Ricoh FAX2000L - Ncu (Usa;Taiwan)

PCBS 30 November, 1999
2-42
2.4.3 NCU (USA/TAIWAN)
Jumpers
Item Description
JP5
JP6
These jumpers should be shorted when the machine is connected to a
dry line for back-to-back tests.
BR1 Also remove BR1 when the machine is connected to a dry line.
Ring Detect
RING
TIP
OHDISW
Hook0
Hook1
Ex Ring
JP5
Ex TDI
Ext. Tel
DP/Off-
Hook
Detection
Current
Sensor
24V
CMLSW
RITONE
Q6
Q5
Relay
24V
OHDISW
JP6
T1
R1
TRXD
NCU
BR1
H545D550.WMF