Dataradio Paragon, Техническое руководство

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120 20170-204a Paragon
PD
Technical Manual 15
Figure 13 - RS-232 Port LED indicators
CM Command Mode - LED lights and re-
mains lit while the selected port is ac-
cessing the Command Processor. It
lights ON and OFF while being config-
ured.
FR Flow Control on Receive - the BDLC
PD
has received a flow control signal from
the device connected to it. When it
lights, BDLC
PD
has stopped sending
data to the DTE. When LED goes out,
the port terminal is again ready to re-
ceive data.
FT Flow Control on Transmit - the BDLC
PD
has sent a flow control signal to the
DTE asking it to stop sending data. The
LED remains lit as long as the terminal
is being held off.
RD Receive Data - when lit, it shows that
the Receive Data pin 3 on the RS-232
interface connector is active. Since all
BDLC
PD
are configured as DCE, it
means that the DTE is receiving data
from the BDLC
PD
.
TD Transmit Data - shows the status of
Transmit Data pin 2 of the RS-232 in-
terface. When lit, the DTE is sending
data to the BDLC
PD
.
3.2.1.2.3 Check and Power
CK Check:
Normally flashing rapidly (about 6 cps),
indicates microprocessors are working
correctly and power is applied.
Not flashing indicates unit is not func-
tioning.
Blinking slowly (1 cps), indicates the
parameters contents of the flash memory
have been corrupted. The unit automati-
cally loads its set of factory default pa-
rameters and starts beeping at 20 sec-
onds intervals.
May also indicate DSP-modem re-
initialization has occurred
3.2.1.2.4 Alarm Indicators
All alarm conditions will cause the BDLC
PD
to
light one or more of the LED indicators. LEDs
remain ON when lit until cleared by either
pressing PF 1 (without affecting operation of the
unit) or RESET (cycling unit OFF and ON).
Figure 14 - ALARMS LED indicators
LM Local Minor Alarm - when lit, indicates
the presence of any of the following mi-
nor faults:
- Parity, framing or overrun error at any
RS-232 port.
- Out of buffers. No memory available
to accept data from a local terminal de-
vice. Usually denotes a flow control
problem.
- Flash memory error. At power-up or
reset, the unit detected a change in non-
volatile memory.
RM Remote Minor Alarm - when lit, indi-
cates any of the Local Minor Alarm
listed above have taken place at the re-
mote end of the link (i.e. the mobile the
local base station is currently communi-
cating with). It will also light when a
protocol error has been detected on the
network.
In a network using the “Host Link Ac-
tive” (MSC) feature, the RM LED,
flashing in-sync with the CK LED, indi-
cates that the link is down.
ALARMS
LM RM LF UF
3 2 1
RS-232
CM FR FT RD TD