ADTRAN DS3 NIU3 PM Installation And Maintenance Practice Download Page 30 | Manualshive

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Issue 5, February 2011

61213075L2-5E

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Summary of Contents for DS3 NIU3 PM

Page 1: ...nce History 18 Figure 19 Performance Thresholds Screen 19 Figure 20 Change Performance Threshold Screen 19 Figure 21 Performance History Data Definitions 1 20 Figure 22 Performance History Data Defini...

Page 2: ...ntinuity to maintain data flow between the network and the customer A front panel LED on the NIU3 PM provides notification of failure Figure 2 illustrates a circuit diagram of the NIU3 PM in a SONET b...

Page 3: ...ndicular movement The unit is secured with two front panel thumbscrews Jack Connections The three housings each have four rear panel BNC connectors for each NIU3 PM Two for Customer Receive Transmit T...

Page 4: ...ormer is specifically intended for use with the standalone housing P N 1212070L1 For the AC DC transformer the red power wire is connected to the RET terminal and the black return wire to the PWR term...

Page 5: ...LOS AIS Red Amber On On Off DS3 signal not present at network interface AIS present at network interface DS3 signal present at network interface NTWK C BIT Green Amber On Off On C Bit framing detecte...

Page 6: ...itting RAI towards the network If there is no signal from the customer the CUST LOS AIS LED turns on red and the NIU3 PM will transmit the signal selected by the Customer LOS option on the Provisionin...

Page 7: ...nd AIS RAI when LOF detected Enabled then RAI is transmitted to the Network Interface AIS detected on Network Interface Network Interface to Customer Interface AIS is transparently passed through to t...

Page 8: ...ing in misplaced characters or screen time outs NOTE Not all option screens are shown in this document Many screen options selected will advance to additional screens with additional options Navigatio...

Page 9: ...tect valid frame alignment in the DS3 signal QRSS Quasi Random Signal Source A modified 2 20 1 pseudorandom test signal that has artificial constraints to limit the maximum number of zeros in the bit...

Page 10: ...nd checksums for the NIU3 PM Figure 7 Adtran NIU3 Main Menu Screen Figure 8 NIU3 Unit Information Screen CIRCUIT ID xxxxxxx 03 01 04 13 04 03 Adtran NIU3 Main Menu 1 NIU3 Unit Information 2 Provisioni...

Page 11: ...equipment whose receiver is sensitive to signal levels in the upper range of T3 specifications In this case the Tx Level to Customer option may be set to Low to reduce the customer transmit signal le...

Page 12: ...tatus Screen NETWORK T3 RECEIVER DATA CUSTOMER LIVE DS3 SIGNAL LOS ______ C BIT FRAMING UNFR NIU3 3 6 dBdsx LEVEL 2 9 NET CUST 15M 24H 30D 15M 24H 30D AIS LOS 000 00000 0000000 ES L 000 00000 0000000...

Page 13: ...ors From the Troubleshooting Screen it is possible to make the following selections Receive Guidance in problem resolution Clear the Performance Monitoring information Clear the Alarm History View Per...

Page 14: ...ly the following warnings will display immediately upon occurrence on the Network and Customer interface Receive Level Low or High Receive Frequency Lock Error The Receive Frequency Lock Error provide...

Page 15: ...n the next screen Figure 13 shows an active network loopback Figure 13 Loopback and Test Commands Screen NTWK LBK Active CIRCUIT ID xxxxxxx 03 01 04 13 04 03 Press ESC to return to previous menu Loopb...

Page 16: ...the customer and it can be set to C BIT M13 or UNFR unframed The Timing Source for Pattern option selects whether the received network DS3 signal NTWK or the NIU3 PM local reference clock LOCAL will b...

Page 17: ...30 000 000 000 00000 6 30 Days Data 01 01 12 15 000 000 000 00000 7 Line Data 01 01 12 00 000 000 000 00000 8 Path Data 1 01 01 11 45 000 000 000 00000 9 Path Data 2 01 01 11 30 000 000 000 00000 10...

Page 18: ...MSEC 00000 00000 00000 00000 0000000 3 15 Min Data 03 01 00000 00000 00000 0000000 4 60 Min Data 02 29 00000 00000 00000 0000000 5 24 Hr Data 02 28 00000 00000 00000 0000000 6 30 Day Data 02 27 00000...

Page 19: ...ear end only The Path Related thresholds set the thresholds for the near and far path parameters for both network and customer All thresholds can be disabled or reset to factory default Figure 19 Perf...

Page 20: ...SEF 1 or AIS 1 UAS P Unavailable Seconds 10 cont SES Ps CV P Code Violation Count Parity Error Count NOTE Reverse video indicates invalid data due to a terminal restart or power cycle a data register...

Page 21: ...og choose R for Reset This reset must be confirmed by choosing Y on the next screen Possible events include the following Status changes Provisioning commands Loopback commands remote and manual Power...

Page 22: ...or NIU3 local to the NIU3 PM To clear the alarm log choose R This reset must be confirmed by choosing Y on the next screen Possible alarms include the following Power events Alarm log reset FEAC alar...

Page 23: ...NIU3 PM date and time Once date and time are configured the date and time performance registers update accordingly Figure 25 Set Circuit ID and Scratch Pad Figure 26 Set System Date and Time CIRCUIT I...

Page 24: ...UPDATE 03 01 04 02 04 03 Press ESC to return to previous menu TERMINAL MODES MENU MANUAL UPDATE MODE You can print or log screens No text is highlighted Ctrl R TO UPDATE appears at the top of each scr...

Page 25: ...d press ENTER 5 From the Software Download menu to begin YModem download select option 1 press ENTER 6 A screen appears stating that the NIU3 PM is waiting for download and the character C appears acr...

Page 26: ...ork direction The remaining codes send the associated test pattern in both network and customer directions simultaneously To deactivate a loopback or test pattern send 1110110 and the NIU will respond...

Page 27: ...ector Ntwk LOS Indication Ntwk AIS Indication Ntwk C Bit M13 Indication Regen Cust Out Cust In Network Loopback Regen Ntwk Out Ntwk In Customer Monitor Network To Network Monitor Customer To RCV Frami...

Page 28: ...m the following steps 1 Insert a jumper strap on the posts immediately adjacent to the suspect relay This provides a signal path bypassing the relay 2 Using an appropriately sized IC extractor tool li...

Page 29: ...es T400 density NIU3 PM circuit board 8 ounces Standalone housing 2 pounds 3 slot shelf 4 pounds 12 slot shelf 12 pounds Environmental Operating Temperature Storage Temperature Relative Humidity 40 C...

Page 30: ...30 Issue 5 February 2011 61213075L2 5E...

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