DIRECTV Set-Top Box Information for the Installer
DIRECTV, Inc.
March 5, 2008
Version 2.2
Page 8 of 42
DTV-MD-0058
3 Data Port Connectors
Table 3-1 shows what type of connector and data rate the STB data port has.
Table 3-1: Type of Data Port Connector
STB Model Type of Data Port Connector
Data Rate (baud)
D10 RJ22
9600
D11 USB
9600
D12 USB
9600
H10 RJ22
9600
R15 USB
9600
R16 USB
9600
H20 USB
9600
H21 USB
9600
HR20 USB
9600
HR21 USB
9600
HR21P
USB and DB-9F
9600
3.1 USB 2.0 Data Ports
All new DIRECTV STBs have USB 2.0 data ports. The STB USB port has a host configuration. Serial
commands are interfaced through the data port using a USB-Serial adapter. The following RS-232-
compatible serial port adapters will be supported:
Table 3-2: USB-Serial Adapter
Manufacturer
Model
USB Vendor ID USB Product ID
IOGEAR GUC232A
0x067B
0x2303
ATEN UC-232A
0x067B 0x2303
BAFO BF-810
0x067B 0x2303
The USB port on most STBs support hot-plug. That means USB ports will work any time when a
USB-serial adapter is plugged in. Only the HR20 and HR21 USB ports works differently. The USB-
serial adapter must be plugged before the STB is booted. If the USB connector is plugged in when the