Pin Assignments
RJ45 Connector for Trunk Use
No. Signal Name Level [V] Function
1-2 Reserved – –
3 TX1 (+) Transmit data 1
4 RX2 (+) Receive data 2
5 RX1 (-) Receive data 1
6 TX2 (-) Transmit data 2
7-8 Reserved – –
RJ45 Connector for Extension Use
No. Signal Name Level [V] Function
1-2 Reserved – –
3 RX2 (+) Receive data 2
4 TX1 (+) Transmit data 1
5 TX2 (-) Transmit data 2
6 RX1 (-) Receive data 1
7-8 Reserved – –
LED Indications
Indication Colour Description
CARD STATUS Green/Red Card status indication
• OFF: Power Off
• Green ON: Normal (all ports are idle)
• Green Flashing (60 times per minute): Normal (a port is in use)
• Red ON: Fault (includes reset)
• Red Flashing (60 times per minute): Out of Service
LINE 2
LINE 1
Green Line status indication (LINE 1 and LINE 2):
Refer to "LINE LED Pattern" below for details.
LINE LED Pattern
Layer 1 Layer 2
Master
Clock
LED Pattern
OFF OFF OFF
Installation Manual 75
3.5.4 BRI2 Card (KX-NCP1280)
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