Section 150-612-102
Revision 03
Page 19
Figure 13. HRU-612 View Alarm History Display.
Copyright © 1996, PairGain Technologies, Inc. PairGain is a registered trademark, CopperOptics and HiGain are trademarks of PairGainTechnologies, Inc.
Страница 1: ...IONS 2 3 SPECIFICATIONS 3 4 CERTIFICATION 3 5 WARRANTY 4 6 TECHNICAL ASSISTANCE 4 B FUNCTIONAL DESCRIPTION 7 FUNCTIONAL OPERATION 4 8 FRONT PANEL 6 9 OPTIONS 7 10 LOOPBACKS 9 C INSTALLATION AND TEST 1...
Страница 2: ...smart jack loopback Conforms to TR TSY 000312 Provisioning switches for CPE current RCV LBO and XMT LOS initiated loopback or AIS Front panel jacks for test access RS 232 front panel terminal access f...
Страница 3: ...50 Celsius 5 to 95 non condensing Mounting Single width 400 type mechanics slot Dimensions 5 6 H x 1 4 W x 5 6 D 4 CERTIFICATION 4 01 FCC Compliance The HRU 612 List 2 has been tested and found to co...
Страница 4: ...Technical Assistance is available 24 hours a day 7 days a week by contacting PairGain s Customer Service Engineering group at one of the following numbers Telephone 800 638 0031 714 832 9922 Fax 714 8...
Страница 5: ...the screen displays The port is configured as DCE with 8 data bits 1 stop bit and no parity Striking the SPACE bar several times invokes autobaud from 1200 to 9600 baud Note that if the RS 232 port in...
Страница 6: ...B NET GREEN LED indicating the HRU is in a loopback state in which the signal from the NETwork is being looped back to the NETwork CI YELLOW LED indicating the HRU is in a loopback state in which the...
Страница 7: ...611 100 for more details The HRU also has three user options set by switches located at the back of the unit as shown in Figure 4 Each switch has two settings as follows refer to the block diagram in...
Страница 8: ...en the HRU does not function as the NID but is connected to an external NID It allows the external NID to set the appropriate NI level 15 Configures the T1 RCV LEVEL to 15 dB This sets the T1 output s...
Страница 9: ...t jack loopback state It remains in this state until a loopdown command is detected or the default time out period if enabled expires 10 04 When the HRU is in its AIS ENA smart jack metallic loop back...
Страница 10: ...ed or unframed The loop down command for both is the standard 3 in 5 five second pattern C INSTALLATION AND TEST 11 INSTALLATION 11 01 Upon receipt of the equipment visually inspect it for signs of da...
Страница 11: ...e C O 7 To verify that the proper ports are use for the VHDSL DS1 pairs use an ohm meter to verify that the VHDSL HRU 612 port has a 180 k T to R resistive signature in contrast to the DS1 ports which...
Страница 12: ...ustomer at HRU 612 NREM Network Remote Loopback DSX signal is looped back to DSX at HRU SMJK Remote Smartjack Loopback Signal from DSX is looped back at HRU by the HRU smartjack module TLOS Transmit L...
Страница 13: ...ng System Settings review mode defined above FRM Frame SF ESF UNFR NONE Defines the type of frame pattern being received from the DSX 1 Displayed during System Settings mode defined above CODE Line Co...
Страница 14: ...tiated by 2 in 5 in band loopback code or out of band ESF data link code See Figure 5 NREM Network Remote Loopback Loopback at HRU remote towards network initiated from C O network by intelligent line...
Страница 15: ...Hour ES Errored Seconds The number of 1 second intervals that contained at least 1 CRC error This value is a running total of the last 24 Hours VHDSL 24 Hour UAS Unavailable Seconds The number of sec...
Страница 16: ...Section 150 612 102 Revision 03 Page 16 Figure 7 HRU 612 Maintenance Terminal Main Menu Figure 8 HRU 612 View Span Status Display...
Страница 17: ...Section 150 612 102 Revision 03 Page 17 Figure 9 HRU 612 System Settings Menu Figure 10 HRU 612 Set Clock Menu...
Страница 18: ...Section 150 612 102 Revision 03 Page 18 Figure 11 HRU 612 View Performance Data Display Figure 12 HRU 612 View Performance History Display...
Страница 19: ...2 102 Revision 03 Page 19 Figure 13 HRU 612 View Alarm History Display Copyright 1996 PairGain Technologies Inc PairGain is a registered trademark CopperOptics and HiGain are trademarks of PairGain Te...
