©
National Instruments Corporation
15
NI SMB-2145/2146/2147/2148 User Guide
Physical
Dimensions............................................. 30.5 cm
×
4.5 cm
×
26.5 cm
(12.0 in.
×
1.77 in.
×
10.43 in.)
Weight .................................................... 1,380 g (48.7 oz.)
I/O connectors ........................................ One 68-pin VHDCI connector,
16 SMB jack connectors,
one banana-style connector
NI SMB-2148
Digital I/O
Digital input channels ............................ 8, single-ended
Digital output channels .......................... 8, single-ended
Typical propagation delay
through NI SMB-2148 ........................... 1.2 ns
Typical channel-to-channel skew........... ±35 ps
Typical trace
characteristic impedance ........................ 50
Ω
Maximum voltage rating ........................ 5.5 V or the maximum input
voltage of the NI 5751 digital
inputs, whichever is less
Physical
Dimensions............................................. 30.5 cm
×
4.5 cm
×
26.5 cm
(12.0 in.
×
1.77 in.
×
10.43 in.)
Weight .................................................... 1,380 g (48.7 oz.)
I/O connectors ........................................ One 68-pin VHDCI connector,
16 SMB jack connectors,
one banana-style connector