Extron XTP CP 4i 3G-SDI 板卡可为 XTP II 或 XTP CrossPoint^® 矩阵切换器提供 4 路 3G-SDI 信号输入。每一路输入都具有自动均衡功能，可优化长距离传输的信号质量，同时，带时钟恢复功能的缓冲环通还可支持本地显示器或其它的分配需求。4 路模拟立体声音频输入提供了音频加嵌功能，两通道 AES 音频提取功能提供了灵活的音频管理和音频分离切换。XTP CP 4i 3G-SDI 支持高达 2.97 Gbps 的信号速率，可连接远程 PTZ 摄像机和其它广播级视频信号源，是视频会议和现场活动等专业应用环境的理想之选。

技术参数

XTP CrossPoint® CP 3G-SDI Input Board
Video
Number/signal type	(4) 3G-SDI, HD-SDI, and SDI digital video signals
Connectors	4 female BNC, 4 female BNC loop-through
Nominal level	0.8 Vp-p
Impedance	75 ohms
Horizontal frequency	15 kHz to 70 kHz
Vertical frequency	24 Hz to 60 Hz
Resolution range	480i, 576i, 720p, 1080i, 1080PsF, 1080p, and 2K (2048x1080)
Return loss	≥15 dB @ 5 MHz to 1.5 GHz
Input cable equalization	Automatic for up to -30 dB of cable loss
3G-SDI	60 m (200') using RG6 cable 45 m (150') using RG59 cable
HD-SDI	120 m (400') using RG6 cable 90 m (300') using RG59 cable
SDI	150 m (500') using RG6 cable 120 m (400') using RG59 cable
Operation standards	SMPTE 259M-C, SMPTE 292M, SMPTE 424M, SMPTE 272M, SMPTE 299M, ITU-R BT.601, ITU-R BT.1120
Auto data rate lock	Yes
Audio
Frequency response	20 Hz to 20 kHz ±0.5 dB
THD + Noise	<0.1% @ 1 kHz, 20 kHz bandwidth at nominal level
S/N	>90 dB, at maximum output (unweighted)
Stereo channel separation	>80 dB @ 1 kHz
Audio input
Number/signal type	4 SDI embedded AES3 audio (SMPTE 272M, SMPTE 299M) 4 stereo/mono, balanced/unbalanced
Connectors	4 female BNC (4) 5 pole captive screw
Impedance	10k ohms unbalanced, >20k ohms balanced
Nominal level	+4 dBu (1.23 Vrms), -10dBv (316 mVrms), adjustable
Maximum level	+21 dBu (balanced) +15 dBu (unbalanced)
Input gain adjustment	-18 dB to +24 dB, adjustable per input; default = 0 dB
NOTE     0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
General
Power	Supplied by XTP CrossPoint or XTP II CrossPoint enclosure
Power consumption	14 watts
Product weight	2.0 lbs (0.9 kg)
Regulatory compliance
Environmental	Complies with the appropriate requirements of RoHS, WEEE.
Product warranty	3 years parts and labor
NOTE     All nominal levels are at ±10%.
NOTE     Specifications are subject to change without notice.
(8.1-030316-D3)