– 412 – NWA-008841-001 Rev.5.0
90ch3003.fm
NOTE 1: Set the groove on the switch to the desired position.
NOTE 2: When the power is on, flip the MB switch to ON (UP position) before plugging/unplugging the
circuit card.
NOTE 3: When the PBX is a clock source office, set the SW2-1 and SW2-2 on all the CCT/DTI/PRT cards
mounted in PIM0 to “OFF”.
Continued on next page
SWITCH NAME
SWITCH
NUMBER
SETTING
POSITION
FUNCTION
CHECK
JP1 (Jumper pin)
RIGHT
Set the line impedance.
LEFT
JP2 (Jumper pin)
RIGHT
LEFT
JP3 (Jumper pin)
RIGHT
Balanced transmission
(For twisted-paire cable) (for T1/E1)
LEFT
Unbalanced transmission
(For coaxial cable) (for E1)
JPRI (Jumper pin)
Not used
JPR (Jumper pin)
RIGHT
Neutral grounding on the receiving line
is provided.
Neutral grounding on the receiving line
is not provided.
JPT (Jumper pin)
RIGHT
Neutral grounding on the transmitting
line is provided.
Neutral grounding on the transmitting
line is not provided.
JP1 JP2 LINE IMPEDANCE
LEFT RIGHT 100Ω (for T1)
LEFT LEFT 110Ω (for T1)
RIGHT RIGHT 120Ω (for E1)
RIGHT LEFT 75Ω (for E1)
LEFT
LEFT
LEFT
JULY/15/2007
PN-DTA (CCT/DTI/PRT)
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