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APPENDIX C
M-LEAD
SENSOR
(ISOLATED)
M-LEAD
OUT
GND
M
-12 V
- BATT
SB
-12 TO
-48 V
TERMINATING
EQUIPMENT
VOICE
CHANNEL
SG
M
PTC
BATT
BATT
M
D
INT
INT
A
B
C
B
C
X1 ON VOICE II/ASP CHANNEL MODULE AND UNIVERSAL
VOICE CARD
X1 ON VLBRV & CELP CHANNEL MODULE
X4 ON UNIVERSAL VOICE II/CVSD CHANNEL MODULE
X4 ON VOICE II/PCM & ADPCM CHANNEL MODULES
X2 ON VOICE II/ASP CHANNEL MODULE AND UNIVERSAL
VOICE CARD
X2 ON VLBRV & CELP CHANNEL MODULE
X5 ON VOICE II/CVSD CHANNEL MODULE
X3 ON VOICE II/PCM & ADPCM CHANNEL MODULES
X3 ON VOICE II/ASP CHANNEL MODULE AND UNIVERSAL
VOICE CARD
X3 ON VLBRV & CELP CHANNEL MODULE
X6 ON VOICE II/CVSD CHANNEL MODULE
X5 ON VOICE II/PCM & ADPCM CHANNEL MODULES
NOTE: X2, X6 AND X10 ON EAM-1 PIGGYBACK
BOARD IN U.S. POSITION.
X4 AND X9 ON UNIVERSAL VOICE CARD IN U.S.
POSITION.
P1
—
A
+
BUSY
IDLE
TYPE-II SIGNALING
FIGURE C-2. M-LEAD SIGNALING INTERFACE,
TYPE-II SIGNALING
C-2