Installation manual

210 20/10/2004 PS10270JENAA01

DTOC (HJ3787B)

Description of the card

This card detects the busy tone. One card of this type can be mounted on the LR4 for each trunk

line.

Description of the switches

CA1.1, CA1.2, and CA1.3: these switches are used to configure the card to suit the tones used

in different countries. These switches are pre-set.

CA1.4: this switch is used to modify the sensitivity of the DTOC card.

Description of lights

There are no lights on this card.

CA1.4 Sensitivity [dBm]

OFF -3 to -25 (factory setting)

ON -3 to -32

CA1