Microwave Data Systems EL805, Руководство по установке и эксплуатации

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MDS 05-2708A01, Rev. B MDS TransNET 900 I&O Guide 21
Baud Rate Setting
The default baud rate setting is 19200 bps to accommodate most systems. If
your system will use a different data rate, you should change the radio’s data
interface speed using the
BAUD xxxxx abc
command ( Page 28 ). It should be
set to the highest speed that can be sent by the data equipment in the system.
(The transceiver supports 1200 to 115200 bps.)
Radio Interference Checks
The radio operates in eight frequency zones. If interference is found in one or
more of these zones, the SKIP command (
Page 36 ) can be used to omit them
from the hop pattern. You should also review Section 3.3, A Word About
Radio Interference , when dealing with interference problems.
6.0 RADIO PROGRAMMING
There are no manual adjustments on the radios. Programming and control is
performed through a PC connected to the radio’s
DIAG connector.
6.1 Radio Programming Methods
Terminal Interface
A PC may be used by operating it in a basic terminal mode (for example, a
HyperTerminal session) and entering the radio commands listed in tables
found in
“User Commands” on Page 22 . The PC must be connected to the
radio’s
DIAG
connector using an RJ-11 to DB-9 Adapter Cable (MDS Part
No. 03-3246A01). If desired, a cable of this type may be constructed using
the information shown in
Figure 20 on Page 54 .
Once connected, communication (baud rate) is established through the
command interface. To access the command interface, press the
ESCAPE
key, followed by one or more
ENTER
keystrokes (delivered at about
half-second intervals), until the “>” prompt is displayed.
NOTE:
The
DIAG
port (RJ-11 connector) uses 8 data bits, 1 stop bit, and no parity. It
can automatically configure itself to function at 1200, 2400, 4800, 9600, 19200,
38400, 57600, and 115200 bps.
If the DLINK setting is ON, the DIAG port will start out in Diagnostic Link mode.
This is a special protocol used to support Network-Wide Diagnostics. The pro-
cess described in the paragraph above causes the radio to exit diagnostic link
mode and enter command mode. If there is no input in command mode for 5
minutes, the DIAG port will revert back to diagnostic link mode.
PC-Based Configuration Tool
The Windows™-based MDS TransNET Configuration Software
(P/N 06-4059A01) is designed for use with a PC connected to the radio’s
DIAG
connector through an RJ-11 to DB-9 cable assembly (MDS Part No.
03-3246A01). A cable of this type may be constructed using the information
shown in
Figure 20 on Page 54 .