1.1 Extension Telephone 2. INSTALLATION & …

1 crystal GUARD ( )11. INTRODUCTION: crystal Guard EPAX system has been specificallydeveloped to meet the requirement of group housingsocieties with latest state-of-the-art features like Panicalarm on single pair intercom cable, Cable cut alarm, 12party conferencing, Caller ID on Extension , Vendor arrivalannouncement and many more which are totallyun-matchable by any other system. The crystal Guardsystem can be configured from 16 lines to maximum of256 lines as desired. The Guard system is available infour models viz. 32 lines, 64 lines, 128 lines and guide will help you find and learn the user codes, sothat you can use your crystal EPAX system exactlythe way you want it.

2 Take a little time to read through itand try out some of the codes on your Extension TelephoneStandard electronic push button instruments should beused on the crystal EPAX INSTALLATION & RequirementsInstallation should be done by authorized & trainedpersonnel GUARD ( ) Site RequirementsCRYSTAL is designed to work in a normal unit should be placed away from1 Processes producing electricity, fumes,dust, gasses or radiation ( silicon orhalon contamination from photo copying orfire protection equipment)2 Electrical meters or switchgears3 Water pipe, gas meters, pipes or GeneralEnsure a good power point for the exchange with a 5 pinsocket & switch.

3 If possible, the customer should beasked to provide a clean power supply direct from thepower distribution board. crystal is set to work at220 VAC, 50Hz mains :ANTI-STATIC PRECAUTIONS MUST BE TAKEN WHENWORKING WITH THE CARDS OR COMPONENTS OFCRYSTAL :Never insert or pull cards or any cable from the equipmentwith the power on under any GUARD ( ) Commissioning ChecksPower-up crystal system and carry out the followingchecks:On each Extension check:1 System dial tone2 Dialing3 RingingThe exchange once installed and put intooperation needs little routine maintenance.

4 Anyextension fault can be isolated at the MDF, andexchange faults can be isolated at the card cards can be replaced with service cards whilethey are repaired at authorised maintenance center tominimize system down :Damage caused on crystal systems due to highvoltages is not covered under NUMBERING SCHEME:The default Extension numbers are in 4 - digits and startfrom 2001 up to HOOK FLASHYou shall have to use the Hook-Flash , prior to dialingany facility code. Hook flash (HF) is a gentle/ slow tap ofthe cradle switch. After HF, you shall get a slowacceptance GUARD ( ) The Thumb - Rule for using Hook FlashWhenever dialing any extn.

5 Number or code from - dialtone/call forward dial tone/engaged tone, dial straightaway .For dialing extn. number or facility code from ringback tone / conversation mode, first HF and then dial therequired completion of any call replace your handset forminimum 1 sec for disconnection before going offhook for the second your instrument is provided with a flash key, enquirethe timing of key from your system manager / it is below 300 milliseconds, do not use this key (itshall be ignored by the system). You may use thecradle switch for HF. If the timing is between 300-600msec, you may use this flash key for while transferring a call, you press any wrong code /extn.

6 No. do not panic. You can HF anytime. You shall getbeep tone again .Now you can transfer the call to MAKING CALLS:When you pick-up your phone, you will hear internal dialtone, then+Dial the desired Extension number intone GUARD ( )56. CALL PICK - Specific Call pick-upIf any other Extension is ringing , to answer it from yournon - ringing phone,+++++Dial * 76 + XXXXW here XXXX = Extension Number of theringing :Alarm call ringing on a particular extn. cannot be pickedby any other Common Call Pick-upYou can make nine call pick-up groups. An extn. canpick-up any ringing extn.

7 In his same group by dialing+ + + + + * 777. AUTO CALL BACK:If the Extension you are trying is busy so that youcannot get through it, you do not have to keep trying itagain and again. By using this feature you can programthe busy Extension to ring back automatically as soon asit becomes free. If you dial any Extension number andget busy tone,To request a ring back,+++++Dial 75 Hang - the Extension becomes free , both your phone andthe one on which you had programmed auto call backfeature will start ringing. When that Extension answers,you will be GUARD ( )68.

8 CLI FEATURE:If you install a CLI Telephone on any Extension , you canavail this facility. The calling Extension number shall bedisplayed on your default, this feature is enabled on all extensions9. DO NOT DISTURB:If you are busy with some important work and do notwant to be disturbed, you can enable this feature on yourextension. Now, if any other Extension calls yourextension, he will get music Enable this feature,+++++Dial * 72 + XXXXW here XXXX = Self Extension NumberTo Cancel this feature,+++++Dial * :A broken dial tone is always heard on the Extension withthis feature BARGE - IN:If any important or priority message is to be passed onto an Extn which is busy, you can break into pass on any message,+++++Dial Desired Extn.

9 Getting busy tone, crystal GUARD ( )7+++++Dial will be immediately connected to the busy extensionand all the three extensions will get short beeps as longas the barge - in process :Barge - in shall not work if the busy Extn. is in dialing /ringing MONITOR:With this facility you can monitor the conversation of twoextensions without any indication (short beeps) to thebusy Monitor,+++++Dial Extension getting busy tone,+++++Dial can now monitor the conversation between the CONFERENCING:When an Extension is busy with some other Extension ,to bring third Extension into conference,+++++H/F & Dial the third Extension number.

10 When the third Extension answers, crystal GUARD ( )8+++++H/F & Dial *0If more than one extensions are to be involved in theconference, go on adding those extensions by H/F anddialing the desired Extension numbersWhen all the desired extensions have been added,announce conference and,+++++H/F & Dial * conference call involving all the extensions adding more extensions for conferencing, thealready added extensions continue to get music till theconferencing feature has been activated13. CALL FORWARD:If you are going to be near another Extension phone ratherthan your own, or if you wish to divert all calls made toyou to some other Extension , then you can set your phoneso that anyone dialing you will be put through to the call forward dial tone (broken dial tone) is always heardon the phone, which has been diverted.