Instruction/ maintenance manual of the product X7220 Warwick
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WARWICK WIRELESS WARWICK WIRELESS WARWICK WIRELESS WARWICK WIRELESS LIMITED LIMITED LIMITED LIMITED X7220 DUA L REDUNDA NT BA SE STA TION WA RWICK WIRELESS LIMI TED THE MANO R, ASTON FLAMVILLE, LEICESTERSHIRE, LE10 3AQ ENGLAND TEL: +44 ( 0) 1455 233616 FAX: +44 ( 0) 1455 233179 W EB: www.
INDEX 1.0 FEA T URES 2.0 SPECIFICA T ION 3.0 INTERFACES 3.1 Comm unic ations Port 9 W ay D Connector 3.2 Service Port 9 W ay D Connector 3.3 LED Indicators 3.4 Fuse s 3.5 Progr am Switch 3.6 Alarm Reset Switch 3.7 Antenna Connectors 3.8 Power supplies 4.
1.0 FEA TURES • Operates on inter national licensed and lic ence fr ee radio bands. • RF Bands: 147MHz to 174MHz VHF 400MHz to 500MHz UHF 868MHz to 920MHz UHF • Conform s to ET SI 300-220, ET SI 300-113, ET SI 300-683, MPT 1329. • Two Independently X7200HP Radio Modems in hot s tandby.
2.0 SPECIFICA TION ABSOLUT E MAXIMUM RATI NGS Storage Tem peratur e ......................................... -30 to +85 Celsius Operating Tem perature ...................................... -10 to +55 Celsius DIMENSIONS X7220HP UHF 1- 5W ............
3.0 INTERFA CES 3.1 Comm unication Port 9 W ay D Type Connector RS232/RS485 1 ALARM CONTACT OUTPUT 6 ALARM CONTACT OUTPUT 2 RS232 RD RECEIVE DAT A INPUT 7 -VE RS485 INPUT/O UTPUT 3 RS232 T D TRANSMIT .
3.3 LED Indicators Eight LED’s on the fr ont of the m odem indicate the f ollowing states: Trans m it Data 1 Green O n when modem 1 is tr ansm itting data. Receive Data1 Green On when a RF carrier of greater than 0.9uV is detected PSU 1 Red On when Modem 1 power s upply is good.
not then the data is stored in the buf f er until the channel bec om es f ree. If it is fr ee then a pream ble m essage will be transm itted so that the rec eiving m odems can align to the incom ing data.
If a sec ond PC is not available sim ply power up the second modem . Conf igure the m odem connected to the PC in the repeater mode with the address m ode switched off . This will comm and the distant m odem to repeat back the character s sent to it. 6.
Parity Enable Parity Odd/Even O dd, Even or No Parity can be selected . RF Channel On of 17 RF F requency can be selected. Key T ransm itter The trans m itter carrier can be switched on. A distant m odem can them us e the RSSI bar graph to check the signal s trength.
6.2 Service Port Menue The Servic e Port Menu is dis play ed by connecting a PC conf igured at the Baud Rate set previously (Factory set at 9600) and pres sing the $ Key followed by the Es c Key. Note that the monitor and control unit will not operate when the m enu is displayed.
Address Mode Not used TX Address Not used RX Address Not used Restore Def aults Set Factor y Def aults. Exit without Save Return to Modem Advanced Menu Return to Main Menu Display Main Menu by pr essi.
7.0 RA DIO TRA NSMISSION 7.1 Radio Frequency Hex RF Tx RF RxRF Channel Channel Frequency Frequency SW 5 SW 4 SW 3 SW 2 SW 1 02H 1 440.825 MHZ 445.825MHz ON ON ON O N OF F 04H 2 440.850 MHZ 445.850MHz ON ON ON O FF ON 06H 3 440.875 MHZ 445.875MHz ON ON ON O FF OFF 08H 4 440.
7.3 Radio Propagation W hen installing a X7220 Radio Modem there are a num ber of fa ctors that s hould be consider ed as they will aff ect the perf orm ance of the r adio link. T hese ar e: Trans m itter power output. Sensitivity of the receiver. Height of trans mitter and receiver antenna.
8.4 Radio Path The radio path c an be tested by configuring the trans mitting m odem to the Repeater Mode. Exit the conf iguration m enu and transm it a char acter f rom the dum b term inal This will be echoed back from the dist ant modem if there is a good tr ansm ission path.
An important point after buying a device Warwick X7220 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Warwick X7220 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Warwick X7220 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Warwick X7220 you will learn all the available features of the product, as well as information on its operation. The information that you get Warwick X7220 will certainly help you make a decision on the purchase.
If you already are a holder of Warwick X7220, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Warwick X7220.
However, one of the most important roles played by the user manual is to help in solving problems with Warwick X7220. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Warwick X7220 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
