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Audio Alignment Procedure

Audio alignment

is done in two steps. First the Rx path is aligned, then the Tx path. The IP-223 has front panel alignment

features for both Rx and Tx. Using the front panel buttons on the IP-223, press and hold the

LINE

button, then press the

button.

While continuing to hold the LINE, repeated presses of the IC button steps through several features, including the alignment
features.

LINE/IC first press:

IP and Subnet mask addresses.

LINE/IC second press:

Tx Alignment tone

LINE/IC third press:

Receive audio signal levels are measured at the DSP level.

LINE/IC fourth press:

Resets screen to normal mode.

General Gain Setup Window

The

General Gain Setup

window is used to set receive and transmit levels for the line.

Set the audio Rx level to

0db

and the Tx audio level to

-22.5dB

for the line. See Figure 16.

Receive Audio Alignment

Enter the

Receive alignment

mode on the IP-223 by pressing and holding the

LINE

button, then successively pressing and

releasing the

button three (3) times. The TDI must be connected to a live PSTN phone line and then taken offhook. This

can be done with C-Soft, or any IP-based Telex Console.

The following steps outline the TDI Rx alignment procedure:

Step 1

From the console, take the telco line offhook. A dial tone should be present.

Step 2

From the front panel Rx control, adjust the dial tone levels to -12dB.

Step 3

Place the telco line back onhook.

FIGURE 16.

General Gain Setup Window

Содержание TDI

Страница 1: ...TDI Telephone Dispatch Interface Technical Manual Version 2 000 LIT000164000 Rev D 09 2009 ...

Страница 2: ...e applicable FCC Part 68 rules and requirements adopted by the ACTA A compliant telephone cord and modular plug is provided with this product It is designed to be connected to a compatible modular jack that is also compliant See Supervisory Indications on page 8 for details The REN Ringer Equivalence Number is used to determine the number of devices that may be connected to a telephone line Excess...

Страница 3: ...TIONS 11 INSTALLATION 13 IP 223 Web Page Configuration 13 MULTICAST ADDRESS SETUP PAGE 13 PER LINE SETUP WINDOW DEFINITIONS 14 Heading 14 Ring Setup 15 Serial Port Mode 15 Delay Setup 16 LAM Setup 16 Options 16 AUDIO LEVEL SETUP 17 SAVE TO EEPROM PAGE 18 C Soft Setup 18 SETUP IP MULTICAST LIST 18 SET GLOBAL PARAMETERS 19 C SOFT PHONE CONTROL BUTTONS 19 Audio Alignment Procedure 20 GENERAL GAIN SET...

Страница 4: ......

Страница 5: ...erial Port Mode Section 15 FIGURE 8 Per Line Setup Delay Setup Section 16 FIGURE 9 Per Line Setup LAM Setup Section 16 FIGURE 10 Per Line Setup Auto Answer Setup Section 16 FIGURE 11 General Gain Setup Window Line Gain Setup Section 17 FIGURE 12 Save to EEPROM Page 18 FIGURE 13 Setup IP Multicast List Phone Mode Configuration 18 FIGURE 14 Set Global Parameters Phone Ring Multicast and Port 19 FIGU...

Страница 6: ......

Страница 7: ...lex IP based console i e C Soft C 6200 IP 1616 or IP 2002 allowing telephone calls to be placed or received at the dispatch position Advanced circuitry and DSP Digital Signaling Processing software algorithms learn each side of a telephone conversation and react to changing telephone line impedances resulting in minimal adjustments and clear communications NOTE TDI configuration is only available ...

Страница 8: ... for any reason i e power up or Watchdog timeout the RING and OFFHOOK LEDs alternately flash for five 5 seconds During this time the DSP circuitry and algorithms are initialized Telephone line access is disabled during this time Telephone Line Monitor The TDI continuously monitors the telephone line for faults i e line open or short When a fault on the line is detected the RING and OFFHOOK LEDs fl...

Страница 9: ...s the positive terminal There is an additional ground lug for chassis ground connections 2 IP 223 A Hi Density DB15 connector provides all of the required connections between the TDI and the IP 223 FIGURE 3 TDI Rear Connections Pin Description 1 RX 2 3 HOOK 4 DTRa a Pins not used at this time 5 GND 6 TX 7 RX 8 LLM 9 PROGENa 10 TXD 11 TX 12 GND 13 RING 14 RTSa 15 RXD ...

Страница 10: ... jumpers or adjustments in the TDI enclosure IP 223 Setup Jumper Settings Pin Description 1 2 3 RING 4 TIP 5 6 Jumper Position Jumper Function B Balanced 600 Ohm Line 1 J3 J9 J11 J16 J21 Line 2 J25 J28 J29 J19 J20 A 600 Ohm Rx Termination Line 1 J14 Line 2 J24 A DIGI I O Pull Up Resistors 5V Line 1 J8 Line 2 J30 B 4 Wire Interface Line 1 J33 J34 Line 2 J5 J6 A Line 1 J35 Line 2 J26 RS232 Serial Da...

Страница 11: ... TDI enclosure 2 Plug the male DB 25 labeled To IP 223 into the Radio 1 or Radio 2 connector as determined by the installation requirements 3 Plug the male DB 9 connector labeled To IP 223 into the SERIAL port on the rear of the IP 223 or into the serial port splitter Telex P N 30195300 as determined by the installation NOTE Serial splitter cable is required when attaching two serially controlled ...

Страница 12: ...12 ...

Страница 13: ...er selected ring cadence and TDI gain options are only available in TDI firmware version 2 000 and IP 223 firmware version 4 300 or later Each line has a drop down menu that allows selection of the Phone Mode The Multicast Address and port numbers are configured just as any other mode In Phone Mode the Multicast Address is not required as the console connects via TCP IP Make sure the Rx and Tx por...

Страница 14: ... general setup for Phone Mode operation The Serial Port Mode relays timeouts audio levels and various delays are setup here Other options apply to special applications Contact RadioDispatchtechsupport us bosch com for additional information Heading Figure 5 shows the Per Line Setup window heading Click Line 1 or Line 2 to select the IP 223 control line FIGURE 4 Multicast Setup Page Phone Mode Conf...

Страница 15: ...s is 100ms to 32000ms Serial Port Mode Figure 7 shows the Serial Port Mode section of the Per Line Setup window The IP 223 detects and displays the current TDI version See Figure 7 Serial Port Mode The TDI operation for the IP 223 may be selected from the drop down menu Serial Port Param The IP 223 is automatically configured for communication with the TDI NOTE Press Submit to set and display the ...

Страница 16: ...ole Typical LAM levels for RX audio are 30dB LAM Time LAM Time is the time the RX indication and the packet generation continues after the LAM level threshold is exceeded Typical values are 2 to 3 seconds Options Figure 10 shows the Auto Answer Setup section of the Per Line Setup window Auto Answer The IP 223 automatically answers the phone after the number of rings entered into this field Auto Di...

Страница 17: ...ontrol by the TDI The TDI audio outputs Telco TX and IP 223 RX are derived from the processed audio level and DSP echo canceling algorithms to produce nominal 0dB telco and IP 223 levels The IP 223 system gains are typically set to 0dB depending on system requirements Figure 11 shows the IP 223 General Gain Setup page where the receive and transmit gains for each line are set Version 2 000 allows ...

Страница 18: ...Multicast List Figure 13 shows an example of setting two 2 lines to Phone Mode In this example the Line Type is selected as Phone Mode The Line Name is arbitrary and called Line 31 and Line 32 in the case The RX port numbers need to be unique Typically they are just the next number in a standard assignment sequence The Base Radio IP Address is the IP Address of the IP 223 connected to the TDI FIGU...

Страница 19: ...On Offhook was selected The Remote Phone Line Select page shows that no specific line was selected as the Phone asset Instead Pool was selected In the case of the IP 223 Pool mode means if both lines are setup as Phone Mode the console seizes the first free line available for use from the two 2 line pool This is the same function as the multi line telephone Also shown is an example of a few phone ...

Страница 20: ...rmal mode General Gain Setup Window The General Gain Setup window is used to set receive and transmit levels for the line Set the audio Rx level to 0db and the Tx audio level to 22 5dB for the line See Figure 16 Receive Audio Alignment Enter the Receive alignment mode on the IP 223 by pressing and holding the LINE button then successively pressing and releasing the IC button three 3 times The TDI ...

Страница 21: ...ollowing steps outline the TDI Tx alignment procedure Step 1 Place an external meter across the Tx Tx front panel terminals Step 2 Remove the telco line from the TDI Step 3 Enter the Tx alignment mode as indicated above Step 4 From the console place the TDI in the offhook mode be pressing the offhook button Step 5 From the front panel Tx control adjust the 1KHz tone level to 12dB on the external m...

Страница 22: ...ting Temperature Range 0 to 55 C for full specifications Power Requirements 10 to 16VDC filtered 1A Max Dimensions 2 75 W x 4 75 D x 1 75 H Nominal Input Levels IP 223 TX 0dBm Telco Line RX 0dBm DSP AGC Range 15dBm 30dB Front Panel Indicators Green LED Power Red LED Ring Red LED Offhook Rear Panel Connections 2 pin power DB15 RJ11 Phone Line Earth Ground ...

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