 PURVIS Systems has designed a set of electromechanical bypass type switch modules for MIL-STD-1397 Naval Tactical Data System (NTDS) Type E (Low Level) Serial interfaces. Each module accommodates the full duplex, Input and Output, data channel of an NTDS device. The modules slide into the Multiport Switch Enclosure along with a Master Controller Module or Slave Controller Module.
Module Configurations:
- P/N 220-140000-409 Two Position (1x2)
- P/N 220-240000-409 One Position and One Common
- P/N 220-340000-409 Double Common
- P/N 220-440000-409 One Position
- P/N 220-540000-409 Single Common
- P/N 220-640000-409 Single Common plus Two Position (1x2)
These six modules are combined to create switch configurations from one to eight positions (A to H). All modules are designed to allow a customer to modify his or her switching configuration on-site.
The switch position modules contain one or two printed circuit boards and associated panel connectors. Each printed circuit board will switch a full duplex NTDS I/O channel. Switch position modules are joined together using two P/N 220-050000-327 coax jumpers.
Switch position modules require one of three common modules. There is a single common, a dual common and a single common two position and single common one position module. Common modules connect directly to switch position modules.
Operating Features:
- User Configurable
- Full Duplex connections
- Transparent to the devices being switched
- Complete disconnect between the source and destination devices
- Maintain position on power loss
- Remote and manual control
- Open switch positions terminated to 50 Ohms
- Panel Connectors are BJ80 Triax bayonet type
Applications:
- Reconfiguration of Systems/Equipment
- Equipment Protection
- Security
- Redundancy
- Reduce costs through equipment sharing
Switch Characteristics:
- Number of Switched Paths 1 or 2 (2 or 4 cables)
- Maximum Switch Voltage Bi-polar ± 0.6 V nominal
- Path Off Resistance 50 Ohms
- Latching Contacts
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