3-40
3.17.3.1 Audio 1
Audio 1 (J316) is a 4-wire function port on the backplane that provides off-hook detection,
level control, E and M-lead signaling, and DTMF and 2-wire handset capabilities.
3.17.3.2 Audio 2
Audio 2 (J317) is a 4-wire function port on the backplane that provides off-hook detection,
level control, and E and M-lead signaling. Audio 2 has no DTMF decoding capabilities.
Recommended connectorized cable assembly – PN 695-4125-026 through 030 (26 AWG 5
pair shielded, jacketed cable with 9-pin D-type connector on each end). See
Figure 3 - 24 for
shelf connector locations and pinout. Refer to Table 3 - 16 for mating cable wiring and color
code.
or
Recommended cable – PN 424-0305-030 (26 AWG 5 pair shielded, jacketed cable) for wire-
wrapping to wirewrap adapter PN 3DH04178AB. See Figure 3 - 25 for pinout.
Table 3 - 16 Audio Mating Cable Wiring and Color Codes
FUNCTION END 1 WIRE COLOR PAIR WIRE COLOR END 2 FUNCTION
AUDIO TIP IN 01 BLACK 1 BLACK 03 AUDIO TIP OUT
AUDIO RING IN 06 RED 1 RED 08 AUDIO RING OUT
AUDIO M LEAD 02 BLACK 2 BLACK 07 AUDIO E LEAD
AUDIO E LEAD 07 WHITE 2 WHITE 02 AUDIO M LEAD
AUDIO TIP OUT 03 BLACK 3 BLACK 01 AUDIO TIP IN
AUDIO RING OUT 08 GREEN 3 GREEN 06 AUDIO RING IN
CALL DETECT 04 BLACK 4 BLACK 04 NOT USED
CALL COMMON 09 BLUE 4 BLUE 09 NOT USED
GND 05 BLACK 5 BLACK 05 GND
NOT USED 10 YELLOW 5 YELLOW 10 NOT USED
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