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IRT Electronics AMS-4170, Instruction Book

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IRT Electronics AMS-4170 Instruction Book Download Page 14

4170-ams.ib.rev0.doc 

Page 14 of 14 

09/09/2005 

Drawing Index

 

 
 
Drawing # 

Sheet # 

Description 

 
805036 

1 

AMS-4170 main circuit schematic. 

805036 

2 

AMS-4170 power supply schematic. 

805036 

3 

AMS-4170 SNMP interface. 

 

IRT 

Communications 

www.irtcommunications.com

Summary of Contents for AMS-4170

Page 1: ...in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone 02 9439 3744 Fax 02 9439 7439 International 61 2 9439 3744 61 2 9439 7439 Email sales irtelectronics com Web www irtelectronics com I R T C o m m u n i c a t i o n s w w w i r t c o m m u n i c a t i o n s c o m ...

Page 2: ...pplies to units later than S N 0504001 Operational Safety WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions dangerous potentials may exist in some circuits when power controls are in the OFF position Maintenance personnel should observe all safety regulations Do not make any adjustments inside ...

Page 3: ...r direct operation of the relay if desired Links allow any of the three driver circuits to operate more than one of the sets of relays Front panel LED indicators are used to indicate the status of each relay circuit The AMS 4170T version also consists of front panel switches to allow a choice of local or remote control operation Unless otherwise stated all aspects of the AMS 4170T in this manual a...

Page 4: ... sockets Control 4 pin plug in screw termination socket Other Relay contact rating 24 Vdc 1 A 100 Vac 0 3 A Power requirements 28 Vac CT 14 0 14 or 16 Vdc Power consumption 1 VA Temperature range 0 50 C ambient Mechanical Suitable for mounting in IRT 19 rack chassis with input output and power connections on the rear panel Finish Front panel Grey background black lettering red IRT logo Rear assemb...

Page 5: ...l signal for video and separate control signal for stereo audio 2 Connect LK 9 10 3 Control for video is via SK 5 pin 1 4 Control for stereo audio is via either SK 5 pin 2 or SK 5 pin 3 Input termination No terminations are provided on the module so that the switcher can function in changeover mode For 2 x 1 switcher applications the following terminations should be installed Video Output A only i...

Page 6: ...rol 4 Gnd Note O C Open Circuit AMS 4170T The AMS 4170T version has two front panel switches a local remote switch and an activate de activate switch With the local remote switch set to remote the AMS 4170T behaves and is controlled exactly the same as the standard AMS 4170 as described above With the local remote switch set to local control connection via SK 5 on the rear assembly is bypassed Con...

Page 7: ...e with SNMP The agent therefore acts as an interface between the NMS and the managed devices The NMS sends a request message and control commands for the managed devices to the agent which in turn sends a response message containing information about the managed devices back to the NMS A managed device contains an SNMP agent and resides on a managed network Managed devices collect and store manage...

Page 8: ... a program relevant to the module that it is plugged into Depending on the module besides the module identification parameters such as alarm states inputs and controls etc are communicated to the CDM 4000 agent via a data bus on the rear of the frame Thus the CDM 4000 collects information on what is loaded within the frame what positions they occupy and their current status for communication to th...

Page 9: ...ch state The current state of the Right Audio switch state The current state of the front panel switches relevant to AMS 4170T only Note SNMP control is disabled if the local remote switch is set to local A change of state to the Video switch when changeover initiated by the Video TTL control circuitry A change of state to the Left Audio switch when changeover initiated by the Left Audio TTL contr...

Page 10: ...dio connections Audio signal connections are made to plug in balanced screw terminating connectors No termination of inputs is provided on the module When switched to the output the input load impedance is that of the load connected to the output Control connections Control connections are via SK 5 plug in screw terminating connector located on the rear assembly Connecting the appropriate control ...

Page 11: ...ckets on the main PCB module Align all pins and then gently press the SMU 4000 all the way down into place If the SMU 4000 is not already programmed with the correct firmware to match the module that it is being plugged into it then needs to be programmed via the pins on the topside of the SMU 4000 Note that installation will generally be done by IRT Electronics at the time of ordering Note also t...

Page 12: ...positions of connectors indicators and controls only P4 P3 AMS 4170 OUT B OUT A IN A IN B CONTROL 1 2 3 4 G G G G G G G G OUT B IN B OUT A IN A LEFT AUDIO RIGHT AUDIO CHANGEOVER DC AMS 4170 N140 VIDEO AUDIO 1 AUDIO 2 CHANGEOVER DC AMS 4170T N140 LOCAL VIDEO AUDIO 1 AUDIO 2 DE ACTIVATE ACTIVATE REMOTE LOCAL I R T C o m m u n i c a t i o n s w w w i r t c o m m u n i c a t i o n s c o m ...

Page 13: ...ainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If possible confirm this by substitution Before returning equipment contact should be made with IRT or your local agent to determine whether the equipment can be serviced in the field or should be returned for repair The equipment should ...

Page 14: ...9 2005 Drawing Index Drawing Sheet Description 805036 1 AMS 4170 main circuit schematic 805036 2 AMS 4170 power supply schematic 805036 3 AMS 4170 SNMP interface I R T C o m m u n i c a t i o n s w w w i r t c o m m u n i c a t i o n s c o m ...

Page 15: ... 5V 2 1 R7 3K0 2 1 R8 1K 2 1 R6 4K7 2 1 R9 3K0 1 2 C6 100nF 2 1 LK4 2 1 LK5 3 2 1 Q4 BSS123 3 2 1 Q5 BSS123 3 2 1 Q6 BSS123 1 3 2 D6 BAS16 5V 5V 2 1 R12 3K0 2 1 R13 1K 2 1 R11 4K7 2 1 R14 3K0 1 2 C7 100nF 2 1 LK6 2 1 LK7 3 2 1 Q7 BSS123 3 2 1 Q8 BSS123 3 2 1 Q9 BSS123 1 3 2 D7 BAS16 1 3 2 D9 BAS16 1 3 2 D10 BAS16 De activate Activate Local Remote AMS 4170T option AMS 4170T option provides front pa...

Page 16: ... 1 AC 2 AC 3 AC 4 12V 5V 5V 12V 1 2 C2 1uF I 1 O 3 C 2 C 4 U1 7812 1 2 C3 1uF 1 2 C4 10uF 1 2 C1 470uF 2 1 LD4 GRN I 3 G 2 O 1 U2 78L05 1 2 C8 10uF 1 2 C9 10uF 2 1 D1 1N4004 2 1 D2 1N4004 2 1 D3 1N4004 2 1 D4 1N4004 1 3 2 FL1 DSS306 1 3 2 FL2 DSS306 1 3 2 FL3 DSS306 1 3 2 FL4 DSS306 1 2 03 2005 Power Supply RBB 2 1 R19 560R 1 2 F1 4R7 1 2 F2 4R7 1 2 F3 4R7 1 2 F4 4R7 I R T C o m m u n i c a t i o ...

Page 17: ...JOR ALARM SNMP interface D10 WILL PULL ALARM LOW ON POWER LOSS THROUGH 5V PULL UP IN NETWORK CARD IN FRAME 5V 1 2 3 4 5 6 7 8 10 9 1J2 1 2 3 4 5 6 7 8 10 9 1J1 SMU 4000 ASSEMBLY 804857 SNMP CPU Sub Module K N 1 2 03 2005 VIDEO TALLY PTB0 PTA0 R AUDIO PTB1 PTB3 PTB2 PTB5 L AUDIO TALLY L AUDIO VIDEO R AUDIO TALLY PTB4 PTA3 PTA2 PTA1 PTA4 PTA5 PTA6 PTA7 PTB7 PTB6 PAD4 REM LOC LOC ACTIVE nLOCAL ACTIVE...

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