Toa N-8000MI - Manual (Page 14)

14
[Connecting to the PBx's OD trunk]
Connect the PBX's transmitting line to the unit's RX terminal, and the PBX's receiving line to the TX terminal.
Also connect the PBX's M (Mouth) line to the unit's E (Ear) terminal, and the PBX's E line to the M terminal.
CH1
M
TX RX C
E M
TX RX C
E
CH2
N-8000MI's PBX interface terminal
To PBX OD trunk's transmitting line (T2)
To PBX's ground point
To PBX OD trunk's M and E lines
To PBX OD trunk's receiving line (R2)
2 channels
To PBX OD trunk's transmitting line (T1)
To PBX's ground point
To PBX OD trunk's M and E lines
To PBX OD trunk's receiving line (R1)
[Connecting to the Intercom's Tie-Line Unit]
Connect the intercom's transmitting line to the unit's RX terminal, and the receiving line to the TX terminal.
CH1
M
TX RX C
E M
TX RX C
E
CH2
N-8000MI's PBX interface terminal
To Intercom's transmitting
line (T1)
To Intercom's receiving
line (R1)
To Intercom's transmitting
line (T2)
To Intercom's receiving
line (R2)
2 channels
Note
Do not ground the Functional earth terminal (No. 6 on p. 8) in this PBX connection.