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Care and Feeding of Telex Radio Dispatch Systems
C-6200 Setup
Entering the Setup Mode
Setup of the C-6200 is almost entirely done using a web browser. The first step required during setup
is to assign the Ethernet and Mask addresses to the C-6200. This is done through the front panel. To
enter the front panel setup mode, press and hold MUTE-F16-GRP.
Setting the System Clock
Pressing PROG1 from the top-level setup menu will open the screen to set the internal Real Time
Clock. PROG1 selects the Edit option that allows setting of the actual minutes and hours. PROG2
sets AM or PM., PROG3 selects 12 or 24-hour mode, PROG4 returns to the previous setup screen.
The clock can also be directly setup by pressing MUTE-F16-C1. This key sequence bypasses the
PIN number and the main setup screen.
Setting the PIN number
The Pin number is used to prevent unauthorized modification of operation parameters. When a PIN
number is set, the C-6200 will prompt for it before allowing entry into the setup mode. The web-
based setup for the C-6200 also has provision for a user password; it is the same four-digit value as
the PIN number entered from this menu option. Selecting PROG3 from the main menu will cause
the C-6200 to prompt for the new PIN number twice. If both are entered identically, the new PIN
number will take affect.
Phase 4 Design, Inc.
Dave Grant / dgrant@hostnw.net
425.402.7308
11/5/2010
Page 1 of 18
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Summary of Contents for Telex C-6200
- Page 1 Setup of the C-6200 is almost entirely done using a web browser. The first step required during setup is to assign the Ethernet and Mask addresses to the C-6200. This is done through the front panel. To enter the front panel setup mode, press and hold MUTE-F16-GRP.
- Page 2 Once these values have been set, the unit must be reset for them to take affect. It is now possible to connect to the C-6200 with a computer and web browser. Phase 4 Design, Inc. Dave Grant / dgrant@hostnw.net 425.402.7308...
- Page 3 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup C-6200 Backplane connections Battery backup: The Auxiliary power input (3-Pin terminal block) is a diode-protected +12V input used for battery backup. Pin (E) is also connected to the chassis allowing for positive grounding of the unit.
- Page 4 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Auxiliary Speaker: The DB9 SPKR/FS connector has Selected, Unselected and Crosspatch audio outputs for driving external 8-ohm speakers. Footswitch: The DB9 SPKR/FS connector provides footswitch and ground connections. This input acts as a console PTT when it is shorted to ground.
- Page 5 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Auxiliary Relay Output: The DB25 AUX connector provides connection to the AUX relays, depending on the setting of the AUX button in the tech mode, this output is a relay closure that can be used for whatever purpose is required.
- Page 6 C-6200 Setup 6200TCRD - Line Ports 1-9: The C-6200 can accommodate up to 18-lines, in multiples of two. The nine-line connectors are on the rear of the unit and are standard DB25 connectors for TCRD and RJ-12 for PCRD. The pin-outs of the connectors appear below.
- Page 7 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Cross-mute When a parallel console operator keys a microphone in the same room, the cross-mute function mutes the receive audio path of the other parallel consoles. This prevents any unwanted audio loops that would occur causing a loud squeal on the paralleled speakers.
- Page 8 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Two-Wire/Four-Wire Mode Each Line Card comes standard with a jumper selectable two or four-wire option. Note: The Line Cards are shipped in the four-wire mode. Two-wire mode is accomplished by the following jumper positions: The RX pairs are now on pins 11 and 22 (line 1), 5 and 16 (line 2) on the connector.
- Page 9 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup RX Side Settings The RX side is jumper selectable for 600 or 10k ohm impedance. In 4 Wire mode, If only one console is on the line (no parallel consoles) then place J10 (Line 1) or J8 (Line 2) in the A position for a 600 Ohm line impedance.
- Page 10 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup The C-6200 TX output circuitry has a DPDT relay that is used to connect and disconnect the TX output transformer from the TX line based on PTT status. This allows a very large number of consoles to be attached to the line in parallel, because only the transmitting unit will be directly connected to the line.
- Page 11 Figure 2 shows a basic configuration, the C-6200 could also be the master in this configuration. NOTE: If any of the consoles connected in parallel are not C-6200’s, then all the C6200’s should be configured as slaves. Additionally, J18 (Line 1) or J17 (Line 2) should be used as a TX line impedance correction if there are consoles other than the C-6200 connected in parallel.
- Page 12 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup A RJ-45 connector is provided for auxiliary functions per line, recorder out and relay closure. See Figure 4 Phase 4 Design, Inc. Dave Grant / dgrant@hostnw.net 425.402.7308 11/5/2010 Page 12 of 18...
- Page 13 The transmit path begins at the microphone of your choice and ends with the transmit line card jack. Microphone adjustments There are three microphone inputs to the C-6200. A gooseneck connector is provided for on the front of the console and is default with the front panel PTT. Two inputs are accessible from the rear of the unit.
- Page 14 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Adjusting the handset/headset microphone levels Make a vocal tone into the handset and adjust RV4 for approximately 2V Peak to peak at TP11. The sidetone level can be adjusted from within the tech mode. Speak into the handset and listen to the earpiece.
- Page 15 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Line Card Transmit Path Adjustment Once the microphone audio has been digitized, the DSP will first route it through a 2175Hz notch filter to remove 2175Hz components from the voice. This is done to make sure that no component of the microphone audio will interfere with the 2175Hz hold tone.
- Page 16 The green LED under each Release Button will blink when activity is on the line. The default level for the C-6200 console to trigger the LAM is -10dBm. The trigger point can be changed within the tech mode. Note that the LAM can be used as a squelch circuit. The Select and Unselect audio paths may be independently controlled by the LAM.
- Page 17 Crosspatch outputs are provided. Earth Ground While Telex-Vega recommends that the unit be tied to earth ground though the AUX power connector on the back of the unit. It is imperative that chassis ground to tied to some fixed reference for proper operation of the unit.
- Page 18 Care and Feeding of Telex Radio Dispatch Systems C-6200 Setup Line Card Installation Installing and removing line cards can be completed in the field by qualified personnel. The steps for this process are listed below. 1) Remove power from the console.
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