Black-box MWU2000-X21 Manuel d'utilisateur

2.048Mbps Wireless Modem TECHNICAL:SALES:FAX:ADDRESS:WEB:(0118) 965 6000 (0118) 965 5100 (0118) 965 5001 464 Basingstoke Road, Read

10 2.048Mbps Wireless Modem SALES: 0118 965 5100 Main Features of the 2.048Mbps Wireless Modem Wireless Connectivity The 2.048Mbps Wireless Modem p

100 2.048Mbps Wireless Modem SALES: 0118 965 5100 Maximum Number of Links to Synchronize Table 5-6. Maximum Number of Synchronized Links Filter Cu

101 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Frequency Accuracy ±15ppm. Noise Figure 5dB max. Total Link Display Controllable, between 1

102 2.048Mbps Wireless Modem SALES: 0118 965 5100 Fractional T1 Interface Data Rate: 1544 Kbps Type: DSX-1, meets CCITT G.703, G.704 and G.82

103 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 X.21 Interface Data Rate: 64 - 2048 Kbps (N x 64) Type: Synchronous Data, RS-422 levels

104 2.048Mbps Wireless Modem SALES: 0118 965 5100 Q-CTRL (future RJ-45, 8 pin, female option) RSSI Test point (for DVM), accuracy = ±20%. P

105 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Antennas Sets One transmit antenna, one receive antenna. Standard Antennas: • low - 8.5dBi

106 2.048Mbps Wireless Modem SALES: 0118 965 5100 Connectors LNA 10 • RF IN: N-type, female • RF OUT: N-type, male • Signal and Power IN: not i

107 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Operating Environment: Indoor/Outdoor Grounding: One of the female-type N connectors is mo

108 2.048Mbps Wireless Modem SALES: 0118 965 5100 Appendix A - V.35/RS-530/X.21 Applications DCE/DTE Configuration The following is a description o

109 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Table A-2. Configuration * Slave can also be configured as DCE with external clock provided t

11 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 RSSI Antenna reception can be fine-tuned by checking the strength of the received signal. To che

110 2.048Mbps Wireless Modem SALES: 0118 965 5100 • DTE A supplies the Master clock. • Modem A is configured as “Master”, DCE external clock. • Modem

111 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 DCE Options 1. DCE, internal clock - Supported by V.35, RS-530 and X.21. Jumper configuration:

112 2.048Mbps Wireless Modem SALES: 0118 965 5100 DTE Options 1. DTE - Supported by V.35, RS-530. Jumper configuration: Figure A-7. DTE, V.35 and

113 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 • Type 3 for DTE (X.21) mode Valid selections are in accordance with following guidelines: • D

114 2.048Mbps Wireless Modem SALES: 0118 965 5100 Appendix B - E1 / T1 Applications Introduction This appendix describes some of the possible ways

115 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Table B- 1. E1/T1 Connections In addition to the faults mentioned in the above table, there

116 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure B-2. E1/T1 Board Location To access the jumpers: 1. Disconnect all cables, including the

117 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure B-3. E1 Unbalanced (Coax connector, 75 W) Figure B-4. E1 balanced (RJ-45 connector,

118 2.048Mbps Wireless Modem SALES: 0118 965 5100 T1 CSU/DSU Applications In most T1 applications, the 2.048Mbps Wireless Modem replaces the CSU/DSU

119 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 E1/T1 Back-to-Back Configuration Figure B-8. E1/T1 Back-to-Back Configuration

12 2.048Mbps Wireless Modem SALES: 0118 965 5100 Line Interface Unit The Line Interface Unit connects the 2.048Mbps Wireless Modem to the WAN or to

120 2.048Mbps Wireless Modem SALES: 0118 965 5100 Appendix C – Fractional E1/T1 Applications Introduction This appendix explains under which condit

121 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 The following table provide details on effective data rate and default modem rate for Fractional

122 2.048Mbps Wireless Modem SALES: 0118 965 5100 Table C-2 summarizes the possible connections and the resulting behaviour: Table C-2. Fractiona

123 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure C-2. Fractional E1 Board Location To access the jumpers: 1. Disconnect all cables, in

124 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure C-3. Fractional E1 Unbalanced (Coax connector, 75 W) Figure C-4. Fractional E1 balanced (R

125 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Fractional T1 CSU/DSU Applications • In most Fractional T1 applications, the 2.048Mbps Wireless

126 2.048Mbps Wireless Modem SALES: 0118 965 5100 Fractional E1/T1 Back-to-Back Configuration Figure C-7. Fractional E1/T1 Back-to-Back Configuratio

127 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Echo cancellers circuits are used in long distance and some wireless links to solve the echo pro

128 2.048Mbps Wireless Modem SALES: 0118 965 5100 Appendix D - Installing Other Types of Receive Amplifiers General The 2.048Mbps Wireless Modem su

129 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure D-2. Jumper Setting for 12 VDC Power Supply To supply DC input through the RF cable 1

13 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 E1 The rear panel connector module consists of one E1/CEPT-1 balanced (RJ-45) connector and two

130 2.048Mbps Wireless Modem SALES: 0118 965 5100 Appendix E – Pin Assignments E1/T1 and Fractional E1/T1 Pin Connections Table E-1. E1/T1 and Fra

131 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 LIU D-25 to V.35 Cable Pin Assignments Figure E-2. LIU D-25 to V.35 Cable Pin Assignments.

132 2.048Mbps Wireless Modem SALES: 0118 965 5100 LIU D-25 to X.21 Cable Pin Assignments Figure E-3. LIU D-25 to X.21 Cable Pin Assignments

14 2.048Mbps Wireless Modem SALES: 0118 965 5100 ARQ – Based Error Correction The 2.048Mbps Wireless Modem uses an Automatic Retransmission Queuing

15 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 For further information on antennas, cables and related accessories see Chapter 2, Installation,

16 2.048Mbps Wireless Modem SALES: 0118 965 5100 AIS (Alarm Indication Signal - E1/T1 and Fractional E1/T1 only). Red LED lights when WAN or DTE con

17 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 2.048Mbps Wireless Modem Connectors Figure 1-8 shows how to connect the 2.048Mbps Wireless Mode

18 2.048Mbps Wireless Modem SALES: 0118 965 5100 Installation Antennas and Accessories Package Components The 2.048Mbps Wireless Modem is shipped f

19 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-1. 2.048Mbps Wireless Modem Rear Panel Showing 48 VDC Connector 6. For two 2.048Mbps W

2 2.048Mbps Wireless Modem SALES: 0118 965 5100 How To Contact your Local Black Box Italy: Australia: Black Box Italia S.P.A Black B

20 2.048Mbps Wireless Modem SALES: 0118 965 5100 4. From the V.35/RS-530/X.21 Parameters menu, type 1. The Clock Rate sub-menu opens. 5. Select the

21 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 4. From the Add/Remove Echo Cancellation on voice channels menu, type 2 to select the Clear (Remo

22 2.048Mbps Wireless Modem SALES: 0118 965 5100 4. From the Add/Remove Echo Cancellation on voice channels menu, type 2 to select the Clear (Remove)

23 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-2. Basic 8.5 dBi Antenna Showing Installation screws. Medium Gain 12dBi Antenna

24 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure 2-3. Medium Gain 12dBi Antenna Medium Gain 18dBi Antenna (Uni-18) This medium gain anten

25 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-4. Medium Gain 18dBi Antenna High Gain Antenna (Uni-24) The gain of this antenna is

26 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure 2-5. High Gain 24dBi antenna. Table 2-1 provides a summary of the main characteristics of

27 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Table 2-1. Antenna Characteristics RF Accessories TPA 24 Transmit Power Amplifier The TPA 24 a

28 2.048Mbps Wireless Modem SALES: 0118 965 5100 Installing the TPA 24 1. Install the TPA 24 as close as possible to the transmitting antenna. F

29 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Note: Installations exceeding regulations set by local authorities expose the installer and the u

3 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 France: U.S.A Black Box Catalogue Black Box Corporation Tel: 0145606700 Tel:

30 2.048Mbps Wireless Modem SALES: 0118 965 5100 NF2 = Noise Figure of the cable = Loss of cable NF3 = Noise Figure of the modem = 2.8 G1 = Gain of L

31 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-9. LNA-10 Cable Connection Diagram The power supply (PS) and Power Inserter are suppli

32 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure 2-10. AL-1 Cable Connection Diagram Cable Types Thin Cable This is a relatively thin and

33 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Professional Installers Only Antennas, whether installed indoors or out, are to be installed ONL

34 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure 2-12. Wall Mount with Azimuth and Elevation Alignment Figure 2-13 One 12dBi Antenna

35 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Range Tables Use the following tables to calculate the antennas and cables that will best suit y

36 2.048Mbps Wireless Modem SALES: 0118 965 5100 Table 2-6. Maximum (Unregulated) Range Table Antenna Alignment In order to function properly and

37 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 To activate the front panel LEDs: 1. If the LEDs are not lit, loosen the screws on the U-bolt th

38 2.048Mbps Wireless Modem SALES: 0118 965 5100 2. Loosen the screws on the U-bolt that fasten the receive antenna to the mast (or the bolts on the

39 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-17. Jumper Setting for RSSI measurement via the Receive RF Cable 3. Connect a DVM to

4 2.048Mbps Wireless Modem SALES: 0118 965 5100 Contents Introduction...

40 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure 2-18. Default position (NC) of the Jumpers in the Receive Module. Synchronizing Co-located

41 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-19. Several Co-located modems in a “star” configuration Note: On the Master side, t

42 2.048Mbps Wireless Modem SALES: 0118 965 5100 • Set “Number of links to synchronize” to a value greater or equal to the actual number of connecte

43 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 2-20. Several Co-located 2.048Mbps Wireless Modems in a “center-to-center” configuration.

44 2.048Mbps Wireless Modem SALES: 0118 965 5100 Set-up and Configuration Set-up and Configuration Functions This section explains how to access a

45 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 3-1. Main Menu Note: Hardware version 2 includes all features of Hardware version 1, plu

46 2.048Mbps Wireless Modem SALES: 0118 965 5100 System Reset Resetting the system from the System Reset menu implements all the changes made to the

47 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 2. Press Esc at any stage to return to the previous menu (if you press Esc before making any sel

48 2.048Mbps Wireless Modem SALES: 0118 965 5100 E1 Alarm Buffer The Possible alarms are: • LOS (all zeros signal): Loss Of Signal – No signal is r

49 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Table 3-2. Fractional E1 parameters Menu Items and Actions Remote Alarm Method Two m

5 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Set-up and Configuration...

50 2.048Mbps Wireless Modem SALES: 0118 965 5100 Long haul/Short haul This parameter determines the sensitivity of the receiver circuits in the line

51 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Remote-BreezeLINK-Unsync Indicates a temporary incidence of a very noisy radio channel. Repeate

52 2.048Mbps Wireless Modem SALES: 0118 965 5100 When an alarm is detected, a note appears at the bottom of the display (Note: An alarmhas been activ

53 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233

54 2.048Mbps Wireless Modem SALES: 0118 965 5100

55 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Superframe Method Each frame transmitted to (or received from) the end equipment is comprise

56 2.048Mbps Wireless Modem SALES: 0118 965 5100 interface, as per the requirement specified in the applicable standard (DSX-1 for DSU network interf

57 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 • Straight 2100Hz tone (0): The most popular method based on transmitting a straight 2100Hz tone

58 2.048Mbps Wireless Modem SALES: 0118 965 5100 V.35/RS530/X.21 Parameter Menu Table 3-5. V.35/RS-530/X.21 Parameters Menu Items and Actions DC

59 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 See Appendix A for details on DCE/DTE options and for instructions on setting the LIU jumpers acc

6 2.048Mbps Wireless Modem SALES: 0118 965 5100 Problem 9: The fractional E1/T1 link is synchronised, but one or some systems that are connected to t

60 2.048Mbps Wireless Modem SALES: 0118 965 5100 For fractional E1/T1, the LIU card performs the loopback. Both clock and data are looped back. When

61 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Table 3-9. MCP Parameters Menu Options Master-Slave In synchronous data communications syste

62 2.048Mbps Wireless Modem SALES: 0118 965 5100 In order to maintain a continuous flow of reconstructed received data transferred to the terminal eq

63 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 The following commands are set as a default initialisation string in the modem: AT&f\nThe mea

64 2.048Mbps Wireless Modem SALES: 0118 965 5100 Radio and Modem Parameters Menu The Radio and Modem Parameters menu gives you access to the followi

65 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Changing the modem rate above the default value results in the following: • The higher the mode

66 2.048Mbps Wireless Modem SALES: 0118 965 5100 • Copy local database and download to remote unit. Table 3-12. REMOTE Parameters Menu Options Sw

67 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Ping Remote Unit The remote management process involves transfer of large quantities of data bet

68 2.048Mbps Wireless Modem SALES: 0118 965 5100 Table 3-13. Load Default Values Menu options Note: The Hopping Standard and LIU type parameters a

69 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Counters and Tracers Menu To access the Counters and Tracers Menu: • From the Main Menu, type

7 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Appendix D - Installing Other Types of Receive Amplifiers...

70 2.048Mbps Wireless Modem SALES: 0118 965 5100 System Counters In the Counters and Tracers menu, type 1 to display the System Counters.

71 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 The following is a table of the buffers and their description: Table 3-14. Buffers Name and

72 2.048Mbps Wireless Modem SALES: 0118 965 5100 Table 3-15. Modem Rate Vs. Buffer Size • A high number of RADIO NO RX BUFFERS that are relative

73 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 The RSSI per channel test displays in graphic format the strength of the received signal on each

74 2.048Mbps Wireless Modem SALES: 0118 965 5100 Each column represents the percent of RADIO ERROR BUFFERS in each of the RF channels, out of all the

75 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 3-12. Time Tracer Max Consecutive Errors Graph Using the same time resolution as the Tim

76 2.048Mbps Wireless Modem SALES: 0118 965 5100 2. Select a new resolution. You can enter up to 11 characters in hh:mm:ss.ss format. For example, t

77 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Watch Alarms Alarms for V1.7 LIU Alarms In the Counters and Tracers menu, type A to display th

78 2.048Mbps Wireless Modem SALES: 0118 965 5100 Message: Remote Frame Alarm Description: In fractional E1 applications, an indication from the con

79 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Message: RLOS (framer un-synchronized) Description: In Fractional T1 applications, the wireles

8 2.048Mbps Wireless Modem SALES: 0118 965 5100 Introduction About this Manual The following summary will help you quickly locate the information y

80 2.048Mbps Wireless Modem SALES: 0118 965 5100 Message: WARNING: Delay setting may be too short to correctall errors Description: The selected d

81 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Message: WARNING: Net I.D. too high (relevant only regardingsynchronization) Description: The

82 2.048Mbps Wireless Modem SALES: 0118 965 5100 Mode and Access Control Menu The Mode and Access Control menu enables to define the access rights.

83 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Figure 3-14. Site Survey Graph The minimum measurable RSSI of the system is approximately -103

84 2.048Mbps Wireless Modem SALES: 0118 965 5100 Troubleshooting Introduction In the process of establishing a link, various problems may arise, ei

85 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 ⇒ To check the configuration of each unit: 1. From the Parameters menu, select Parameters Info.

86 2.048Mbps Wireless Modem SALES: 0118 965 5100 The received power should be above the reception threshold for the modem rate in use. It is preferab

87 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 3. For X.21, RS-530 and V.35 configured as DCE External Clock or DTE, verify that: • The end equ

88 2.048Mbps Wireless Modem SALES: 0118 965 5100 2. For X.21, RS-530 and V.35, verify that: • The DCE Internal clock or DCE External clock or DTE se

89 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 • For E1 and Fractional E1, verify that the balanced/unbalanced configuration of the LIU (set by

9 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Product Description The 2.048Mbps Wireless Modem is a high-speed full-duplex wireless modem, empl

90 2.048Mbps Wireless Modem SALES: 0118 965 5100 Problem 7: The system resets with an error message Use the following table to determine the source

91 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233

92 2.048Mbps Wireless Modem SALES: 0118 965 5100 Table 4-1. Error Messages Source Problem 8: One or more links function properly (are synchronise

93 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 4. Verify that the following parameters are the same in both units: • Hopping Standard and Hoppi

94 2.048Mbps Wireless Modem SALES: 0118 965 5100 3. Check that the error rate of the LIU link is not too high. It is recommended that the LIU BUFFER

95 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Technical Specifications Wireless Modem Technical Specifications Models 2.048Mbps Wireless Mo

96 2.048Mbps Wireless Modem SALES: 0118 965 5100 The modem rate is selected automatically by the selected LIU Data Rate (Clock Rate), according to th

97 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 Maximum Spurious Level 60dBc Receiver Sensitivity The receiver sensitivity, as a function of t

98 2.048Mbps Wireless Modem SALES: 0118 965 5100 Figure 5-1. Radio BER Improvement Table 5-5. System Gain Maximum Receive Level -10dBm for mo

99 2.048Mbps Wireless ModemTECHNICAL: 0118 931 2233 causes a degradation of 3db in the sensitivity of the receiver. The graph below displays the adja