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2.2.3
External KP connection
Note: External KP levels are follows:
• Input: 5 to 12 V
• Output: 12 V
KP input
To synchronize the KP (Keying Pulse) signal from external equipment, use the #4 and
#5 pins of the P22 (TRIG-I/O).
Transceiver
unit
TRIG_OUT_O
TRIG_OUT_N
TRIG_IN_P
TRIG_IN_N
KP output
To output the KP signal from the transceiver unit to external equipment, use the #4
and #5 pins of the P22 (TRIG-I/O).
Transceiver
unit
TRIG_OUT_O
TRIG_OUT_N
TRIG_IN_P
TRIG_IN_N
TRIG-I/O
P22
SHIELD
KP signal
P
KP signal
TRIG-I/O
P22
SHIELD
P
External equipment
External equipment
2. WIRING
2-9
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