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