Summary
RDD-1580 network player. ASCII RS-232 protocol. No hardware flow control. Commands terminated by !. Responses terminated by ! or variable-length byte count. All commands uppercase, no spaces.
Transport
protocols:
- serial
serial:
baud_rate: 115200
data_bits: 8
parity: N
stop_bits: 1
flow_control: none
auth:
type: none # inferred: no auth procedure in source
Traits
- powerable # power_on/off/toggle present
- routable # source selection commands present
- queryable # feedback request commands present
Actions
- id: power_on
label: Power On
kind: action
params: []
command: power_on!
response: power=on!
- id: power_off
label: Power Off
kind: action
params: []
command: power_off!
response: power=standby!
- id: power_toggle
label: Power Toggle
kind: action
params: []
command: power_toggle!
response: power=on/standby!
- id: select_coax1
label: Source Coax 1
kind: action
params: []
command: coax1!
response: source=coax1!
- id: select_coax2
label: Source Coax 2
kind: action
params: []
command: coax2!
response: source=coax2!
- id: select_opt1
label: Source Optical 1
kind: action
params: []
command: opt1!
response: source=opt1!
- id: select_opt2
label: Source Optical 2
kind: action
params: []
command: opt2!
response: source=opt2!
- id: select_usb
label: Source Front USB
kind: action
params: []
command: usb!
response: source=usb!
- id: select_pc_usb
label: Source PC-USB
kind: action
params: []
command: pc_usb!
response: source=pc_usb!
- id: play
label: Play
kind: action
params: []
command: play!
response: play_status=play!
- id: pause
label: Pause
kind: action
params: []
command: pause!
response: n/a
- id: track_fwd
label: Track Forward / Tune Up
kind: action
params: []
command: track_fwd!
response: n/a
- id: track_back
label: Track Backward / Tune Down
kind: action
params: []
command: track_back!
response: n/a
- id: random_toggle
label: Random Play Mode Toggle
kind: action
params: []
command: random!
response: n/a
- id: repeat_toggle
label: Repeat Play Mode Toggle
kind: action
params: []
command: repeat!
response: n/a
- id: pcusb_class_1
label: Set PC-USB Audio Class 1.0
kind: action
params: []
command: pcusb_class_1!
response: pcusb_class=1!
- id: pcusb_class_2
label: Set PC-USB Audio Class 2.0
kind: action
params: []
command: pcusb_class_2!
response: pcusb_class=2!
Feedbacks
- id: product_type
label: Product Type
type: string
command: get_product_type!
response_pattern: "product_type=##,text"
example: "product_type=08,RDD-1580"
- id: product_version
label: Main CPU Software Version
type: string
command: get_product_version!
response_pattern: "product_version=##,text"
example: "product_version=06,V1.1.4"
- id: tc_version
label: Front USB Software Version
type: string
command: get_tc_version!
response_pattern: "tc_version=##,text"
example: "product_version=06,V500BT" # note: source document has typo, says product_version instead of tc_version
- id: current_power
label: Power Status
type: enum
values: [on, standby]
command: get_current_power!
response_pattern: "power=on!/power=standby!"
- id: current_source
label: Current Source
type: enum
values: [coax1, coax2, opt1, opt2, usb, pc_usb]
command: get_current_source!
response_pattern: "source=coax1!/source=coax2!/source=opt1!/source=opt2!/source=usb!/source=pc_usb!"
- id: pcusb_class
label: PC-USB Audio Class
type: enum
values: [1, 2]
command: get_pcusb_class!
response_pattern: "pcusb_class=1!/pcusb_class=2!"
- id: current_freq
label: Digital Input Frequency
type: enum
values: [off, 32, 44.1, 48, 88.2, 96, 176.4, 192]
unit: kHz
command: get_current_freq!
response_pattern: "freq=off!/freq=32!/freq=44.1!/freq=48!/freq=88.2!/freq=96!/freq=176.4!/freq=192!"
- id: play_status
label: Play Status (Front USB only)
type: enum
values: [play, stop, pause]
command: get_play_status!
response_pattern: "play_status=play!/play_status=stop!/play_status=pause!"
Variables
# UNRESOLVED: no standalone settable parameters apart from discrete actions
Events
# UNRESOLVED: no unsolicited event notifications described in source
Macros
# UNRESOLVED: no multi-step macros described in source
Safety
confirmation_required_for: []
interlocks: []
# UNRESOLVED: no safety warnings or interlock procedures in source
Notes
- Commands must not include spaces or trailing CR/LF — only
!terminator - Variable-length responses use byte-count prefix (2-digit length +
,+ text); may contain!character — parsing must handle this - RS-232 hardware does not support flow control; packet loss possible under high traffic
- Source doc v1.00 dated December 26, 2013
Provenance
source_domains:
- rotel.com
source_urls:
- "https://www.rotel.com/sites/default/files/product/rs232/RDD1580%20Protocol.pdf"
retrieved_at: 2026-05-22T14:20:41.264Z
last_checked_at: 2026-06-12T19:35:21.495Z
Verification Summary
verdict: verified
checked_at: 2026-06-12T19:35:21.495Z
matched_actions: 17
action_count: 17
confidence: medium
summary: "All 17 spec actions matched verbatim in source control command list; transport parameters verified in connection settings table. (7 unresolved item(s) noted in Known Gaps.)"
Known Gaps
- "no standalone settable parameters apart from discrete actions"
- "no unsolicited event notifications described in source"
- "no multi-step macros described in source"
- "no safety warnings or interlock procedures in source"
- "firmware compatibility range not stated"
- "binary command encoding not used — ASCII only"
- "transport port not applicable (serial-only device)"
From the AI4AV catalog (https://ai4av.net) · ODbL-1.0