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USB specifications
Table 4-5. USB specifications
USB "B" connector Input
USB device type USB 2.0 (full-speed)
Device compatibility USB 1.1, USB 2.0
USB "A" connector Downstream hub output port
Supports USB 2.0 high-speed, full-speed and low-speed operating points USB hub type
Self-powered, 100 mA max downstream VBUS capability
Compatible products Other UCERB products
USB cable type (upstream and
downstream)
A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND,
min 28 AWG D+/D-)
USB cable length 3 meters max.
Relay contact pull-up/down option
Table 4-6. Relay pull-up/pull-down specifications
R35, R36, R41, R43, R45, R47, R49, R51, R87, R89, R91, R93, R96,
R98, R100, R102, R103, R105, R107, R109, R112, R114, R116, R118
Relays NO contact pull-up (to USB +5
V) / pull-down, user installed.
R37, R40, R42,R44, R46, R48, R50, R52, R88, R90, R92, R94, R95,
R97, R99, R101, R104, R106, R108, R110, R111, R113, R115, R117
Relays NC contact pull-up (to USB +5
V) / pull-down, user installed
Mechanical
Table 4-7. Mechanical specifications
431.8 mm (L) x 121 mm (W) x 20.3 mm (H)
Card dimensions
17.0" (L) x 4.8" (W) x 0.8" (H)
436.9 mm (L) x 132.1 mm (W) x 40.6 mm (H) Enclosure dimensions
17.2" (L) x 5.2" (W) x 1.6" (H)
Environmental
Table 4-8. Environmental specifications
Operating temperature range
0 to 70 °C
Storage temperature range -40 to 100 °C
Humidity 0 to 95% non-condensing
Main connector
Table 4-9. Main connector specifications
Connector type Screw terminal
Wire gauge range 12 to 22 AWG
CyberResearch
®
Digital I/O UCERB 24
CyberResearch, Inc. 21
25 Business Park Drive P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA www.cyberresearch.com