Sentex Infinity - Telephone Interface Board (1100329)

Rev B Doc 6001564 Page 17 of 19
B. 1100329 MODEL TELEPHONE INTERFACE BOARD
Telephone Interface Board (SN1100329)
CLICK LEVEL
VR3
SPEAKER
LEVEL
VR4
HANDSET
TB1
PANEL
SPEAKER
J1
CLICK
DETECT
GROUND
1564F3
LINE
OFF HOOK
RING
CLICK LEVEL
Daughter Board (SN1110080)
TELCO LINE
MIC
SENS
PANEL
MIC
LINE BAL 2
LINE BAL 1