Nisshin Electric - NTT Subscriber's Protector with LB for 4W Dedicated Line

NTT Subscriber's Protector with LB
for 4W Dedicated Line
(NTT specification No.520203-1)

NTT subscriber's protector with LB for
- 4W analog dedicated line
- 4W digital dedicated line

107(W) X 138(H) X 40(D) mm

Protecting unit with LB for
- 4W analog dedicated line
- 4W digital dedicated line
NTT Subscriber's Protector with LB for 4W Dedicated Line

72(W) X 48(H) X 25(D) mm

NTT Subscriber's Protector with LB for a 4W Dedicated Line is a protector with both protecting and LB functions. Analog and digital types are available. It is installed at the subscriber's drop.

In protecting performance, it is equivalent to the NTT subscriber's protector, model No. 6.
It is equipped with a loop back function for a 4W dedicated line.

Articles	Applications
NTT subscriber's protector with LB for 4W analog dedicated line	One-line analog dedicated line subscriber. Outdoor use
NTT subscriber's protector with LB for 4W digital dedicated line	One-line digital dedicated line subscriber. Outdoor use
Protecting unint with LB for 4W analog line	6SUB6B and 6SUBTB
Protecting unint with LB for 4W digital line	6SUB6B and 6SUBTB
Note: 6SUB6B and 6SUBTB can be equipped with three and two protecting units, respectively.