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TROUBLESHOOTING LBI-38988
Rev. B 31
Table 15 - Interface Status During Various States (Continued)
SIGNAL STATE STATUS
Working Channel (Active): Handshake Mode
Vol/Sq (J7-2) Data Listening to High Speed handshake.
RUS In (J7-14) N/A RUS activity is being ignored during the handshake.
Rus Out (J7-15) L/H Receiver is muted (no receiver audio to the transmitter) until call is
validated.
RPT Inhibit (1950 DIS) (J6-5) Low If a Voting system, this line is low during a Control Channel. The 1950
tone is present on the Line Output.
Rem PTT (J7-9) N/A If inbound call is from console or IMC this signal will be considered after
channel is assigned.
Delay PTT (J6-1) High Transmitting High speed data (handshake).
Rem PTT (J6-16) High No calls from the remote line allowed until channel is assigned.
DET DIS (J6-10) High Transmitting high speed data, low speed data disabled.
MOD Out (J7-4) Data High speed data (handshake) to be transmitted is sent to the station on this
line now. (Simulcast Remote Transmit Site.)
CG HI (J7-4) Data No Low speed data until channel is assigned.
Phone lines (J6 6, 7, 8, & 9) Analog If Voter or Simulcast, these lines contain modem communication between
the Voter and Main Site/Control Point GETCs, otherwise inactive.
Working Channel (Active): During Analog Call
Vol/Sq (J7-2) Analog Voice and Low speed data from the receiver on this line. GETC listening to
Low speed data.
RUS In (J7-14) Low Carrier activity indicated.
Rus Out (J7-15) High Receiver is unmuted. Receiver audio is routed to the transmitter.
RPT Inhibit (1950 DIS) (J6-5) High If a Voting system, this line is high (+5 Vdc) during a Clear Voice Working
Channel. The 1950 Hz tone is muted and voice audio is present on the Line
Output.
Rem PTT (J7-9) H/L If inbound call from console or IMC this line is pulled low, after channel is
assigned, as a result of 2175 Secur-it-Hold on the line input to the station.
Delay PTT (J6-1) High Transmitting.
Rem PTT (J6-16) H/L If call is from the remote line this line is Low which routes transmitter audio
from the line input.
DET DIS (J6-10) Low High speed data disabled, low speed data enabled.
MOD Out (J7-4) Data No High speed data is sent to the station on this line now.
CG HI (J7-4) Data Low speed data is being transmitted for the duration of the call.
Phone lines (J6 6, 7, 8, & 9) Analog If Voter or Simulcast, these lines contain modem communication between
the Voter and Main Site/Control Point GETCs, otherwise inactive.