ON-LINE USER MANUAL HD-4 Series Testsets
Contents
1. 5 cm WoIQhti 20stse sirens 15 ounces 425 gms Specifications subject to change without notice MAINTENANCE Cordsets should be checked periodically for continuity shorts and signs of physical wear such as fraying and loose test clips that may interfere with the unit s ability to function properly HD 4 Series testsets may be cleaned with a damp cloth Use a small amount of liquid soap if heavy dirt is encountered Do not use scouring powders or cleansers as they may scratch the unit or cause malfunctions WARRANTY Limited 1 Year Warranty HD Telecom warrants to the original end user purchaser that its lineman s testset and the components thereof will be free from defects in workmanship and materials for a period of one year from the date of purchase The obligations of HD Telecom Inc under this warranty shall be limited to the repair or replacement at our option during the warranty period of any part that proves defective in material or workmanship under normal installation use and service provided the product is returned to HD Telecom Inc freight prepaid Products returned to us must be accompanied by a copy of the purchase receipt In absence of such purchase receipt the warranty period shall cease 18 months from the date of manufacture No warranties other than that set forth in this section are given or implied HD Telecom shall not be liable for any consequential damages or loss direct or incidental including withou2. ON LINE USER MANUAL HD 4 Series Testsets Model HD 4 This is an on line manual for the HD 4 Series of HD Telecom testsets The HD 4 series of telephone craft testsets are used by installers repair technicians and other telecommunications personnel for the installation and testing of telephone services The HD Telecom HD 4 Series Testsets provide High Impedance Safe For Data Line Monitor feature Electronic ringer to indicate incoming calls DTMF tone and rotary pulse dialing Last number redial 23 digits T P Line polarity indication Register recall hook flash Mute feature for noisy locations Modular cordset connection The modular jack for cordset connection allows you to change cordsets quickly The enclosure is made of impact resistant polycarbonate designed to withstand the rough conditions and shocks associated with craft use The back of the testset is equipped with a non slip pad to enable testing while the HD 4 rests on your shoulder The recessed key pad design protects the keypad from damage and minimizes accidental button contact A large belt clips provides convenient connection to installer s belts The HD 4 series testsets may be used with several types of cordsets See the CORDSET section for details SWITCHES AND INDICATORS See drawing on page TLK RNG MON Switch Located below the receiver this 3 position switch is used to select the mode of operation TLK Talk This positi
3. ary repairs and return the testset to you Charges for service and return freight are invoice on a C O D basis with the return shipment unless you have an approved credit account See shipping instructions below Shipping Instructions 1 Ship the testset and a copy of the sales receipt if available 2 Enclose a description of the problem you are having 3 Include your name address and telephone number 4 Pack securely to prevent damage in transit 5 Ship prepaid to HD Telecom Inc Service Group 2000 South College Ave Suite 310 Fort Collins CO 80525 NOTE Specifications are subject to change without notice
4. number dialed will be redialed from the internal memory Please see OPERATION section for details M Mute key When pressed the transmitter is muted and the sidetone is eliminated Use of the mute feature improves communications in noisy locations F FLASH key When pressed the testset produces line break hook flash This function is typically used for register recall Pol POLARITY key Model HD 4 When the polarity key on the Model HD 4 is pressed the polarity of the line is checked and indicated on the LEDS s Please see OPERATION section for details Polarity Testing Model HD 4ASH OPERATION Basic operation of the testset may be accomplished as follows 1 Select MON monitor mode 2 Connect the cordset to the line Red lead to Ring Black lead to Tip 3 Confirm line is not in use 4 Select PULSE or TONE dialing 5 Select TLK mode and confirm dial tone is received 6 Proceed with dialing conversation line testing etc Monitor Use The high impedance monitor circuit enables the craft person to monitor a line without interrupting conversations or data transmissions MONITOR is an on hook condition Use the following procedure 1 Select MON monitor mode 2 Connect the cordset to the line Red Lead to Ring Black Lead to Ring 3 Listen monitor on the line Note The amplified speaker feature does not operate in monitor mode Last Number Redial LNR Redialing of the last number dialed ma
5. on connects the testset to the line for network signaling conversation and testing The TLK position creates an off hook condition such as that found with a regular telephone set RING This position connects the internal electronic ringer to the line in order to receive incoming ring signals The RING position creates an on hook condition with the speech and test circuits isolated from the line MON Monitor This position connects the testset to the line through a high impedance circuit allowing monitoring of the line without disturbing conversations data transmission or network signaling The MON position creates an on hook condition with the speech test circuits and ring circuit isolated from the line P T Pulse Tone Switch Located below the receiver this 2 position switch is used to select the dialing mode The PULSE position selects rotary style dial pulse signaling The TONE position selects DTMF signaling LEDs Polarity Indicator The HD 4 testsets employ 2 LEDs one green and one req to indicate line polarity The polarity indicator LEDs are located above the keypad Please see OPERATION section for details Keypad There are 12 standard network addressing keys and 4 control keys to enable special functions The 12 standard keys are used in signaling and for entering digits for network addressing For all models the control keys cause the following functions to be performed R REDIAL key When pressed the last
6. stset and the 310 plug is connect to the central office equipment Mod to Mod Cordset Model HD4 202 This cordset is to be used for testing standard modular jack connections and has a 6 position 4 wire modular plug at each end One modular plug is inserted into the modular jack inside of the HD 4 testset and the other modular plug is inserted into the jack to be tested SPECIFICATIONS ELECTRICAL Talk Loop Limit 8000 ohms maximum at 48 VDC Leakage e Higher than 500K Ohms Impedance Greater than 120K Ohms Return Loss 600 Ohms Greater than 500K Ohms ROTARY DIAL OUTPUT Pulse Rate 10 pps 10 M B Ratio 08 60 40 2 Interdigit Interval 800ms typical Leakage During Break Greater than 500K Ohms DTMF OUTPUT Tone Frequency Error 1 5 maximum Tone Level High Group 6dBm 2dB Low Group 8dBm 2dB High Low Tone twist 2 dB 1dB MEMORY DIALING WYPOss seisee dees ease Last number redial Mode Tone and Pulse Retention 15 minutes Capacity 23 digits RINGER Output Level 76dBA at 1 meter Response 0 0606 16 25 Hz 60 Volts Operating Temperature 10 Deg C to 60 Deg C PHYSICAL Length 068 9 3 4 inches 24 76 cm WHT es Aa cadets cctens 2 5 8 inches 6 66 cm HGIGN a vceestairsearacs 2 1 2 inches 6 3
7. t limitation damages or expenses resulting from the use the misuse or the inability of its products Cordsets used with testsets are not under warranty This warranty shall be invalid if the product is damaged as a result of misuse abuse neglect accident exposure to improper electrical voltages or currents repair alteration or maintenance by any persons other than the HD Telecom service facility Some states do not allow limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty give you specific rights and you may also have other rights which vary from state to state SERVICE HD Telecom products are designed and manufactured to ensure a minimum of maintenance However should your testset ever require service follow the instructions below In Warranty Service For in warranty service ship the unit to our service group Include a form of proof of purchase such as a copy the sales receipt HD Telecom will at our option repair or replace your testset free of charge and will return it freight prepaid Note that cordsets used with the testset are not under warranty See shipping instructions below Out of Warranty Service For out of warranty service ship the damaged unit to our service group HD Telecom will inspect the unit for damage and advise the estimated cost of repair by phone or mail Upon your approval of the estimated repair charge we will make all necess
8. ular jack for easy connection of a variety of cordsets This jack is located under the cover that secures the belt clip To change the cordset remove the four screws holding the cover and release the cordset plug Insert the new cordset plug and replace the cover and the screws CORDSETS Standard Cord Model MCS 001 This cordset is approximately 5 feet in length It consists of two conductors one red and one black It is equipped with a modular plug on one end and bent nose alligator clips at the other end The modular plug is inserted into the modular jack under the cover securing the belt clip The bent nose alligator clips are attached to telephone line terminals for testing functions and monitoring the status of the line Ground Start Cord Model MCS 301 This cordset is approximately 5 feet in length It consists of three conductors one red one black and one green It is equipped with a modular plug a tone end and bent nose alligator clips at the other end The modular plug is inserted into the modular jack under the cover securing the belt clip The bent nose alligator clips are attached to telephone line terminals for testing functions and monitoring the status of the line 310 Cordset Model HD4 310 This coiled cordset is intended for central office use and is equipped with a modular plug on one end and a 310 plug with a strain relief on the other end The modular plug is inserted into the modular jack inside of the HD 4 te
9. y be done in TONE or PULSE modes Up to 23 digits may be recalled The memory of a HD 4 Series testset will retain the last number redialed for 15 minutes To use the redial After you have dialed a number go off line for a moment then press TLK to reconnect to the network Confirm that you have a dial tone and then press the R key on the keypad The last number previously dialed will be redialed from memory Redial is done in the same mode Tone or Pulse as originally dialed If you need to dial 9 or some other access number followed by a pause simple press the 9 and wait for the next dial tone Then press the R key to redial the number in memory PICTURE 2 Polarity Check Models HD 4 For the Model HD 4 please use the following procedure to check the line polarity Connect the BLACK test lead to TIP positive and connect the RED test lead to RING negative Switch to TLK to access the network Press the Pol key on the keypad If the GREEN LED lights up the polarity is correct if the RED LED lights up the line polarity is reversed Polarity Check NOTE All HD 4 testsets will operate regardless of line polarity Ringer The HD 4 testsets are equipped with an internal ringer to indicate incoming ring signals Connect the testset to a line The TLK RING MON switch should be in RING position in order to receive incoming ring signals Line Cord Connection The testsets are equipped with a standard 6 position mod
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