VictelGlobal AK-861-4T Service Manual Download Page 27

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Service Manual

Blocking 84dB

Inter-modulation

70dB

Spurious Response Rejection

70dB

Conducted Spurious Emission

-57dBm

Transmitter

Frequency Stability

±0.1 ppm

RF Output Power

50W/5W

Maximum Output Power Tolerance

±1.5dB

（

Normal

）

/+2/-3dB

（

Extreme

）

Adjacent Channel Power

[email protected]/

-75dB@25KHz

Conducted/Radiated Interference

（

Antenna, transmit mode

）

9kHz~1GHz

≤

-36dBm

1GHz~12.75GHz

≤

-30dBm

Conducted/Radiated Interference

（

Antenna, standby mode

）

30MHz~1GHz

≤

-36dBm

1GHz~12.75GHz

≤

-30dBm

Inter-modulation attenuation

≤

[email protected]

≤

-70dB@25KHz

Transient Switch ACPR

±12.5kHz

≤

-50dB

±25kHz

≤

-60dB

Summary of Contents for AK-861-4T

Page 1: ......

Page 2: ...s manual we sought for accuracy and completeness of its contents Should there be any errors or omissions we will not bear any responsibility Due to continuous development of technology we reserve the...

Page 3: ...victel com cn Before Transmitting When operating a base station it is important for the user to be fully aware of the hazards brought by RF radiation and able to take corresponding measures to meet t...

Page 4: ...Basic Operations 10 Installation Module Inspection 10 Connecting the Feeder and Antenna 10 Power on off 11 Connecting to the PC 18 Installation of the Satellite Module 20 Multi channel Connection 21...

Page 5: ...re are six dip switches which is switched to ON upward indicates which audio channel will be used Settings of dip switch of base stations are similar to those of the network management terminal see P2...

Page 6: ...odule on the left power amplifier module in the upper middle TX RX module in the lower middle and the duplexer module on the right 1 Power supply port connect to 120V AC power supply 2 Power switch LE...

Page 7: ...output 45 50W 6 IP port used for IP networking It applies the international standard line sequence 7 TX RX module port input port of receiving signals 8 ANT port antenna interface 9 Low end of the dup...

Page 8: ...g to your actual needs 6 Equipped with the 120V power module and battery port preventing communication shut down because of power off 7 LCD screen for displaying information such as transmit and recei...

Page 9: ...Frequency 0 Channel Frequency Step Value Slot1 Communication status of Time Slot 1 In conversation it shows highlight green In idle state it is in gray Slot2 Communication statues of Time Slot 2 In c...

Page 10: ...nual 9 The block at the top right of the scale is the TX power indicator When the base station is not transmitting the LED block indicator is in dark purple when it is transmitting the LED lights up s...

Page 11: ...he module into the base station in a parallel manner Tighten the screws on both sides of the module Note There is no screw on both sides of the duplexer module be sure not to let the back of base stat...

Page 12: ...at connections Take care to the matchness of the ports or it may cause damages to the ports See the completion of the connection in Fig 3 only for the case when the TX frequency is higher than the RX...

Page 13: ...a dry environment free of dust Menu Item Operation Switch Mode Press the button move cursor to Switch Mode item You can adjust operating modes according to three different combination Trunk Convt Dig...

Page 14: ...l Digital Convt PDT DMR Conventional Digital Convt DMR Analog Trunking Analog Trunk Invalid PDT Conventional Digital Trunk PDT DMR Conventional Digital Convt DMR Note Base stations that are under pseu...

Page 15: ...ioning 1 The control channel of the base station is registered 2 Radio s ID is registered in the base station 3 Group call is registered or opened in the base station 4 Color code and systematic code...

Page 16: ...If you need to adjust please change the Way to PC Put the cursor at the frequency frame behind TX Freq and press the knob Start from the highest digit and change the number by rotating the knob Once f...

Page 17: ...et up Factory default value of RSSI is 115 Listen RX Audio Press the knob to enter Listen RX Audio Under analog mode you can listen to the conversation in the current channel by turning on the Listen...

Page 18: ...00 FFFF Set CTCSS Press the knob and enter Set CTCSS TX and RX can be changed If you choose Forbid CTCSS will not be valid By rotating the knob Standard CTCSS is selectable for encryption and anti int...

Page 19: ...the equipment please use the software t o read and reset Here is the illustration of the programming cable It consists of two cables pay attention to different interfaces and a programming panel After...

Page 20: ...g 1 Connect the other end of the programming cable to the USB port of your computer Install the software driver and you can read and set information of the base station Note For detailed operation gui...

Page 21: ...it into the base station see Fig 1 Attach the satellite antenna and put the magnetic block at an outdoor place where it can be exposed to daylight Note 1 In general the satellite module is installed...

Page 22: ...her The bus slot Fig 1 has two rows which respectively connect to the upper and lower transceivers Base station controller is generally used in multi channel connection Dip Switch Channel Number Setti...

Page 23: ...nnel No Base station 1 1 0 Base station 2 2 2 Base station 3 3 4 Note 1 Dip switches are in pairs upper and lower both need to be switched to ON 2 Channel number should be even number wrong settings m...

Page 24: ...Fig 2 to the port of switch with a standard network cable Set the IP of the local base station and register the IPs of base stations of the network As shown in the diagram in Base station1 you need t...

Page 25: ...minimum power is set at 5W while the base station can only operate at 5W currently the alarm is shown as pow 30W 3 High Temperature Alarm When the working temperature of base station is higher than th...

Page 26: ...SK FM Successive Data Speed per carrier 9 6kbps Carrier Frequency Error 100Hz Operating Humidity 20 80 Storage Humidity 80 Operating Temperature 30 60 Storage Temperature 40 85 Receiver Sensitivity 5...

Page 27: ...Maximum Output Power Tolerance 1 5dB Normal 2 3dB Extreme Adjacent Channel Power 65dB 12 5KHz 75dB 25KHz Conducted Radiated Interference Antenna transmit mode 9kHz 1GHz 36dBm 1GHz 12 75GHz 30dBm Condu...

Page 28: ...s are corresponding Reset them if necessary 2 Under strong interference Find out and move away from the interference source Ensure the desired signal is 12 dBm over the background noise 3 The radio ma...

Page 29: ...rcuit materials Do not immerse the base station into corrosive agent solution or water Cleaning De dust components of the base station regularly with clean and dry lint free cloth or brush in order to...

Page 30: ...ion s antenna HAAT and required service area and will be authorized in accordance with table 2 Operational Instructions and Training Guidelines To ensure optimal performance and compliance with the oc...

Page 31: ...Service Manual 30...

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