It is integrated the functions of automatic telephone, commanding attemper, PA, G/A and talk-back, etc.

The terminal equipments have more functions to make the communication more convenient. The system is specially made to keep safe and reliable operation under double backup configuration for main

  

FEATURES

Emergency paging with alarm interrupt

G/A, F/A  alarm

Loud-hailing 

SSB, VHF monitor speaker follow me

Automatic answer for paging

Area broadcasting

FM /AM receiver and CD,    MP3 player   

Audio programmers can be selected and received individually.

Direct dial incoming

Free programming of commanding groups,  loudspeaker groups  and user priority    

Different priority and operating level

Commanding call

Dial by signal key

Busy override

Conference calls

Talk back

Call  transfer

Automatic telephone

Timing wake up

Cellular adapter (optional) 

VHF wireless remote paging (optional)

TECHNICAL DATA

Digital coding:  A rule 2.048Mb/S PCM system

Ring voltage: 75±10V 25±3Hz sine wave

User feed voltage: 24V

Signal tone: 450±25Hz sine wave

Transfers attenuation:  ≤3dB

Crosstalk attenuation:≥68dB

Suitable telephones:  DP telephones (impulse speed 8~12PPS)

                                   DTMF telephones

Amplifier frequency response:  80-8000Hz

Non-linear distortion: ≤5%

Alarm signal:  600Hz, 7 short pulses followed by a long pulse.

Receiver freq. range: AM 535~1606KHz               FM 87~108MHz

Sensitivity: AM≤50μV    FM≤30μV

Exchange:    AC 220V±2A     50Hz±5%  

                    DC 24V±           10A

               

NUMBER

The telephone number can be programmed according to the user s requirement. In general, the number as follows,

200: commanding telephone 1  205: telephone on duty    0:shoreline    92: satelite telephone

201: commanding telephone 2 or telephone    202-320: other telephone   91: mobile net             80: paging   

INTERFACES SPECIFICATION

Wireless remote interface: wireless receiver is built into the exchange. It use one same antenna together with the radio receiver. And the freq. is 165.325MHz.(it can be  changed according to the requirements. ) Use VHF handle  transceiver  as the wireless remote station and the transceiver should be with DTMF function.

Cellular interface: SX4e cellular mobile station provide the interface to connect the exchange. The user can use any telephone connected to the exchange to communicate with the user in  the public mobile telephone network on the land through SX4e.

Audio input interface: connect the SSB, VHF radio station, then the watchman can use any  terminal  loudspeaker to monitor. And connect the entertainment equipment to this system, then the user can select different music to play through loudspeaker.

Alarm interface: connect  the RM-1B G/A system to the integrated communication system, and the loudspeaker will sound different tone to distinguish different alarm.  It can be used as extension of general alarm system. It can replace parts of bells.

Shoreline interface: the user in the vessel can use the telephones to communicate with the user of telephone net in the land through shoreline. 

TYPE INSTRUCTION

HJZ-XX G

XX    : capacity

G:  with G means wall type; without G means vertical type

EXCHANGE CAPACITY AND FEATURES

Model                                          HJZ-16~24         HJZ-32~64            HJZ-72~120

User terminals                            16-24 lines         32~64lines            72~120lines

Power amplifier(total)                  200W              300W                     400W

Rating voltage speaker output    4ways             4 ways                   4 ways

CD/Receiver/MP3                         1 way              1 way                    1 way

Audio input                                  1 way              1 way                    1 way

External line                                3  lines             3 lines                  4 lines

Marine Telephone Exchange equipment Exchange