The Astronics / C&H Technologies VX402C-64 Active Module Carrier adapts VME, VME64, or VXI (A or B size) modules for integration into C-size VXI mainframe chassis. The carrier delivers an actively buffered electrical interface for standard bus signals, ensuring full compliance with VME/VXIbus driving and loading specifications. It supports legacy system upgrades and provides flexible power conditioning options for VME64 modules.
## Technical Specifications
**Bus Compliance**
• VXIbus Specification Revision 1.4 (single-slot C-size modules)
• VMEbus Specification ANSI/IEEE STD 1014-1987, IEC 821, IEC 822
**Address & Data**
• Addressing: A32/A24/A16
• Data transfers: D32/D16 Slave
• Interrupt and trigger support: Yes
**Electrical Interface**
• Active logic buffering for data, address, interrupt, and trigger lines
• ECL and TTL buffered outputs
• Compliant with VME/VXIbus driving and loading specifications
• Pass-through P2 connectors for VME module integration
**Power Supply Options**
VME64 power supplied from VXI backplane or via power converters:
• Option -0001: 37 W combined; +3.3 V from VXI +5 V
• Option -0002: 40 W combined; no +3.3 V supply
• Option -0003: 40 W combined; 23 W +3.3 V from VXI -24 V
• Option -0004: 40 W combined; 23 W +3.3 V from VXI +24 V
• Option -0005: 63 W combined; +5 V from VXI +24 V, +3.3 V from VXI -24 V
All power limited to maximum 1.2 A per VXI power pin. Versions -0003 and -0004 current-limited on ±24 V pins to 1.2 A. All VXI power supplies are fused.
**Physical Dimensions**
• Conforms to VXI Size-C module specification
• Carrier alone: 233.35 mm (9.187 in) high × 156.337 mm (6.155 in) deep
• With adapted VME module: 233.35 mm (9.187 in) high × 340.0 mm (13.386 in) deep
• Designed for 30.48 mm (1.2 in) slot spacing; VME module front panel flushes with adjacent C-size modules
## Key Features
• Active logic buffering ensures spec-compliant signal integrity across VME/VXIbus interfaces
• Multiple power supply configurations support diverse VME64 loading scenarios
• Pass-through connectors preserve full P2 connector functionality
• Fused VXI power distribution for protection
## Typical Applications
• Integration of legacy VME or VME64 modules into VXI C-size chassis environments
• Adaptation of VXI A or B-size modules to C-size mainframes
• System upgrades requiring cross-platform module compatibility
## Compatibility & Integration
Supports VME, VME64, VXI A-size, and VXI B-size modules. Part number: 11028500-xxxx (options denoted by suffix).
