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Summary of Contents for Aegis CZ20252
- Page 1 CZ20252 User Guide IP54 CZ20252-ART01-01...
- Page 2 AEGIS CZ20252 User Guide Thank you for purchasing the CZ20252 TEST PHONE. Before using the CZ20252 for the first time, please read the following instructions. Warning: CZ20252 Test Phone professional telecommunications tool, especially designed for checking telecommunications lines. It is not designed to be used on any...
- Page 3 CZ20252 User Guide Introduction The Aegis CZ20252 Test Phone comes with all the functions you need to complete your job in the fastest most cost effective manner. Waterproof and dustproof to IP54 and its robust construction ensures it will withstand the rough and tumble of everyday use in the field.
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Page 4: Physical Characteristics
AEGIS CZ20252 User Guide Physical Characteristics Fig.1 Physical Characteristics Speakerphone microphone Keypad Talk/Monitor/VDC switch Battery Compartment (9V battery) Fuse (in battery compartment) Speakerphone/Monitor amplified speaker Line cord strain relief Optional Belt Hook location (2 places) Handset receiver Increase volume button... - Page 5 AEGIS CZ20252 User Guide Fig.2 CZ20252 Keypad and Overlay Keypad control and indicators: : Button - Recall : Button - Tone/Pulse PPS/DTMF : Button - Mute MUTE : Button – VDC. Inspects the incoming ring voltage and tests the voltage of the line : LED –...
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Page 6: Operation
Test phone. Talk/Vdc/Monitor switch The CZ20252 has three basic modes of operation: Vdc, Talk, and Monitor modes. The CZ20252 should always be connected in the Vdc position initially to monitor for any high voltages. If high voltages are indicated do not commence testing. - Page 7 “Vdc” position; otherwise the fuse may be damaged. 2. An AC line voltage is converted into a DC voltage by the CZ20252 internal transformer. Telecom Line Continuity test To check for continuity on the telecommunication line, you can do...
- Page 8 The PPS/DTMF button toggles between pulse and tone dialling modes. Some older phone systems require pulse dialling whilst newer systems use tone dialling. Either mode is supported. When the CZ20252 is in tone dialling mode, pressing the PPS/DTMF button will switch it to pulse dialling mode.
- Page 9 M1 key can be stored using the same process as for storing speed dial numbers, just select the M1 key to store the number to. When connected and dial tone is available, the CZ20252 will dial the number when the M1 key is pressed.
- Page 10 If the LO BATT LED lights, the battery needs to be changed. A low battery can lead to malfunction and incorrect readings. Prolonging the CZ20252 battery life There is no complete power off mode with the CZ20252. To maximise the battery life in the CZ20252, ensure the following recommendations are adhere to: Function switch set to the Vdc position when storing.
- Page 11 If safe, test an alternate telecommunications line to identify the possible fault, referring to the trouble shooting list below. 3.If the CZ20252 still doesn't work after basic troubleshooting, please return the unit to an authorized service centre for investigation.
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Page 12: Replacing The Battery
Fig.3 Fuse and battery replacement Replacing the Battery If the CZ20252 fails to operate properly, or stops working, replace the battery and retest. A 9V alkaline battery must be installed for the test set to operate. Do not use rechargeable batteries. -
Page 13: Fuse Replacement
Maintenance Disconnect clips from any metallic connections before performing any maintenance. If the CZ20252 fails to operate properly, first replace the battery/fuse and retest before sending the test set in for repair. (see Battery Replacement and Fuse Replacement). To clean, wipe carefully with a damp cloth. Ensure product is completely dry before use. -
Page 14: Specification
AEGIS CZ20252 User Guide Specification ELECTRICAL 2 KΩ maximum at 48 Vdc Loop limit (nominal 20 mA minimum loop current) DC resistance 300Ω typical Talk Mode 39kΩ nominal at 1 KHz Monitor impedance Rotary dial output Pulse rate 10pps+0.8pps Percentage break 61%±2%... - Page 15 AEGIS CZ20252 User Guide www.aegis.net.au...
- Page 16 AEGIS CZ20252 User Guide Aegis Proprietary Limited www.aegis.net.au sales@aegis.net.au www.aegis.net.au...
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