Control signals, line and acoustic signals of the single frequency signalling system for the trunk and intrazone telephone network. Electrical parameters and measuring methods

Description in Russian:
Сигналы управления, линейные и акустические сигналы одночастотной системы сигнализации для междугородной и внутризоновой телефонной сети. Электрические параметры и методы измерений

Document status:

Active

Format:

Electronic (PDF)

Page count:

Delivery time (for English version):

4 business days

Delivery time (for Russian version):

1 business day

SKU:

GOST38342

GOST 23595-79

Control signals, line and acoustic signals of the single frequency signalling system for the trunk and intrazone telephone network. Electrical parameters and measuring methods

Customers who bought this item also bought