Appendix A
Specifications
A-6
ni.com
Backplane
Size .........................................................3U-sized; one system slot
(with three system expansion
slots) and 13 peripheral slots.
Compliant with IEEE 1101.10
mechanical packaging.
PXI Hardware Specification,
Revision 2.1 compliant.
Accepts both PXI and
CompactPCI (PICMG 2.0 R 3.0)
3U modules.
V(I/O)
1
....................................................+5 V
Backplane bare-board material ...............UL 94 V-0 Recognized
Backplane connectors .............................Conforms to IEC 917 and
IEC 1076-4-101, and are
UL 94 V-0 rated
10 MHz System Reference Clock (10 MHz REF)
Maximum clock skew
between slots...........................................250 ps
Built-in 10 MHz clock
Accuracy..........................................±25 ppm (guaranteed over the
operating temperature range)
Maximum jitter................................5 ps RMS in 10 Hz to 1 MHz
range
External clock sources
Connectors.......................................BNC on rear of chassis (ground
referenced) or slot 2 J2 (pin D17;
refer to Table B-4,
Connector Pinout for the Star
Trigger Slot
1
V(I/O) is connected to the +5 V DC power plane, so the same specs apply to V(I/O) and +5 V.
