Ncu (Usa); Jumpers - Ricoh FAX3700l Service Manual

August 2nd, 1995

2.4.4. NCU (USA)

TIP
RING
T1
R1
T1
R1

1. Jumpers

Item
JP5 These jumpers should be shorted when the machine is connected to a dry
line.
JP6
24
V
Current
Sensor
JP6
NCU
24V
Relay
Description
2-63
DETAILED SECTION DESCRIPTIONS
JP5
OHDISW
Ring Detect
Ext. Tel
DP/Off-Hook
Detection
PCBs
TRXD
OHDISW
Hook0
Hook1
ExRing
ExDI
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