NEC NWA-008869-001 사용자 설명서

CHAPTER 2 INSTALLATION

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NWA-008869-001 Rev.1.0

atch2001.fm

The figure in the SWITCH NAME column and the position of

in the SETTING POSITION col-

umn indicate the standard setting of the switch. When the switch is not set as shown by the figure and

, the setting of the switch varies with the system concerned.

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:

To receive a clock signal from MP card, set the SW-1 and SW-2 on all the DTI cards to “OFF”.

SWITCH NAME

SWITCH

NUMBER

SETTING

POSITION

FUNCTION

CHECK

JPS (Jumper pin)

Balanced transmission
(For twisted-pair cable)

LEFT

TA is grounded on the transmission line
(For coaxial cable)

JPR (Jumper pin)

Balanced transmission
(For twisted-pair cable)

DOWN

RA is grounded on the transmission line
(For coaxial cable)

JP (Jumper pin)

RIGHT

Line impedance: 75

(For coaxial cable)

Line impedance: 120

(For twisted-pair cable)

JP1 (Jumper pin)

Always set to DOWN

RIGHT

LEFT

DOWN

INSTALLATION PROCEDURE