Interface

Video

Input: Analog composite; BNC x 2
Loop-through output: analog composite; BNC x 2
Output: Analog composite; BNC x 1

Audio

Input: Analog, line level, unbalanced; RCA x 2 (L/R)
Output: Analog, line level, unbalanced; RCA x 1

Network interface

10BaseT/100BaseTX; RJ-45 x 1

Alarm input

4-input (D-sub 15P x 1)

TTL level output

8-output (D-sub 15P x 1)

Local image recording

CF Type 1 interface for JPEG image capture on CompactFlash card

Front panel controls

Power, cursor, input switching, PinP switching, recording (CF), play, stop, hold

Video

Compression format

MPEG-4 ASP/SP (ISMA/ISO), JPEG (ISO)

Frame size

DM-NC40U/MPEG-4: 352 x 240, 176 x 120, JPEG: 704 x 480 MPEG-4: 320 x 240, 160 x 120, JPEG: 640 x 480 DM-NC40E/MPEG-4: 352 x 288, 176 x 144, JPEG: 704 x 576

Frame rate

DM-NC40U/MPEG-4: 30fps (maximum value varies depending on the frame size and bit rate)

Bit rate

256k – 2 Mbps (ISMA), 54k – 2 Mbps (teleconference)

Delay

Within approx. 0.3 sec. (between DM-NC40s: Network delay excluded)

Audio

Compression format

AAC-LC stereo (ISMA), G.726 monaural (teleconference)

Bit rate

96 - 128 kbps (ISMA), 16 - 32 kbps (teleconerence)

Sampling rate

32 kHz (ISMA), 8 kHz (teleconference)

Stream

Data protocol

RTP (unicast/multicast)

Control protocol

RTSP, HTTP, IGMPv2

External equipment control

Serial port

Control via RS-232C/RS-485 (data pass-through)

Setting

Web server

Set with Web browser.
(In addition to the Web browser, setting with Telnet or terminal is available.)

General

Power requirements

DM-NC40U: 120 V AC, 50/60 Hz
DM-NC40E: 220-240 V AC, 50/60 Hz

Power consumption

0.4 A

Operating temperature

0°C to 40°C/32°F to 104°F

Weight

Approx. 3.0 kg/6.7 lbs.