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150-512-100-03, Revision 03

Specifications

HRU-512 List 1

September 25, 1998

 29

S

PECIFICATIONS

HDSL Line Code

784 kbps 2B1Q full duplex

HDSL Output

+13 dBm ± 0.5 dB at 135 

HDSL Line Impedance

135 

HDSL Line DC resistive 
signature

180 k 

 across Tip and Ring

Maximum Provisioning Loss

35 dB at 196 kHz, 135 

Line Clock Rate

Internal Stratum 4 clock

HDSL Startup Time

15 seconds (typical), 60 seconds (maximum)

One Way DS1 Delay

<220 microseconds

DS1 Line Impedance

100 

DS1 Pulse Output

0 dB (LBO=0), -15 dB (LBO = -15)

DS1 Input Level

>-22.5 dB

DS1 Line Rate

1.544 Mbps ± 200 bps

DS1 Output Wander
(MTIE and TVAR)

Compliant with Section 7.2.1 of the 
T1X1.3/90-026R7 SONET committee report.

DS1 Line Format

AMI or B8ZS

DS1 Frame Format

ESF or SF

Power Consumption

7 Watts (maximum)

Electrical Protection

Secondary surge and power cross protection on 
all DS1 and HDSL ports

Operating Temperature and 
Humidity (non-condensing)

-40º to +65º C, 5-95% humidity

Mounting

Single wide 400 type mechanics

Dimensions

Depth: 

5.6” (14.22 cm)

Height: 

5.6” (14.22 cm)

Width:

1.4” (3.5 cm)

Summary of Contents for 150-1253-01

Page 1: ...150 512 100 03 Model List Number Part Number CLEI Code HRU 512 1 150 1253 01 T1LIEPNRAA L TELEPHONE CO PROPERTY OK MAR ES ESF SF ERR ZS AMI BPV B8 NET CI LOS LOS L P 1 C O D E C I L I N E M O N C I L...

Page 2: ...and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent of PairGain Other product names mentioned in this practice are used for identification pur...

Page 3: ...anel Features 8 Local and Line Power 10 Installation ____________________________________________ 11 Unpack and Inspect the Shipment 11 Install the HRU 512 List 1 11 Installation Test 14 Provisioning...

Page 4: ...ist 1 Rear Panel 9 Figure 4 HRU 512 List 1 Edge Connector Pinouts 14 Figure 5 DB 9 Connector Pinouts 16 Figure 6 Remote Log on Screen 18 Figure 7 Main Menu Local Log On 19 Figure 8 Span Status Display...

Page 5: ...100 03 Revision 03 HRU 512 List 1 September 25 1998 v LIST OF TABLES Table 1 HRU 512 List 1 Front Panel Components 7 Table 2 Rear Panel Components 10 Table 3 HRU 512 List 1 Alarm History Screen Defini...

Page 6: ...150 512 100 03 Revision 03 vi September 25 1998 HRU 512 List 1...

Page 7: ...TA TSY 001210 The HRU 512 List 1 complies with ANSI T1 403 1989 and T1E1 4 92 002R2 technical standards and recommendations The HRU 512 List 1 mounts in a single slot of any industry standard 400 mech...

Page 8: ...1 High Capacity Digital Service HCDS to customers over a metallic cable pair The HiGain system can be deployed on one unconditioned non loaded wire pair without repeaters and without the need for eith...

Page 9: ...cuitry When the HRU 512 List 1 is locally powered from 48 V an additional 30 V power supply is created This provides a 60 mA simplex current source to power an external NID Network Interface Device if...

Page 10: ...ng mode of each of the active channels can be optioned for either Robbed Bit RBS as is required for voice channels or Clear CLR which is normally used for data applications If the RS 232 port of an HR...

Page 11: ...HRU 512 List 1 Front Panel HRU 512 HiGain FT1 REMOTE DS1 LOS LOS A L M 60mA MON R E M L O C R C V C I L I N E M O N L B NET CI C I L I N E M O N X M T C O D E F R M B8 ZS AMI BPV ESF SF ERR HDSL OK MA...

Page 12: ...ed time slots are not affected Loopback LB LEDs NET LED lights green to indicate the HRU 512 List 1 is in a loopback state where the signal from the network is looping back to the network CI LED light...

Page 13: ...low the user defined margin threshold value This option is set at the HLU RS 232 front panel maintenance port in the System Settings menu ES LED flashes red to indicate that one HDSL CRC error is dete...

Page 14: ...REAR PANEL FEATURES The HRU 512 List 1 has two user switch options and a jumper located at the rear of the unit as shown in Figure 3 Each switch has two settings as described in Table 3 Figure 3 HRU...

Page 15: ...s feature prevents the HRU 512 List 1 from oscillating into and out of TLOS loopback when a loopdown command is issued in the absence of a T1 signal from the CPE This TLOS option must never be enabled...

Page 16: ...current towards the HLU when the HRU 512 List 1 is locally powered Jumper JP2 located on the HRU 512 List 1 shown in Figure 3 and switch SW5 located on the HLU may be configured by the user to either...

Page 17: ...If you must store the equipment for a prolonged period store it in the original container INSTALL THE HRU 512 LIST 1 The HRU 512 List 1 mounts in the following Remote Indoor Enclosures shelves PairGai...

Page 18: ...efer to the shelf s technical practice for additional information 2 Slide the HRU 512 List 1 into the card guides for the desired slot then push the unit back until it touches the backplane cared edge...

Page 19: ...e Connector Pinouts 55 DS1 TIP 53 51 49 DS1 RING 45 43 41 HDSL2 TIP 1 39 37 35 33 31 29 27 25 23 21 19 17 15 DS1 RING1 13 HDSL RING 11 9 7 HDSL TIP 56 CHASSIS GND 8 10 12 14 16 18 20 22 24 26 28 30 32...

Page 20: ...p NLOC for five seconds If possible verify that the HLU front panel displays NLOC 4 Repeat step 2 If the test passes the problem is in the cable pair or in the HRU 512 List 1 If the test fails the pro...

Page 21: ...ist 1 menus and screens CONNECT A MAINTENANCE TERMINAL To connect a maintenance terminal 1 Connect a standard 9 pin serial terminal cable to the Craft port a DB 9 female connector to the HRU 512 List...

Page 22: ...U 512 List 1 2 Connect the other end of the terminal cable to the console port on the maintenance terminal 3 Configure the maintenance terminal to the following communication settings 1200 to 9600 bau...

Page 23: ...ral times to activate the autobaud feature and to display the logon screen When using doublers the remote logon screen displays when the HRU 512 List 1 and the HLU synchronize See Figure 7 Figure 6 Re...

Page 24: ...og On To access options available on the Main Menu type the desired letter and then press Hi GAIN FT1 LU REMOTE TERMINAL MAIN MENU ver V1 3L 0001 CIRCUIT ID PairGain Technologies A VIEW SPAN STATUS C...

Page 25: ...reen 2 Type to exit to the Main Menu SPAN STATUS HLU ver 1 3 0001 HRU ver 1 3 0001 TIME 11 06 15 DATE 07 06 95 CIRCUIT ID PairGain Technologies ALARMS NONE LOOPBACK OFF HLU HDSL HRU HDSL 2 cur min max...

Page 26: ...ange system settings at the HLU connected to the HRU 512 List 1 3 Type to exit the System Settings Menu SYSTEM SETTINGS TIME 11 07 38 DATE 07 06 95 CIRCUIT ID PairGain Technologies IDLE CODE FF NETWOR...

Page 27: ...15 000 000 000 000 000 000 000 07 30 000 000 000 000 000 000 000 07 45 000 000 000 000 000 000 000 08 00 000 000 000 000 000 000 000 08 15 000 000 000 000 000 000 000 08 30 000 000 000 000 000 000 000...

Page 28: ...Gain Technologies ERRORED SECONDS UNAVAILABLE SECONDS DS1 HDSL HLU HRU HLU HRU 06 29 00000 00000 00000 00000 00000 00000 00000 06 30 00000 00000 00000 00000 00000 00000 00000 07 01 00000 00000 00000 0...

Page 29: ...History Screen 2 Type to update the Alarm History screen to the most current data 3 Type to exit the Alarm History screen ALARM HISTORY TIME 11 13 39 DATE 07 06 95 CIRCUIT ID PairGain Technologies Ty...

Page 30: ...ltiplexer Mux Out of Sync The D4 Channel Bank is generating a MOOS condition DS1 DS1 BPV Errored Seconds Indicates that the number of BPV seconds in which at least one BPV has occurred at the HRU DS1...

Page 31: ...n the digital multiplexer function of the HRU 512 List 1 as shown in the block diagram See Figure 1 on page 4 The NREM loopback shown in Figure 13 is the standard NID metallic loopback NREM has two mo...

Page 32: ...Code and Frame monitoring circuits are connected to the network s signal which is being looped back to these circuits through the metallic loopback relay The CPE input signal is no longer being monito...

Page 33: ...is installed in position 8B of the D4 bank and the circuit is provisioned for four contiguous DS0 time slots of bandwidth the data is in HLU DS0 time slots 8 9 10 and 11 and in HRU 512 List 1 DS0 time...

Page 34: ...t end when the DS1 code option is set to AUTO If the HRU 512 List 1 has a metallic loopback and it is in its AUTO AMI mode and then the distant end switches from an AMI pattern to an all zero B8ZS pat...

Page 35: ...ay 220 microseconds DS1 Line Impedance 100 DS1 Pulse Output 0 dB LBO 0 15 dB LBO 15 DS1 Input Level 22 5 dB DS1 Line Rate 1 544 Mbps 200 bps DS1 Output Wander MTIE and TVAR Compliant with Section 7 2...

Page 36: ...r Violations B8ZS Binary Eight Zero Substitution CO Central Office CRC Cyclic Redundancy Check CSA Carrier Service Area ES Errored Seconds ESF Extended Superframe HDSL High bit rate Digital Subscriber...

Page 37: ...a Customer Service Engineer At other times a request for technical assistance is handled by an on duty Customer Service Engineer through a callback process This process normally results in a callback...

Page 38: ...problem to PairGain Technologies Inc 14352 Franklin Avenue Tustin CA 92780 ATTN Repair and Return Dept 800 638 0031 PairGain continues to repair faulty modules beyond the warranty program at a nominal...

Page 39: ......

Page 40: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031...

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