Module,V35 Service Interface  
NTU-45 Module,HSSI Service Interface  
Tray, Cable for NTU-45  
61200660L1-13A  
 
NTU-45 Front Panel  
Front Panel LEDs  
2. Remote Active LED (Telstra use only)  
1
2
3
4 5 6  
7
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 .  
Indicates when a Loop or Bit Error Rate test is active on the Optical Interface.  
YELLOW indicates that there is a problem with the Remote NTU-45.  
TEST (Yellow)  
ALARM (Yellow or  
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  
Yellow or Red)  
OFF indicates that there is no card installed  
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  
NTU-45 Rear Panel  
customer's equipment (DTE)  
8
10  
12  
11  
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.  
Laser Radiation  
Avoid Exposure to Beam  
Laser Class  
1
Product  
Complies with 21 CFR  
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  
Indicates that the interface is receiving data from the Network  
9
13  
14  
RD (Green)  
Interfaces  
Front Panel Push Buttons  
1. Local Control Port  
(Telstra use only)  
4. Loop Select  
VT100, EIA-232 Interface for local management  
48V DC power interface (Earth, Positive, Negative)  
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.  
8. Power Cord Strain Relief  
DC Power Terminal Block  
DTE Ports 2, 3 and 4  
9.  
When a loop is in place, pressing this button will turn the loop off.  
10.  
Slots to accomodate optional HSSI or V.35 DTE modules  
In-built High Speed Serial Interface (HSSI)  
5. Loop Local  
11.  
DTE Port 1  
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.  
12. Alarm Port  
(Telstra use only)  
Alarm Relay Contacts (Normally Closed, Common, Normally Open)  
10BaseT LAN interface for remote management via MACS  
Flat-SC Optical interface with separate Transmit and Receive fibres  
When a loop is in place, pressing this button will turn the loop off.  
Management Port  
(Telstra use only)  
13.  
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.  
14. Optical Interface Port  
(Telstra use only)  
When a loop is in place, pressing this button will turn the loop off.  
 

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