250 / Connecting the wiringModular ICS 6.0 Installer Guide P0992638 03BRI S or T wiring is polarity sensitive.Tx and Rx are Transmit and Receive for Norstar.17 Orange-Yellow ---- ---- ---- ---43 Yellow-Green ---- T ET1 ---18 Green-Yellow ---- R ET1 ---44 Yellow-Brown ---- T ET2 ---19 Brown-Yellow ---- R ET2 ---45 Yellow-Slate ---- ---- ---- ---20 Slate-Yellow ---- ---- ---- ---46 Violet-Blue ---- ---- ---- ---21 Blue-Violet ---- ---- ---- ---47 Violet-Orange ---- ---- ---- ---22 Orange-Violet ---- ---- ---- ---48 Violet-Green ---- ---- ---- ---23 Green-Violet ---- ---- ---- ---49 Violet-Brown ---- ---- ---- ---24 Brown-Violet ---- ---- ---- ---50 Violet-Slate ---- ---- ---- ---25 Slate-Violet ---- ---- ---- ---ICS U Interface Cards wiringPin Wire color Port(loop)Service Lines(U-NT)Terminal equipment(U-LT)26 White-Blue 201 T 001-002 Assigned DN1 Blue-White 201 R 001-002 Assigned DN27 White-Orange 202 T 003-004 Assigned DN2 Orange-White 202 R 003-004 Assigned DN28 White-Green ---- ---- ---- ----3 Green-White ---- ---- ---- ----29 White-Brown ---- ---- ---- ----4 Brown-White ---- ---- ---- ----30 White-Slate 203 T 005-006 Assigned DN5 Slate-White 203 R 005-006 Assigned DN31 Red-Blue 204 T 007-008 Assigned DN6 Blue-Red 204 R 007-008 Assigned DN32 Red-Orange ---- ---- ---- ----7 Orange-Red ---- ---- ---- ----ICS ST Interface Cards wiring (Continued)Pin Wire color Port (loop) Service Lines (T-loop)Terminalequipment(S loop)
