CXR V.34bis series, Руководство по эксплуатации и установке

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Leased Line Operation
V.34bis Series Standalone & Rackmount Modems
65
DTR
Data Terminal Ready - Lights when the modem receives
signal from the local DTE is online and ready for data, or when
flashing. forced on from the modem, otherwise the LED is
(Also indicates a defective ROM during power up test.)
DSR
Data Set Ready - Flashes when the ring signal is being
received on the telephone line or when responding to RDL.
Lights when the answer tone is received. DSR flashing
indicates originate mode in leased line. (Also indicates a
er up test.) defective RAM during pow
CD
Carrier Detect - Lights when the carrier signal is detected on
the line or when forced on from the modem. (Also indicates a
defective non-volatile memory during power up test.)
TD
response to data transmitted by the Transmit Data - Flickers in
modem.
RD
Receive Data- Flickers in response to data received by the
modem.
HS
High Speed - Lights to indicate the modem operating speed.
Table 4.2 - LED Indicators and Functions (External)
Modem Speed Blink Rate
t t t
V.34
33,600 STEADY
31,200 16
28,800 15
26,400 14
24,000 13
21,600 12
7,200 9
19,200 8
16,800 7
14,400 6
12,000 5
9,600 4
4,800 3
2,400 2
1,200 1