Wegener Communications UNITY 4600 - Manual (Page 12)

U NITY 4600 U SER ’ S M ANUAL
800032-01 Rev. F 4 www.wegener.com
Composite Video Output (Cont.)
L/C Delay Inequality ≤ ±26 ns
Line Time W-form Distortion ≤ 1.0 IRE p-p
Field Time W-form Distortion ≤ 3 IRE p-p
Video SNR Weighted ≥ 56 dB
VBI Data Re-insertion EIA 608 closed captioning & XDS from ATSC and also Harmonic and
Tandberg proprietary protocols
Audio Output
Output Level-MAX PPL +18.0 dBm into 600 ohms @ 0 dB attenuation
+ 24.0 dBm is optional
Output level adjust range 0 to 20 dB attenuation in 2 dB steps from Output Levels above
Output Impedance Balanced: < 60 Ω
Frequency Response 20Hz to 20 kHz, + 0.5/-1.5 dB
50 Hz to 15 kHz, ± 0.5 dB
Phase Accuracy 50 Hz to 15 kHz, ≤ ±2° from linear phase
SNR ≥ 80 dB (22 Hz to 20 kHz) unweighted
Dynamic Range 24 bits
DTMF Output
Type Low-Z balanced output
DTMF tones 16 tone-pairs, std. telco DTMF
Tone Timing < 230 ms to generate 4 tone-pair sequence
Output Level Range +8 to –2 dBm into 600 Ω ; software adjustable in step increments of 6%
of full-scale voltage
Front Panel Monitors (actively-isolated from, but otherwise buffered copies of the standard
analog outputs)
Video Composite video; 1 V
p-p
, 75 Ω
Audio One stereo pair (user-selectable from audio port 1 or 2),
Level: ~ -13 dB below main audio output (if set for +18 dBu output
PPL)
Impedance: < 60
Ω , unbalanced
Serial Ports
Standard RS232, DCE
Handshaking None
Selectable Services Terminal monitoring and control
Modem dial-in
Auxiliary async data output (Release 2 or later)
COMPEL

E-mail character-based async output
Local COMPEL control input (testing only)
Baud Rates Up to 38.4 kilobaud
Formatting 8 data bits, one start, one stop-bit, half-duplex. Parity selection set by
unit software.
Table 1.1: Technical Specifications
Characteristic Specification