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4. HOW TO USE 

22

 

4.5.3 

Setting the LTC Input Signal and Output Alarm Indication 

● Setting the LTC input signals 

The setting applies to LTC1 to 3 input signals. 

Electronic switches are used to switch the signals. 

 

The factory default setting is “no input signal”. 

 

● Setting the Output Alarm Indication 

Turn the ALARM OUTPUT CHANNEL indicator on or off. 

 

The factory default setting is on. 

 

 

Figure 4-6  Setting the LTC Input Signal and Output Alarm Indication 

 

Table 4-3  Setting the LTC Input Signal and Output Alarm Indication 

Number 

Setting 

ON 

OFF 

SW1 

LTC input signals 

LTC1 to 3 

No input signal 

SW2 

Not used (*1) 

- 

- 

SW3 

Not used (*1) 

- 

- 

SW4 

Output alarm indication 

On 

Off 

 

*1    Unused switches can be set to on or off. 

 

Содержание LT 4448

Страница 1: ...LT 4448 CHANGEOVER Instruction Manual Thank you for purchasing Please carefully read this instruction manual and the included GENERAL SAFETY SUMMARY Please use the product safely...

Страница 2: ...7 2 3 5 Signal Switching 7 2 3 6 Fault Detection 8 2 3 7 Alarm Detection 9 2 3 8 Key Lock 9 2 3 9 External Control Connectors 10 2 3 10 General Specifications 11 3 PANEL DESCRIPTION 12 3 1 Front Pane...

Страница 3: ...4 Switching the Control 36 4 9 LT 4448 Indications 37 4 9 1 Fault Indication 37 4 9 2 Alarm Indications 38 5 REMOTE CONTROL 39 6 ETHERNET CONTROL 42 6 1 SNMP Configuration Software 42 6 1 1 Installati...

Страница 4: ...tand If you have any questions about the contents of this manual please contact your local LEADER agent Symbols and Terms The following symbols and terms are used in this instruction manual and on the...

Страница 5: ...f there is a possibility that the instrument has condensation within it wait for approximately 30 minutes before turning on the power Operating Humidity Range Use this instrument in an environment who...

Страница 6: ...erminal to protect the user and the instrument from electric shock Ensure that the product is properly grounded for safe operation Warnings Concerning the Panel Sections of the panel are made out of g...

Страница 7: ...h with mild detergent and wipe gently While cleaning make sure that foreign materials such as water and detergent do not enter the product If liquid or a metal object enters into the instrument fire o...

Страница 8: ...been manufactured under the strictest quality control guidelines LEADER shall not be obligated to furnish the following free services during the warranty period 1 Repair of malfunction or damages resu...

Страница 9: ...voltage Input Connector Maximum Allowable Input Voltage CHANNEL 1 and 2 PRIMARY BACKUP 5V CHANNEL 3 to 10 PRIMARY BACKUP 1 5V CHANNEL 11 PRIMARY BACKUP 0V 5V TTL LTC PRIMARY BACKUP 4Vp p 1 3 3 Mechan...

Страница 10: ...ngle LT4448 is equipped with 11 sets of BNC I O connectors and 3 sets of LTC I O connectors A single set consists of a primary input connector a backup input connector and an output connector Input Sw...

Страница 11: ...power up can be set to none or approximately 1 2 or 4 minutes depending on the rise time of the system signal source that the LT 4446 4447 is connected to SNMP Ready Error monitoring over an Ethernet...

Страница 12: ...EBU Digital Audio Signal AES3 SMPTE ST 276 LTC Signal SMPTE 12M 1 2 3 2 I O Connectors Primary Input Connectors Ch1 to 10 10 input connectors 75 BNC connectors Ch11 1 input connector TTL 75 BNC connec...

Страница 13: ...10 MHz Crosstalk 55 dB 0 to 10 MHz 45 dB 10 to 30 MHz Input Impedance 75 Output Impedance 75 Maximum Input Voltage 1 5V Ch11 Input Impedance Approx 4 k Output Impedance Approx 60 Maximum Input Voltage...

Страница 14: ...Ch11 Word clock Signal TTL LTC LTC Signal 2 3 5 Signal Switching Switching Method Ch1 and 2 Relays Ch3 to 11 LTC Electrical switches Switch Time of the Relay 1 Ch1 and 2 2 ms or less High speed Switch...

Страница 15: ...Level Sync Signal 337 to 476 mV 600 mV SD SDI signal 270 Mb s 450 to 635 mV 800 mV HD SDI signal 1 485 Gb s 450 to 635 mV 800 mV 3G SDI signal 2 97 Gb s 450 to 635 mV 800 mV AES EBU Digital Audio Sig...

Страница 16: ...n the shape of the waveform the detection level that you have set may not be reached 3 The recommended setting when the power is started simultaneously with the LT 4610 is about 2 minutes 2 3 7 Alarm...

Страница 17: ...rotocol SNMP SNMPv2c Remote monitoring alarm occurrence HTTP Control through a browser Supported browsers FireFox latest Google Chrome latest Microsoft Edge latest IE9 or later IE9 IE10 IE11 Connector...

Страница 18: ...rements Redundancy Supported Voltage 90 to 250 VAC Frequency 50 60 Hz Power Consumption 40W max Dimensions 426 W 44 H 400 D mm excluding protrusions Weight 4 0 kg excluding rack support Accessories Po...

Страница 19: ...ly when a fault is detected in the input signal The setting is shared among channels 1 to 11 and LTC Select SWITCH FAULT to switch the output signal automatically Select DISABLED to not switch the out...

Страница 20: ...UTPUT Transmits the signal that is received through PRIMARY or BACKUP 4 6 5 BACKUP Backup signal input connector 4 6 6 AC INPUT 1 AC INPUT 2 AC inlet Apply the cord stopper after inserting the power c...

Страница 21: ...me Description Reference 1 DIP switch cover Remove the four screws to access the DIP switches You can use the DIP switches to configure the LT 4448 An explanation of the DIP switch settings is printed...

Страница 22: ...he supplied rack supports Using a Phillips head screwdriver 2 torque the screws to 63 cN m Be sure to provide additional support for the body of the instrument If you only use the rack supports to mou...

Страница 23: ...pper is provided to prevent the power cord from being pulled free of the AC inlet To connect and disconnect the power cord follow the procedure below Connection 1 Insert the power cord 2 Lock the cord...

Страница 24: ...LOCAL and KEY LOCK ON and OFF LEDs light and the AUTO SWITCHING DISABLED LED blinks The LT 4448 does not function when it is in this state Figure 4 2 Standby mode Leaving Standby Mode The LT 4448 has...

Страница 25: ...To access the DIP switches first remove the DIP switch cover by unscrewing its four screws To avoid errors do not connect the signals until you have completed making all the settings The settings spe...

Страница 26: ...gnal CH 10 S8 All OFF No input signal CH 11 S12 All OFF No input signal LTC Input signal settings LTC S15 SW1 OFF No input signal SW2 and 3 OFF Output alarm indication settings OUTPUT ALARM SW4 ON On...

Страница 27: ...pen or a pair of tweezers to move switches between the ON and OFF positions When making settings be careful to not touch any components other than the DIP switches Figure 4 4 DIP switch ON and OFF pos...

Страница 28: ...FF X X X X X Ch1 to 8 HD tri level sync signal 720P 60 ON ON OFF ON OFF X X X Ch1 to 8 720P 59 94 ON ON OFF ON OFF X X X 720P 50 ON ON OFF ON OFF X X X 720P 30 ON ON OFF OFF ON X X X 720P 29 97 ON ON...

Страница 29: ...put signal Setting the Output Alarm Indication Turn the ALARM OUTPUT CHANNEL indicator on or off The factory default setting is on Figure 4 6 Setting the LTC Input Signal and Output Alarm Indication T...

Страница 30: ...fixed to 70 ms or less Fault detection on channels 1 and 2 and LTC is performed on the signal level If you select low speed fault detection is performed on the signal level If you set the input signa...

Страница 31: ...ess SW2 Ch4 1 5 H or less 60 ms or less SW3 Ch5 1 5 H or less 60 ms or less SW4 Ch6 1 5 H or less 60 ms or less Bottom row SW1 Ch7 1 5 H or less 60 ms or less SW2 Ch8 1 5 H or less 60 ms or less SW3 C...

Страница 32: ...settings Number Input Signal Fault Detection Level 1 Normal Level LOW HIGH SW1 NTSC black burst signal 180 to 227 mV 210 to 264 mV 286mV SW2 PAL black burst signal 190 to 238 mV 220 to 277 mV 300mV S...

Страница 33: ...0 mV User Setting Example Below is an example of a procedure to apply signals to channel 1 using user setting 1 1 Set DIP switches SW1 and SW3 of CH 1 S2 to ON 2 Restart the LT 4448 to apply the new s...

Страница 34: ...If AUTO SWITCHING is set to SWITCH FAULT even if you set the operation mode to OVERRIDE you cannot switch to the fault signal The factory default setting is NORMAL Leave this set to NORMAL under stan...

Страница 35: ...s Ch3 to 11 or the power supply the fault indicator transmits a high level signal and the positive and negative fault indicators conduct current The factory default setting is FAULT ALARM Figure 4 10...

Страница 36: ...PUT1 to 11 Figure 4 11 Ch1 to 11 Signal I O The types of signals that you can apply differ depending on the channel as shown below Table 4 10 Operation mode and standby time settings Input Channel Inp...

Страница 37: ...3 _O O 9 LTC3 _O O 22 LTC3 _B I 10 LTC3 _B I 23 GND 11 GND 24 GPI_P_O O 12 GPI_P I 25 GPI_B_O O 13 GPI_B I Time Code I O Apply the primary signal to LTC1 to 3 _P and LTC1 to 3 _P and the backup signal...

Страница 38: ...LT 4610SER01 installed and the system signal input P1 25 pin D sub Connect to the LTC connector on the rear panel Pin No Pin Name I O Pin No Pin Name I O 1 GND_P 14 LTC1 _P O 2 LTC1 _P O 15 LTC1 _O I...

Страница 39: ...rear panel of the backup signal source LT 4610 Pin No Pin Name I O Pin No Pin Name I O Pin No Pin Name I O 1 OPEN 6 OPEN 11 OPEN 2 LTC1 _B I 7 OPEN 12 GPI_B I 3 LTC2 _B I 8 LTC1 _B I 13 OPEN 4 LTC3 _B...

Страница 40: ...ont panel key operations turn the key lock off Hold down the KEY LOCK key for 3 seconds to turn the key lock on and off Figure 4 12 KEY LOCK 4 8 2 Switching the Output Signal The SYNC SOURCE area show...

Страница 41: ...ng channels 1 to 11 and LTC If you select SWITCH FAULT the LT 4448 will automatically switch to the other signal PRIMARY or BACKUP when a fault is detected in the output signal Normally use this setti...

Страница 42: ...to BACKUP Remains at BACKUP Remains at BACKUP Remains at BACKUP Fault on both Remains at PRIMARY Switches to BACKUP Remains at BACKUP Switches to PRIMARY DISABLED NORMAL Normal Remains at PRIMARY Swi...

Страница 43: ...settings are valid When REMOTE is lit the settings from the SNMP or HTTP server feature are valid Press the key to switch between LOCAL and REMOTE When switched from LOCAL to REMOTE the LT 4448 is se...

Страница 44: ...RIMARY or BACKUP channels For example if a fault is detected in PRIMARY channel 1 the LEDs light or blink as follows Figure 4 16 Fault indication 1 If a fault is detected in BACKUP channel 2 the LEDs...

Страница 45: ...tting the LTC Input Signal and Output Alarm Indication If an ALARM LED lights check that the output signal is connected properly and then press RESET If the LED does not turn off even after you press...

Страница 46: ...anel remote control connector to perform functions such as configuring the LT 4448 and transmitting fault information The remote control connector and its pin assignments are shown below Figure 5 1 Re...

Страница 47: ...DIP switch or setting from the SNMP or HTTP server is set to FAULT ALARM and an alarm is detected in any of the outputs Ch3 to 11 or the power supply 1 Even when the input signal returns to normal the...

Страница 48: ...Example 1 I Connect a switch to apply a low level signal Connect one side of the switch to the remote connector and the other side to ground 2 6 3 O Connect an LED so that it will light when a high l...

Страница 49: ...res are not supported 6 1 SNMP Configuration Software Before using the SNMP or HTTP server feature you must assign an IP address to the LT 4448 To do so you need to first install the SNMP configuratio...

Страница 50: ...ETHERNET CONTROL 43 2 When the following window appears click Next Figure 6 1 Installation 1 3 When the following window appears select the installation folder and click Next Figure 6 2 Installation...

Страница 51: ...window appears click Next Figure 6 3 Installation 3 5 When the following window appears the installation is complete Click Close When the installation is complete the MIB file LT4448 MIB txt is create...

Страница 52: ...6 ETHERNET CONTROL 45 6 1 2 Uninstallation To uninstall the software select lt4448 in Programs and Features of Control Panel and click Uninstall Figure 6 5 Uninstallation...

Страница 53: ...ure the LT 4448 network and SNMP settings 1 Connect the USB port on the LT 4448 front panel to the PC s USB port Use a USB cable A B 2 Start LT4448 Setup on the PC desktop 3 From Device select LT4448...

Страница 54: ...indow appears click OK Figure 6 7 Configuration complete 6 Restart the LT 4448 The network settings are applied after you restart the LT 4448 6 1 4 Window Explanations Figure 6 8 Window explanation Ab...

Страница 55: ...T 4448 firmware version SNMP Set the IP address and community name of the TRAP transmission destination If you set the IP address to 0 0 0 0 traps will not be transmitted The factory default setting i...

Страница 56: ...DE is always set to on but you need to configure the Ethernet settings IP address subnet mask gateway for this to work If you set the IP address to 0 0 0 0 SNMP will not work In addition SNMP traps wi...

Страница 57: ...to the network 4 Start an SNMP manager You must provide the SNMP manager yourself The factory default community names are shown below Read Community LDRUser Write Community LDRAdm Trap Community LDRUs...

Страница 58: ...48 OBJECT IDENTIFIER leader 39 notification OBJECT IDENTIFIER lt4448 0 trapContent OBJECT IDENTIFIER notification 1 error OBJECT IDENTIFIER trapContent 1 normal OBJECT IDENTIFIER trapContent 2 trapStr...

Страница 59: ...TAX ACCESS VALUE Description power2Status powerUnit2 1 INTEGER RO 2 Stop 3 Operation Table 6 4 status 1 ch1Status 4 group MIB OID SYNTAX ACCESS VALUE Description ch1InputStatus ch1Status 1 INTEGER RO...

Страница 60: ...tatus 1 ch6Status 9 group MIB OID SYNTAX ACCESS VALUE Description ch6InputStatus ch6Status 1 INTEGER RO 1 Normal 2 Error Primary 3 Error Backup 4 Error Primary Backup ch6OutputStatus ch6Status 2 INTEG...

Страница 61: ...1 INTEGER RO 1 Normal 2 Error Primary 3 Error Backup 4 Error Primary Backup ch10OutputStatus ch10Status 2 INTEGER RO 1 Normal 2 Error output Table 6 14 status 1 ch11Status 14 group MIB OID SYNTAX ACC...

Страница 62: ...1 Reset panelRemoteControl Panel 6 INTEGER R W 1 Local 2 Remote panelActiveMode Panel 7 INTEGER R W 1 Normal 2 Override panelWaitTime Panel 8 INTEGER R W 1 Approximately 1 minute 2 Approximately 2 min...

Страница 63: ...efine 2 8 SD SDI 9 HD SDI 10 3G SDI ch1FormatStatus2 ch1Format 2 INTEGER R W 1 Disable 2 High 60 59 94 50Hz 3 Low 30 29 97 25 24 23 98Hz ch1FormatStatus3 ch1Format 3 INTEGER R W 1 SLOW ch1FormatStatus...

Страница 64: ...tStatus3 ch3Format 3 INTEGER R W 1 SLOW 2 FAST ch3FormatStatus4 ch3Format 4 INTEGER R W 1 VREF LOW 2 VREF HIGH Table 6 21 format 4 ch4Format 4 group MIB OID SYNTAX ACCESS VALUE Description ch4FormatSt...

Страница 65: ...tStatus3 ch5Format 3 INTEGER R W 1 SLOW 2 FAST ch5FormatStatus4 ch5Format 4 INTEGER R W 1 VREF LOW 2 VREF HIGH Table 6 23 format 4 ch6Format 6 group MIB OID SYNTAX ACCESS VALUE Description ch6FormatSt...

Страница 66: ...Description ch8FormatStatus1 ch8Format 1 INTEGER R W 1 Disable 2 NTSC 3 PAL 4 720P 5 1080I P 6 User Define 1 7 User Define 2 ch8FormatStatus2 ch8Format 2 INTEGER R W 1 Disable 2 High 60 59 94 50Hz 3 L...

Страница 67: ...S VALUE Description Ch11FormatStatus1 ch11Format 1 INTEGER R W 1 Disable 6 User Define 1 7 User Define 2 8 Word Clock TTL ch11FormatStatus2 ch11Format 2 INTEGER R W 1 Disable ch11FormatStatus3 ch11For...

Страница 68: ...identification field index 3 OID leader 20111 lt4448 39 notification 0 trapStr 2 trapCounter 1 0 Syntax Counter32 Range 1 to 4294967295 Description The total number of enterprise traps sent after star...

Страница 69: ...nge 17 ch6StatusInput Detection of CH6 input status change 18 ch6StatusOutput Detection of CH6 output status change 19 ch7StatusInput Detection of CH7 input status change 20 ch7StatusOutput Detection...

Страница 70: ...th the following OSs are supported Windows Vista Windows 7 Windows 8 Windows 10 Supported Browsers The following browsers are supported FireFox latest Google Chrome latest Microsoft Edge latest IE9 or...

Страница 71: ...s take effect If you did not change these values in step 1 you do not need to restart the LT 4448 3 Connect the LT 4448 s Ethernet port to the network 4 Start the web browser on your PC The HTTP serve...

Страница 72: ...ng or control setting select the check box to the left of the item select the appropriate value from the drop down menu on the right and click SETTING 1 5 SNMP When you click GET the current SNMP mana...

Страница 73: ...LT 4448 2006 2 28 SJ T11364 2006 Hazardous Substances in each Part Parts Pb Hg Cd Cr PBB PBDE SJ T11363 2006 SJ T11363 2006 Ver 1 Following information is for Chinese RoHS only...

Страница 74: ...act Us Head office Sales Department Tel 81 45 541 2123 Fax 81 45 541 2823 Email sales leader co jp 2 6 33 Tsunashimahigashi Kohoku ku Yokohama shi Kanagawa 223 8505 Japan www leader co jp Apr 4 2018 V...

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