user manual

CHAPTER 4 ND-45504 (E)

Page 78-4 Addendum-001

Revision 2.1 JULY, 1998

PN-30DTC/30DTC-A (DTI)

The figure in the SWITCH NAME column and the position in 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 knob to the intended switch position.

Note 2: When the power is on, set the MB switch to ON (UP position) before plugging/unplugging the circuit

card.

JPS

(Jumper pin)

Balanced transmission

(For twisted-pair cable)

DOWN

TA is grounded on the transmission line

(For coaxial cable)

Note 4

JPR

(Jumper pin)

Balanced transmission

(For twisted-pair cable)

DOWN

RA is grounded on the transmission line

(For coaxial cable)

(Jumper pin)

RIGHT

Line impedance: 75 ohms

(For coaxial cable)

Note 4

Line impedance: 120 ohms

(For twisted-pair cable)

Switch Settings

SWITCH

NAME

SWITCH

NUMBER

SETTING

POSITION

FUNCTION CHECK

LEFT