Interface Specifications - Toshiba e-STUDIO477S Service Manual

1.5 Interface specifications

1.5.1 Specification of USB interface
1.5.1.1 General of USB interface
(1) Spec.
USB(Hi-speed USB is supported)
(2) Transmission mode
Full speed (Maximum 12 Mbps ± 0.25%)
High speed (Maximum 480 Mbps ± 0.05%)
(3) Power control
Self power device
1.5.1.2 Connector and cable of USB interface
(1) Connector
• Printer side: B Receptacle (female)
Up-stream port
UBB-4R-D14C-4D(LF)(SN)(JST Mfg. Co.,Ltd) or equivalent
Connector pins array
2
3
• Cable side: B plug(male)
45387101TH Rev.1
1
4
(2) Cable
The length of the cable: the cable of less than 5m with USB 2.0 spec.
(Less than 2m is recommended)
(Please use the shielded wire for the cable.)
1.5.1.3 USB Interface signal
Signal name
1 Vbus
2 D-
3 D+
4 GND
Shell Shield
1. Configuration
Function
Power (+5V)
For data transmission
For data transmission
Signal ground
1-13 /