Ncu (Usa) - Ricoh Aficio FX10 Service Manual

June 10th, 1997

2.4.3. NCU (USA)

1. Jumpers
Item
JP5 These jumpers should be shorted when the machine is connected to a dry
line.
JP6
TIP
Current
RING
Sensor
N C U
Relay
T1
R1
Description
2-51
DETAILED SECTION DESCRIPTIONS
JP5
O H D I S W
24V
JP6
Q 6
24V
Ring Detect
Ext. Tel
DP/Off-
Hook
Detection
PCBs
TRXD
OHDISW
Hook0
Hook1
Ex Ring
RITONE
Ex TDI
Q 5
C M L S W
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