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6 MDS entraNET 900 System Guide MDS 05-4055A01, Rev. A
more associated Remote units, as shown in Figure 1-2 on Page 6. A
LAN provides communications between a central WAN/LAN and
Remote Ethernet endpoints. Ethernet Remotes can support only one
Ethernet endpoint each.
The operation of the radio system is “transparent” to the computer
equipment it is connected to. That is, the system behaves just as it would
in a hardwired arrangement, with respect to data format and integrity.
Antenna Placement
The Access Point antenna is positioned at a location from which it can
reliably communicate with all of the Remote units in the system. Com-
monly, this is a relatively high location on top of a building or commu-
nications tower. Over-the-air messages are exchanged at the Ethernet
level. This includes all types of IP traffic.
Communication Rules
• A Remote transceiver can only talk over-the-air to an Access
Point (AP), unless specially configured Direct Mode opera-
tion—Available soon. Contact MDS for information.
• Peer-to-peer communications between Remotes can take place
indirectly through the AP.
• An AP can only talk over-the-air to Remote units, however two
APs can communicate with each other through their Ethernet
connectors utilizing a common LAN/WAN.
Invisible place holder
Figure 1-2. Typical wireless LAN
1.2.2 Multiple Protocols and/or Services
Prior to the introduction of the entraNET 900, two networks were often
required to service two different types of devices (typically connected to
different SCADA hosts). An entraNET 900 provides this functionality
through a single AP radio. Each of the two (or more) groups of Remote
radios can be connected via IP to different SCADA hosts, transporting
different (or the same) protocols. Both data streams are completely inde-
Remote
Remote
Access Point
Remote
Remote
WAN/LAN
Ethernet
Device
Ethernet
Device
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- MDS entraNET 1
- Contents 3
- RF Exposure 7
- INTRODUCING THE 9
- 1.1 PRODUCT DESCRIPTION 11
- 1.2 APPLICATIONS 13
- Serial Interfaces 15
- 1.4 ACCESSORIES 17
- Table 1-3. Accessories 18
- TEST SETUP AND 19
- EVALUATION 19
- 2.1 INTRODUCTION 21
- 2.2 STEP 1—CONNECT THE 23
- ANTENNA PORTS 23
- Wire Ports 24
- COM1 or LAN Port 25
- (See Text) 25
- COM1 port 26
- COM1 Port 27
- 2.5 STEP 4—CONNECT TERMINAL 28
- EQUIPMENT 28
- 2.6 STEP 5—CHECK FOR NORMAL 28
- OPERATION 28
- 2.6.1 Verifying Connectivity 29
- Figure 2-8. Ping Test Setup 30
- AP MANAGEMENT 31
- 3.1 INTRODUCTION 33
- (Telnet Similar) 36
- COM1 port via a serial cable 37
- 3.1.4 Navigating the Menus 39
- 3.2 BASIC DEVICE INFORMATION 40
- 3.2.2 Main Menu 41
- 3.3 CONFIGURING NETWORK 42
- PARAMETERS 42
- From Access Point 43
- 3.3.2 IP Configuration Menu 44
- (User Review Required)—ID of 45
- 3.4 CONFIGURING RADIO 48
- Figure 3-13. Skip Zones Menu 49
- 3.5 CONFIGURING THE SERIAL 50
- INTERFACES 50
- Serial Data Port 51
- (Serial-to-Serial example) 53
- (IP-to-Serial Example) 53
- COM port in 54
- 3.6 SECURITY CONFIGURATION 57
- 3.7 WIRELESS NETWORK MENU 59
- Figure 3-26. Remote Database 62
- 3.8 STATISTICS/EVENT LOG 64
- Wireless Packet 68
- Statistics 68
- Ethernet Packet 68
- 3.8.4 Radio Packet Statistics 69
- 3.8.5 Event Log Menu 69
- Time and Date 70
- Figure 3-34. Event Log Menu 70
- (Telnet/Terminal only)—IP 71
- 3.9 DEVICE INFORMATION MENU 72
- 3.10 MAINTENANCE/TOOLS 73
- 3.10.1Reprogramming Menu 74
- Upgrading the 76
- Transceiver 76
- Firmware 76
- LAN, or Terminal emulator 77
- 3.10.3 Ping Utility Menu 85
- 3.10.4Authorization Keys Menu 86
- MANAGEMENT 87
- REMOTE RADIO 87
- 4.1 INTRODUCTION 89
- COMMAND DESCRIPTION 90
- 4.2 UPGRADING REMOTE FIRMWARE 101
- CONFIGURATIONS 103
- Establishing a 105
- Connection 105
- Invisible place holder 106
- RemoteAccess Point 107
- COM port 108
- Remote 1 109
- Remote 2 109
- Remote 3 109
- Remote 4 109
- Access Point 109
- INSTALLATION 111
- 6.1 INSTALLATION 113
- 6.1.2 Site Selection 114
- High-gain Type 115
- Unity-gain Type 115
- CHART, on Page 113 120
- TROUBLESHOOTING & 123
- RADIO TESTS 123
- 7.1 TROUBLESHOOTING 125
- Management System 126
- LINK LED 130
- Statistics) 131
- TECHNICAL REFERENCE 133
- 8.1 DATA INTERFACE CONNECTORS 135
- 8.1.2 COM1 Port (AP, Remotes) 136
- 8.2 TECHNICAL SPECIFICATIONS 137
- DATA CHARACTERISTICS 138
- RADIO CHARACTERISTICS 138
- DEFINITIONS OF TERMS 141
- COM1 and COM2 Port of the 142
- IN CASE OF DIFFICULTY 147
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