MDS TransNET 900 Specifications download pdf (Page 44)

34 MDS TransNET Ref. Manual MDS 05-2708A01, Rev. E

HOPTIME [7, 28]

Radio Transmitter Hop Timing

The HOPTIME command is used to set or display the hop-time setting. The

command is a digit corresponding to the hop-time setting in milliseconds. The

default

HOPTIME setting is 7. A setting of 28 must be used when throughputs

exceed 57,600 bps and is recommended when data transmission sizes exceed

256 bytes.

Changes to the

HOPTIME setting may only be made at the Master radio. (This

is because the Master radio establishes the hop-time setting for the entire

network.) At Remote radios, the hop-time setting may be read when the radio

is in synchronization with the Master, but it cannot be changed.

INIT

Initialize; Restore to Factory Defaults

The INIT command is used to reset the radio’s operating parameters to the

factory defaults listed in Table 12 on Page 34. This may be helpful when

trying to resolve configuration problems that resulted from the entry of one

or more improper command settings. If you are unsure of which command

setting caused the problem, this command allows you to get back to a known

working state.

NOTE: Caution should be exercised when using the INIT command on radios in a sys-

tem employing the Store-and-Forward feature. Settings relating to the use of Ex-

tension services will be lost and will need to be re-entered. Record the settings

for XADDR, XPRI and XMAP before using the INIT command.

SPECIAL

NOTE: Installing firmware of Revision 3.0 or later into a radio with Revisions 1.x firm-

ware will preserve the radio’s compatibility with other radios running Revision

1.x firmware. If updating the radio’s firmware is part of a system-wide upgrade,

the last step should be to use the INIT command at the Master station. Use of

the

INIT command causes the changes shown in Table 12 to be applied.

Table 12. INIT Command Generated Defaults

Parameter Default Setting

Corresponding

Command

For ALL radios

Alarm Mask FFFF FFFF AMASK

Alarm Output Sense RS-232 High (+5.0 Vdc) ASENSE

Device Operation DCE DEVICE DCE

DATA Interface Port • 9600 baud

• 8 data bits

• none (no parity)

• 1 stop bit

BAUD 9600 8N1

Data Port Setting RS/EIA-232 PORT RS232

CTS Delay 0 (CTS is continuously asserted) CTS 0

CTS Hold-Time 0 CTSHOLD 0

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 95 96

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