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232-STSi Specifications
Physical
Size: 8.5" [216mm] wide x 1.75" [38mm] height (1RU) x 6.0" [153mm] deep
Weight: 1.5 lbs [0.68kg]
Enclosure: All aluminum with durable black powder coat paint
Mounting: Rack mounting for one or two units side-by-side optional (RK1, RK2)
Front Panel
RS-232 LEDs: Yellow LEDs light when RS-232 data is transmitted (TX) or received (RX)
Mute A/V: Mutes audio and video (blanks video)
Mute LED: Red LED lights when A/V is muted
Volume: Up and down buttons raise and lower volume, select modes for front-panel programming
Channel: Up and down buttons select programs from stored tuning ring
IR LED: Red LED lights when receiving IR data, internal IR sensor below or from external sensor
Discrete codes available for power, TV and external AV
Display: Red LED 3 digit, 7 segment LED display for channels and modes, Stereo LED shows Stereo and Dual operation
Rear Panel
Power In: 2.1mm coaxial jack (inside center conductor positive), 475 mA maximum
11.0 to 14.5 VDC, 12 VDC typical (may be unregulated)
RS-232 Control: DB-9 male connector
User selectable 300 to 19,200 baud (9600 default) baud, 8 data bits, no parity, 1 stop bit
Employs standard ASCII strings from any terminal program, PC, or control system
2 momentary closure inputs - Channel Up (Pin 4), Down (Pin 9), GND (Pin 5)
IR In: 3.5 mm stereo input for external IR sensor or wired IR (no carrier)
GND: Grounding lug
Antenna/Cable: IEC, female, 75 ohm impedance
Video Input: RCA female, 75 ohm impedance
Audio Inputs: 2 RCA female stereo unbalanced, 20K ohms impedance
Maximum level +8dBu, (2V RMS), Reference: 0 dBu = .775 V RMS
Video Output: RCA composite output, 1V p-p at 75 ohm impedance,
S-Video Output: Mini DIN 4-pin, Y - 1V p-p at 75 ohms, C - 0.3 V p-p at 75 ohms (PAL only)
Audio Outputs: 5-Pin captive screw terminal, stereo, 200 ohm balanced/100 ohm unbalanced impedance
Selectable for A2/NICAM stereo, mono A, mono B and Dual A/B modes
Stereo/Dual: Total Harmonic Distortion (THD): 0.6% maximum, 0.3% typical
Response: 30Hz to 14KHz, Channel Separation: 40dB minimum, 45dB typical
Mono: Total Harmonic Distortion (THD) 0.6%, 0.2% typical
Response: 20Hz to 20KHz
Level: +4 dBu (1.2V RMS) balanced, 0 dBu (.8V RMS) unbalanced, typical at max volume
+11.5 dBu (2.9V RMS) balanced, +8 dBu (2V RMS) unbalanced peak max output
Volume control: 0 to -62 dB and mute in 64 steps
Tuner
Frequency 48 to 863 MHz, 50 KHz fine tune resolution
PAL: PAL B, G, H, D, K, and I
SECAM: L, B, G, H, D, K
No closed captioning, on-screen text or blue screen, or S-Video
Channel Plan: Alternate arrangements for mapping frequencies to channel numbers are available
Maximum Input: +6dBmV max, +4dBmV nominal
Video Gain: ±5% maximum, 2% typical
Video Phase: ±3 degrees maximum, 2 degrees typical
Internal Character Generator (PAL only)
Characters: ASCII with international symbols
Format: White text over video or white text with black background over video, up to 32 characters, 15 lines
Function: Closed captioning, channel labels, interactive menus, messages, and system feedback
Captioning: Line 22 modes CC1-CC4, TT1-TT4, On/On with Mute/Off modes, CG text times out to show captioning
Muting: Displays blue video image when loss of video is sensed
Includes
12 VDC power supply, 850 mA, 110/220, includes adapters for Euro, UK, Australian or US-style plugs
Captive-screw terminal to RCA stereo adapter
Options
IC-RC Wireless IR Remote, IR-RXC External IR Receiver also available, accepts Xantech
®
and other IR sensors
RK1 Kit for mounting single unit in 19" rack
RK2 Kit for mounting two units side-by-side in 19" rack
Contemporary Research
• 17630 Davenport Rd., Suite 113 • Dallas, TX 75252
Phone: 972-931-2728
• Toll Free: 888-972-2728 • Fax: 972-931-2765
Doc 5042-025 1005 © 2005, specifications subject to change without notice
232-STSi Back Panel
RCA Stereo Adapter