MRC MCX-5000 Series User manual

MCX‐5000AUTO‐EXCHANGERSYSTEM

MARINE RADIO CO.,LTD.
주/선박무선 Subject : Auto Exchanger Page : (1 / 46)
Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
(QAS-ADD-008/1/10.10.13) manual\pabx\mcx-5000S\MCX-5000S_eng.doc (MARINE RADIO CO., LTD.)
MRC
DRAWING FOR APPROVAL
Messrs. ----------------------------------------------
(MCX-5000S Auto- Exchanger System)
Revision History
01 : Issued for first design : MCX-5000S
02 :
03 :
This document contains proprietary information and may not be copied, reproduced, or utilized in anyway, in all or in part without
written permission from Marine Radio Co., Ltd.
Copyright © 2010 Marine Radio Co., Ltd. All rights reserved.

MARINE RADIO CO.,LTD.
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Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
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MRC
Preface
Thank you for buying the MRC model MCX-5000 series Auto-Exchanger system.
To ensure that your equipment provides optimum satisfaction and service, please read this manual
carefully before attempting to operate the MCX-5000 Series.
We recommend that you store the manual carefully for future reference.
Important
On the Auto-Exchanger equipment, we use inboard communication at desired position and interface
satcom, mobil-phone, shore telephone system (in case of necessity). If we are not handled correctly,
could present danger to yourself or others property,
These warnings and notes are classified as described below.
Please be fully aware of the importance of these items when using this manual.
Cautions indicate items that, if ignored, may result in personal injury or physical damage.
Notes on using the MCX-5000 series
1. Do not dismantle the system. : Failure to observe these cautions may result in electric shock or
damage to the in-external equipment. Please contact to your authorized MRC dealer for maintenance,
inspections, and adjustments.
2. Regular check: Must be need a regular check of operator at least once a semiannually and maker or
guaranteed engineer for safety using of the system.
3. Observe the instruction in this manual for correct operation of the PA system.
4. To prevent moisture and foreign materials entering your system, do not place objects on your one.
5. Do not place objects that could obstruct the airflow through the cooling vents in front, on top,
or to the sides of the system.

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Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
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MRC
Contents --- Introduction ---
1. Introduction ............................................................................................................................................ 5
2. General Description ............................................................................................................................... 5
2.1 Central Exchange Features ............................................................................................................ 5
2.2 Electric & Environment Specification .............................................................................................. 5
3. Technical Data ....................................................................................................................................... 6
3.1 Capacity of the System ................................................................................................................... 6
3.2 Specifications of lines ..................................................................................................................... 6
3.3 Configuration of the System ......................................................................................................... 6
3.4 Assignment of Call Number (The number is changeable by request) ............................................ 6
3.5 Function............................................................................................................................................ 7
3.6 Receiving Dial Signal : DTMF(Dial Tone Multi-Frequency) ............................................................ 8
3.7 Audible Tone ................................................................................................................................. 8
3.8 Serial Interface Connections and Protocol to Master Clock/GPS .................................................. 8
--- Installation ---
1. General ................................................................................................................................................ 13
1.1 Planning ...................................................................................................................................... 13
1.2 Power ............................................................................................................................................ 13
1.3 Marking .......................................................................................................................................... 13
1.4 Fastening ...................................................................................................................................... 13
1.5 Preservation ................................................................................................................................. 13
1.6 Cable Requirements ..................................................................................................................... 13
1.7 Screen Connection ....................................................................................................................... 13
2. Connection with Peripheral Device ...................................................................................................... 14
2.1 Connection to ExternalAlarm Buzzer .............................................................................................14
2.2 Connection to Master Clock or GPS ..............................................................................................14
2.3 Connection to Public Address System ......................................................................................... 14
2.4 Connection of trunk lines (CO lines or Satcom) ........................................................................... 15
2.5 Connection of signal relay box for external bell ........................................................................... 15
2.6 Connection of auto-exchanger and each telephone (LC-212A/B, Desk/Wall type) ..................... 16
2.7 Connection of telephone for flush type telephone. (LC-215A/215AS/215AW) ............................. 16
2.8 Connection of telephone for external bell. (LC-213A~G1, LC-215C ) .......................................... 16
2.9 Connection diagram among I.S. barrier box (BB-922), telephones and peripheral devices ........ 17
2.10 Precautions as connection (etc) ................................................................................................. 18
3. Automatic Telephone Equipment Family ............................................................................................. 18
3.1 Automatic Telephone Specifications ............................................................................................. 18
3.2 Desk/Wall Type Telephone (LC-212A, 212B type) ....................................................................... 18
3.3 Wall Type Telephone(LC-213A∼G1) ........................................................................................... 19
3.4 Flush Type Telephone (LC-215A /C) ............................................................................................ 20
3.5 Portable Type Telephone (LC-217) ............................................................................................... 20
3.6 I.S. Type Telephone (LC-213K,L,M) ............................................................................................. 21
--- Operation Guide ---
1. Operation Guide ................................................................................................................................. 23
1.1 Extension to Extension Call .......................................................................................................... 23
1.2 Paging Call to P/A System ............................................................................................................ 23
1.3 Outgoing Call (External Call) ........................................................................................................ 23
1.4 Incoming Call from Shore's Call ................................................................................................... 24

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Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
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MRC
1.5 Call Transfer ................................................................................................................................. 24
1.6 Add-On Conference ...................................................................................................................... 25
1.7 Camp On ...................................................................................................................................... 25
1.8 Priority Call ................................................................................................................................... 25
1.9 Wakeup Call .............................................................................................................................. 26
1.10 Group Call (option) ..................................................................................................................... 26
1.11 Self Ring Test................................................................................................................................ 26
1.12 Warning Signal (Main Unit) ......................................................................................................... 26
1.13 Warning Tone (Handset) ............................................................................................................. 27
1.14 Precautions ................................................................................................................................. 27
--- Programming Guide --
1. Programming Guide ............................................................................................................................. 29
1.1 Program function .......................................................................................................................... 29
1.2 Description of key board panel ..................................................................................................... 29
1.3 Precaution for programming MCX-5000S .................................................................................... 29
1.4 Type of Function ........................................................................................................................... 30
1.5 Function of setting ........................................................................................................................ 30
--- Maintenance and Trouble Shooting --
1. Maintenance and Trouble Shooting ..................................................................................................... 37
1.1 Caution before Maintenance ........................................................................................................ 37
2. Explanation of Circuit ........................................................................................................................... 39
2.1 Configuration of System ............................................................................................................... 39
2.2 CPU Board ................................................................................................................................... 39
2.3 Dial Tone Board ............................................................................................................................ 40
2.4 Trunk Board.................................................................................................................................... 41
2.5 I/O Switch Board ........................................................................................................................... 41
2.6 Power Supply Circuit .................................................................................................................... 42
--- Shop Test Record --
1. Shop Test Record ................................................................................................................................ 44
1.2 Test Record of Auto-Exchanger System ....................................................................................... 44
1.2 Test Record ofAuto-Telephone .................................................................................................... 45

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Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
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MRC
1. Introduction
This manual is contained construction, function, operation, installation and maintenance of the
MCX - 5000 series auto-exchanger system.
The MCX - 5000 series auto-exchanger system has been designed reliable semi-conductor,
micro-computer control "DTMF" system. The system is carefully designed about ability of the drip- proof,
water-proof, impact-proof and corrosion-proof because of marine use for bad circumstance.
The system is designed from 24 lines to 128 lines by step 8 lines each.
The MCX – 5000S be tested and approved according to IEC 60945.
2. General Description
2.1 Central Exchange
Features;
-1. Extension to Extension Call
-2. External Call and 4 Lines Trunk(Satcom etc)
-3. Transfer for External Call
-4. Paging Call(P/A System, Group Paging)
-5. Add-On Conference
-6. Priority Call
-7. Restriction of External Call
-8. Camp-on
-9. Wake up Call
-10. Group Call
-11. Diagnosis using Self Number Test
-12. Simple Maintenance
-13. Easy Trouble Shooting by Simple display
-14. Variety Application
2.2 Electric & Environment Specification
1) Power Supply
a. Power Source : AC 100, 110, 115 / 200, 220, 230V, 1Ø, 50/60 Hz
b. Emergency Power :DC 24V (Ripple less than 5%)
c. Power Consumption : AC : less than 100VA
DC:lessthan4A(atDC24V)
d. Temperature : -20℃∼+45℃
e. Humidity : less than 90%

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MRC
3. Technical Data
3.1 Capacity of the System
a) Capacity of Subscribers and Trunk Lines
No. Model Capacity Etc
1 MCX-5000A Extension 36 + Trunk 4
2 MCX-5000B Extension 60 + Trunk 4
3 MCX-5000C Extension 84 + Trunk 4
4 MCX-5000D Extension 124 + Trunk 4
b) Simultaneous Call : 12 Call Lines
c) Add-On Conference : Max 6 Parts
d) Paging Call : 3 Lines
e) Group Call : 10 Group
3.2 Specifications of lines
a. Subscriber Line Impedance : 600
b.InsertionLoss : less than 6dB
c.CrossTalk : more than 60dB
d. Line Resistance : 200Ω
e.Insulation : more than 1M
3.3 Configuration of the System
a) Kind and Function of Board
No. Model Capacity Etc
1 Switching Regulator Power Supply
2 CPU Board Control of Full System
3 Dial Board Receive of Dial & Generate of Tone Signal
4 Trunk Board Extension & 4-Trunk Lines
5 I/O Board 8-Extension Lines per a Board
3.4 Assignment of Call Number (The number is changeable by request)
1 General Subscriber No. 20 ∼No. 99(less than 80-Line)
No.220 ～No.347(more than 80-Line)
2 Trunk Line No. 12, 13, 14, 15
3 Paging No. 0, 9, 8
4 Add-On Conference No. 16
5 Self Testing No. 19, Self Number
6 Priority Call ＊
7 Camp-on #
8 Wake up Call No.17(Once), No.18(repetition)
9 Group Call *1, *2, *3, *4, *5, *6

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MRC
3.5 Function
-1. Standard Function
a. Inter - Communication
b. External Call, Lines Trunk(Satcom etc)
Ex :12 ---------- Satcom
13 ---------- Trunk No.1
14 ---------- Trunk No.2
15 ---------- Etc
c. Paging Call to P/A System
Ex : 0 ----------- Paging Call
8 ----------- Group 1(Deck)
9 ----------- Group 2(Engine)
d. Call Transfer for Trunk Line
e. Add-On Conference(Max. 6 Parts)
f. Camp-On
g. Group Call
Max. 10 Group, Max. 10 Line Phone per 1 Group
h. Self Ring Test
i. Warning of Off Hook Alarm
j. Automatic Change to Emergency Power
k. Failure Warning and Display
-2. Options
a) Restriction of Call or Others
b) Priority Class (Option)
Priority Call can be assigned to five levels; "1, 2, 3, 4, 5". The highest level is 1, the second level is 2,
and the lowest level is 5. The same or lower level can be interrupted but the highest level cannot be
interrupted. Table of level for priority call
Level for priority Level Code Explanation Etc
1 90
No.1 is highest level for priority call
No.5 is lowest level for priority call.
Authorization for priority call.
1) Higher level -> Lower level : Interrupt OK
2) Lower level -> Higher level : Interrupt impossible.
3) Same level : Interrupt OK
* This function will be available after fully
set "priority call function" from front LCD panel
2 70
3 50
4 30
5 10
a. Restriction of Trunk calls(Ex : Satcom.)
b. Paging Call
c. Priority
d. Wake up Call [No.1(Once), No.2(repetition)]

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MRC
3.6 Receiving Dial Signal : DTMF(Dial Tone Multi-Frequency)
a) Configuration of Frequency
b) Configuration of Dial Signal
a. Frequency Distortion : less than ± 2%
b. Frequency Deviation : less than ± 1.5%
c. Signal Level : High : -9 ± 2dB
: Low : -10 ± 2dB
3.7 Audible Tone
3.8 Serial Interface Connections and Protocol to Master Clock/GPS
a. 1-Serial Input(NMEA-0183, IEC1162-1, RS-422/232/485 Compatible, $GPZDA)
b. Baud Rate Preset : 4800BPS
c. Data Bits : 8-bits
d. Parity : None
e. Stop Bit : 1
f. ZDA(Time and Date)
Year(UTC)
Local zone minutes description 00h
to±13h
Local zone minutes description,
same sign as local hours
$-- ZDA, hhmmss.ss, xx, xx, xxxx, xx, xx*hh <CR><LF>
Month(UTC), 01 to 12
Day(UTC), 01 to 31
UTC(Hour, Minute, Second)
HIGH
LOW 1209Hz 1336Hz 1477Hz
697Hz 1 2 3
770Hz 4 5 6
852Hz 7 8 9
941Hz ＊0 #
Tone Frequency Cadence Etc
Signal Tone 350 + 440 Hz Continuous
Ring Back Tone 440 + 480 Hz 1sec On/ 3sec Off
Busy Tone 480 + 620 Hz 0.5sec On/ 0.5sec Off
DND/No More Calls 480 + 620 Hz 0.25sec On/ 0.25sec Off
Error Tone 480 + 620 Hz 0.25sec On/ 0.25sec Off for 2sec
Confirmation Tone 350 + 440 Hz 0.05sec On/ 0.05sec Off for 2sec
Transfer/Conf. 350 + 440 Hz 0.1sec On/ 0.1sec Off

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MRC
INSTALLATION GUIDE
Messrs. ----------------------------------------------
(MCX-5000S Auto- Exchanger System)
Revision History
01 : Issued for first design : MCX-5000S(2010-10-05)
02 :
03 :
This document contains proprietary information and may not be copied, reproduced, or utilized in anyway, in all or in part without
written permission from Marine Radio Co., Ltd.
Copyright © 2010 Marine Radio Co., Ltd. All rights reserved.

MARINE RADIO CO.,LTD.
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Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
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MRC
1. Installation Guide
1.1 System Connection Diagram

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1.2 Frame Position

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1.3 Terminal Board

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2 General
1.1 Planning
The installation should be planned in details before commencing. The cables should be listed in a cable
plan, with number of pairs etc. The location of each unit in the communication system should be
planned to obtain maximum performance and user availability.
1.2 Power
The operating power is 220VAC 60Hz as primary, and 24VDC as backup. With automatic switching
between primary and secondary power source.
1.3 Marking
Each cable is to be marked with cable numbers.
Each conductor is to be marked with the specific termination numbers.
Please note that MRC uses plug-able screw terminals in all units.
1.4 Fastening
Where applicable, the cables and the conductors shall be clamped to the structure with cable ties.
1.5 Preservation
Prior to, during, and after installation the equipment must be handled with care. And protected against
acid holding fluids, pollution, moist, impacts etc.
This is in order to avoid damaged equipment, for which MRC will claim void warranty.
1.6 Cable Requirements
All cables used in the MCX system must be of approved ship cable type.
Requirements:
- Common outer screen
- Individually twisted pairs
- Recommended conductor size is 0.75 mm²
- All cabling in the MCX must be a separate network.
- Do not combine different systems in the same cable. This is to prevent disturbance and noise
caused by interference.
1.7 Screen Connection
In order to obtain maximum
performance after installation, it is
necessary to terminate the cables
ground the screens in a good
manner.
The cables are to de-isolated by
removing approximately 200
mm of the outer insulation.
Then the screen braid is cut off
approximately 30 mm longer than
the outer
isolation. The conductors are to be
de-isolated and ferruled before
they are inserted into the terminals.
The outer screen is clamped to the
cable fixing rails inside the cabinet.
Cable ties of a conductive type
(metal) are recommended for best
result. The cable outer screens are
to be terminated as shown. Conductive type of cable ties is
recommended to obtain best possible screen connections.

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2. Connection with Peripheral Device
2.1 Connection to External Alarm Buzzer
In the auto-exchanger, there are buzzer terminals as follow
-1. Be careful of that wrong connection of terminals(+, -).
2.2 Connection to Master Clock or GPS
For wakeup call or time identify inside PABX, the time synchronizing is needed to connect between
PABX and GPS or master clock interface as NMEA-0183 signal format.
2.3 Connection to Public Address System
In the auto-exchanger, there are 8 terminals as follow
-1. Line L1, L2 is voice signal output, A1(Dial 8) and COM operate paging of public address system.

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MRC
2.4 Connection of trunk lines(CO lines or Satcom)
The exchange has 4 trunk ports that can be connected to CO lines or to Satcom.
The connection of trunk ports can be done as follow :
when CO1, CO3 connect : Auto
CO2, CO4 connect : Manual
2.5 Connection of signal relay box for external bell.
Connect to the line wiring (B1, B2 connected to L1, L2 and power) as shown bellow.
2.6 Connection of auto-exchanger and each telephone (LC-212A/B, Desk/Wall type)
Telephone set individually connected to the line connect as shown bellow.
For the internal wiring (L1, L2) change, assign of telephone number is depended on the
number of I/O card. The card has 24-line per one.

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2.7 Connection of telephone for flush type telephone. (LC-215A/215AS/215AW)
-1. Only the connection is applicable to inserted signal relay box in telephone set.
-2. And the system can be connected peripheral bell or lamp if need.
-3. Connect to the wiring as shown bellow.(Power Source / Bell & Buzzer : DC24V only)
2.8 Connection of telephone for external bell. (LC-213A~G1,LC-215C )
-1. Only the connection is applicable to inserted signal relay box in telephone set.
-2. And the system can be connected peripheral bell or lamp if need.
-3. Connect to the wiring as shown bellow.(Power Source / Bell & Buzzer : AC or DC)

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2.9 Connection diagram among I.S. barrier box (BB-922), telephones and peripheral devices.
This telephone system is designed for intrinsically safe construction and proper ignition grade(IIC
T6) so that it can be communicated in hazardous area where gas can be exploded.
In order to be intrinsically safe, energy and energy storage must be constrained to “safe” levels in
hazardous area apparatus. Wiring inherently has capacitance formed by a dielectric material between
two conductors.
2.9.1 Wiring concept diagram
2.9.2 Detail connection wiring of the I.S. telephone
The A/T barrier box BB-922 is placed in a non-hazardous area up to one 300-meter from the phone,
limiting the energy levels going to the hazardous area to conform to intrinsically-safe requirements.
Where multiple I.S. telephone wires are routed together, shielded cable should be used. The use of
shielded cable prevents cross-talk from occurring between multiple I.S. telephone circuits. The shield
must be grounded to an I.S. ground and connected only at the barrier box.
Typical intrinsically-safe installation

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MRC
2.10 Precautions as connection (etc)
-1. You should be confirming power change switch (AC-110/220V) before power input.
(There is power change switch on side of power source unit in auto-exchanger.)
-2. Be careful of that wrong connection of DC-24V power (emergency power) terminals (+, -).
3. Automatic Telephone Equipment Family
3.1 Auto-Telephone Specifications
1) Classification of Telephones : The automatic telephone can be classified into various system in
accordance with application purpose, namely the desk, wall, flush and portable type.
No. T
y
pe Name
A
rea I.S. T
y
pe Etc
1 Desk LC-212
A
Office, Accommodation Room or All Cabin
2 Wall
LC-212B1 W/H, Mess Room etc(N.W/T)
LC-213A Mess Room(N.W/T)
LC-213B Galley, Mess Room(Gland : 1EA)
LC-213C Galley, Mess Room(Gland : 2EA)
LC-213E Fire Control Station(W/Sig Kit, Gland : 3EA)
LC-213F E/R, S/G Room(W/Sub Rx, Gland : 2EA)
LC-213F1 E/R, S/G Room(W/Sub Rx, Sig Kit, Gland : 3EA)
LC-213G E/R, S/G Room(W/Headset, Gland : 2EA)
LC-213G1 E/R, S/G Room(W/Headset, Sig Kit, Gland : 3EA)
LC-213K SGR, Hazardous Area(I.S. Type) I.S. Type
LC-213L Pump Rm, Hazardous Area(I.S. Type W/Headset) I.S. Type
3 Flush
LC-215A W/H(W/Dimmer Switch)
LC-215C Engine Control Room(W/Signal Kit)
LC-215AS W/H(W/Dimmer Switch & Speaker Phone)
LC-215AW W/H(W/Dimmer Switch & Water Tight)
4 Portable LC-217 Bunker Station, Upper Deck P/S
LC-213M Pump Room, Hazardous Area(I.S. Type) I.S. Type
2) Electric Specifications
3.2 Desk/Wall Type Telephone (LC-212A,212B type)
This telephone, being of non water-proof structure, has the hand-set with a built-in circuit network,
tone-ringer and push-button dial in a housing made of ABS resin.
This telephone is also provided with various function buttons includes hold( ♪), redial(R/P), flash(a).
This desk/wall type telephone has a fastener and bracket to prevent the hand set from dropping from the
cradle when the ship is subjected to pitching and rolling. The terminal box may be connected to the non
water-proof terminal box(JB-61,62) For user wall type telephone(LC-212B), take off the base, mount it on
the wall with screws, and put the telephone onto the base.
Operation Voltage : DC 15V(Standard)
Power Consumption) : App. 0.2W, 30mA, DC-6V(Standard)
Speech Amplification Gain : App. 25dB
Side-Tone Amplification Gain : App. -15dB
DTMF Gain : App. 5dB
Oscillator Frequency : 3.579545MHz(Crystal)
Operating Temperature Range : -10 ∼+40
Operating Humidity : less than 90%

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Date : 2010.10.13 Doc. : MCX-5000S_ENG_R1
(QAS-ADD-008/1/10.10.13) manual\pabx\mcx-5000S\MCX-5000S_eng.doc (MARINE RADIO CO., LTD.)
MRC
① flash Button(a) : If you have wrong number during link to subscriber, retrying push the on-hook
button.
② Redial Button(R/P) : It could be automatic dialing to subscriber number in the latest time.
③Call Signal Lamp :
-1. You can see blinking the phone signal lamp, when you got the calling.(Neon Lamp)
-2. The lamp is on in using time.(Red LED)
④Magnetic Holder for handset
⑤Bracket for wall type telephone(LC-212B1)
3.3 Wall Type Telephone(LC-213A∼G1)
This telephone set has a drip-proof type housing case(accommodates circuit network, push-button dials,
neon lamp, signal relay circuit(LC-213F1/G1 for external alarm) headset connector, sub receiver) a handset.
To use the wall telephone with headset(LC-213G/G1) or sub-receiver(LC-213F/F1) in a noisy place, plug-in
the headset to the telephone.