Wiring diagrams   |   Audio multipairs   |   ROUND AUDIO CONNECTORS TOURLOCK ROUND AUDIO CONNECTOR SYSTEMS 85-PIN Female Wiring Side ØA +0 -0.15 K ±0.2 L ±0.3 M +0.4 -0 ØN max. R ±0.1 S ±0.3 T H13 65.5 4 37.3 22.2 59 55.6 69.8 4.3 separate grounding up to 28 channels, overall shielding (PE) on Pin BV Ch. No. Hot + Cold - Gnd. (shield) 1 A B C 2 E F H 3 J K L 4 N P R 5 S T U 6 X Y Z 7 a b c 8 d f g 9 h i j 10 k m n 11 p q r 12 t u v Ch. No. Hot + Cold - Gnd. (shield) 13 w x y 14 z AA AB 15 AC AD AE 16 AF AH AJ 17 AK AL AM 18 AP AR AS 19 AT AU AV 20 AW AX AY 21 AZ BA BB 22 BC BD BE 23 BJ BK BL 24 BM BN BP Overall shielding: BV Ch. No.   25+ BS 25- BT 25G BU 26+ BF 26- BH 26G BR 27+ M 27- V 27G W 28+ D 28- s 28G AN