User's Manual
3-25
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, DTMF, and 2-wire handset capabilities.
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 3-17 for shelf
connector locations and pinout. Refer to Table 3-6 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 3-18 for pinout. Refer to
Table 3-6 for mating cable wiring and color code.
Figure 3-17 Audio Connectors Location and Pinout
J315
J301
J313
J308 J309
J310
J312
J318
J305
J316 J317
J302
51
96
CALL DETECT
J316/J317
FRONT VIEW
GND
AUDIO TIP OUT
M LEAD
AUDIO TIP IN
E LEAD
AUDIO RING IN
AUDIO RING OUT
CALL COMMON
J307 J312J308 J309
J316 J317
LMW-7238
02/23/04