Copyright 2019 ID TECH. All rights reserved.
Document Number: 80145503-001
Page 18 of 32
USB-KB
USB-KB communication may be used when the Augusta is in SecureMag-compatibility mode (magstripe
only). For EMV/ICC-enabled operation, use USB-HID instead.
Device Descriptor:
Field
Value (Hex)
Description (ACR38)
Length
12
Length = 18
Des type
01
bcd USB
00 02
USB 2.0
Device Class
00
Not specific
Sub Class
00
Unused
Device Protocol
00
Unused
Max Packet Size
08
Max Packet Size is 8 bytes
VID
0A CD
PID
38 10 (39 10
for SRED)
BCD Device Release
00 01
i-Manufacture
01
i-Product
02
i-Serial-Number
03
# Configuration
01
Configuration Descriptor:
Field
Value (Hex)
Description
Length
09
Des type
02
Total Length
22 00
No. Interface
01
Configuration Value
01
iConfiguration
00
Attributes
80
Bus power; Without remote wakeup
Power
32
100 mA
Interface Descriptor: (USB-HID)
Field
Value (Hex)
Description
Length
09
Des type
04
Interface No.
00
Alternator Setting
00
# EP
01
Interface Class
03
HID
Sub Class
01
01:boot
Interface Protocol
02
02:keyboard
iInterface
00