FIELD: electronic communications.
SUBSTANCE: device has commutation field, control panel, horizontal lines selecting block, vertical lines selecting block and indication block, while commutation field with capacity for N inputs and M outputs is made in form of rectangular matrix with dimensions N×M of polarized relays, having except working contacts also one service contact couple for closing, commutation field additionally includes N×M first diodes and N×M second diodes, control panel has input number detector, output number detector, Connect command indicator, Disconnect command indicator, and Control command indicator, horizontal lines selecting block has N commutation groups, and vertical lines selecting block has M commutation groups, while each commutation groups consists of three contact couples for closing, indication block has N input indication elements and M output indication elements with appropriate interconnection circuit for them.
EFFECT: higher trustworthiness, higher speed of operation.
1 dwg
Title | Year | Author | Number |
---|---|---|---|
AUTOMATED CROSS COMMUTATOR | 2003 |
|
RU2248104C2 |
REMOTELY CONTROLLED CROSS COMMUTATOR | 1996 |
|
RU2107411C1 |
DEVICE FOR CHECKING JACK FIELD | 0 |
|
SU1233298A1 |
CORDLESS CROSS-SWITCHING DEVICE FOR CHANNELS | 2001 |
|
RU2214067C2 |
DEVICE FOR CHECKING SWITCHING FIELD | 0 |
|
SU1515391A1 |
0 |
|
SU308536A1 | |
DEVICE FOR CHECKING CONNECTIONS IN SWITCHING SYSTEM | 2003 |
|
RU2250572C1 |
SWITCHING DEVICE | 0 |
|
SU999161A1 |
DEVICE FOR SUPERVISORY DUPLEX COMMUNICATION | 0 |
|
SU1293853A1 |
0 |
|
SU462312A1 |
Authors
Dates
2005-04-27—Published
2003-10-30—Filed