P/N PM000223A • Rev. 1 • ISS 9 August 2017 14
Installation Manual
NU-Series Hardware
System Cabling
The preferred color coding for the cable is shown in the following table. We highly
recommend that you follow this color scheme in your installation.
Table 4 8-pole block connector pin-out (termination is identical on both ends)
2.4.4 Disconnecting a Wire from a Block Connector
To disconnect a wire from a block connector:
1. Carefully place the point of a small screw driver (point approximately 2.5mm wide) on
the relevant orange colored release key of the connection terminals.
2. Firmly push in the key to open the spring-cage connector. See item 1 below.
3. With the release key pressed in, pull the wire from the block. See item 2.
4. Remove the screw driver.
Pin # Pin Description Color Color Abbreviation
1 +V Positive power White/Orange OGWH
2 R Reset Orange OG
3 L_RD LED Red White/Blue BUWH
4 S Set Blue BU
5 C C-line White/Green GNWH
6 L_GR LED Green Green GN
7 L_YL LED Yellow White/Brown BNWH
8 GND Ground Brown BN
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