39
MINI-MODEM (33.6 KBPS DATA/FAX MODEM)
• 14: 14,400 bps. The 14 LED lights by itself when
the modem connects at 14,400 bps. The 14 LED
lights or blinks in combination with the 28 LED
to indicate speeds between 16,800 and 26,400 bps
(see the table on
page 41
). It lights together with
the 96 LED to indicate a speed of 12,000 bps.
• 96: 9600 bps. The 96 LED lights when the modem
connects at 9600 bps. If no speed LED lights, the
modem is operating at less than 9600 bps.
• OH: Off-Hook. The OH LED lights when the
modem is off-hook, which occurs when the
modem is dialing, online, or answering a call.
The LED flashes when the modem pulse-dials.
• TR: Terminal Ready. The TR LED lights when
a datacomm program initializes the modem. It
means the modem is ready for an outgoing or
incoming call. It goes off when the datacomm
program disconnects the COM port. When it goes
off, a connected modem will disconnect. The state
of the TR LED matches that of the DTR circuit on
pin 20 of the RS-232C/V.24 interface.
• EC: Error Correction (V.42). The EC LED lights
continuously when the modem is in error-
