Maxcom MAX3257HD Product Specifications

multiplexer is ideal for transmitting 1 channel of video, 2 channels of audio and 1 high speed serial data channel on one fiber optic cable. The high speed serial data channel may be either DVB- ASI or SMPTE-310M. The MX3257HD’s High Speed Serial data channel employs automatic cable equalization for error free operation over long coaxial cable runs. The MX3257HD operates by digitizing and multiplexing video, audio and high speed data onto a high-speed serial data stream, which is then transmitted via fiber optics. Because the system employs digital transmission techniques, performance characteristics are consistent and maintained over the specified distance with no degradation of signal. The MX3257HD is designed to work with standard singlemode or multimode fiber optic cable and can be wall mounted or rack mounted. Both transmitter and receiver come equipped with internal power supplies. Optical Link LEDs facilitate the continuous monitoring of the fiber optic system. FIBER OPTIC VIDEO / AUDIO / ASI LINK Model MAX3257HD Model Selection Guide Model Description MX3257HDT-1S-1V-2A-ASI-SCA-40 Fiber Optic Mux TX, 1 Video, 2 Audio, 1 DVB-ASI, Singlemode, SC/APC Connector, 40 Km MX3257HDR-1S-1V-2A-ASI-SCA-40 Fiber Optic Mux RX, 1 Video, 2 Audio, 1 DVB-ASI, Singlemode, SC/APC Connector, 40 Km MX3257HDT-1S-1V-2A-S310-SCA-40 Fiber Optic Mux TX, 1 Video, 2 Audio, 1 SMPTE-310, Singlemode, SC/APC Connector, 40 Km MX3257HDR-1S-1V-2A-S310-SCA-40 Fiber Optic Mux RX, 1 Video, 2 Audio, 1 SMPTE-310, Singlemode, SC/APC Connector, 40 Km MX3257HDT-1S-1V-2A-ASI-SCA-80 Fiber Optic Mux TX, 1 Video, 2 Audio, 1 DVB-ASI, Singlemode, SC/APC Connector, 80 Km MX3257HDR-1S-1V-2A-ASI-SCA-80 Fiber Optic Mux RX, 1 Video, 2 Audio, 1 DVB-ASI, Singlemode, SC/APC Connector, 80 Km MX3257HDT-1S-1V-2A-S310-SCA-80 Fiber Optic Mux TX, 1 Video, 2 Audio, 1 SMPTE-310, Singlemode, SC/APC Connector, 80 Km MX3257HDR-1S-1V-2A-S310-SCA-80 Fiber Optic Mux RX, 1 Video, 2 Audio, 1 SMPTE-310, Singlemode, SC/APC Connector, 80 Km Other Connectors and Distances Available Upon Request Features  High Quality 10 Bit Digital Sampling of Video Input  High Speed Data Channel for DVB-ASI or SMPTE-310M  High Speed Data Channel employs Automatic Cable Equalization  Digital Transmission of Stereo Audio  Baseband Video or composite Video/Audio Transmission over video channel  External Audio Compatible with Balanced or Unbalanced Audio Formats  High Quality Uncompressed Digital Transmission  67 dB SNR

47 - 63 Hz Video Audio SC + I + I G G 1 2 + I + I G G 3 4 Audio Rear Panel Standards NTSC, PAL, SECAM Channels (1) Video, (2) Audio & (1) High Speed Data Video Bandwidth SNR / dP / dG 10 Hz to 6.5MHz 67 dB, < 1 deg / < 1% Video I/O BNC, 1V p-p, 75 Ohm High Speed Data BNC, 1V p-p, 75 Ohm DVB-ASI @ 270Mbps, SMPTE-310M @ 19.4 Mbps Stereo Audio I/O Terminal Block, 1Vp-p, 10 KOhm Physical Dimensions 17” x 1.75” x 10” Environment Temperature: Operating: 0C to 50C Storage: -20C to 70C Humidity: Operating: 10% to 90% RH Storage: 5% to 90% RH Input Power Requirements: Voltage: 90 – 240 VAC, 47- 63 Hz 2248 Meridian Ste H Minden, Nv. 89423 1-877-330-5333 W WW WW W..M MAAXXCCO OM MCCPPRRPP..CCO OM M Package Includes  Transmitter or Receiver (Must be purchased separately  Power Cord  Rack-mountable hardware  Easy to follow owner's manual Warranty  5 year limited warranty Video I/O: BNC, 75 Ohm Stereo Audio Terminal Block, 10K Ohm AC Power Input Optical I/O SC/PC or SC/APC High Speed Data Channel: BNC, 75 Ohm - DVB-ASI (270Mbps Transport) - SMPTE-310M 19.4Mbps

Installation and User Guide

Page 2 TABLE OF CONTENTS 1 SAFETY INSTRUCTIONS 2 INTRODUCTION 2.1 System Description 2.2 Front Panel Indicator Description 2.3 Rear Panel Indicator Description 3 INSTALLATION 3.1 General Installation 3.2 Power Connection 3.3 Fiber Optic Cables Connection 3.4 Video Connections 3.5 Audio Connections 3.6 Balanced Audio Connections 3.7 Unbalanced Audio Connections 3.8 External Audio Sub-Carrier Connections 3.9 DVB-ASI Connections 4 OPERATION

Page 3 1 SAFETY INSTRUCTIONS THE 3257 SYSTEM MAY CONTAIN A CLASS IIIb LASER. PLEASE OBSERVE THE FOLLOWING SAFETY PRECAUTIONS THAT APPLY TO LASER EQUIPPED UNITS. WARNING: Do not disconnect the fiber optic external connector with the power turned on. Exposure to Class IIIb Laser radiation is possible when the external fiber connector is disconnected while the unit is still powered up. Ensure the rubber boot is in place whenever the fiber optic cable is disconnected. CAUTION: Attempting to make adjustments or performing operations other than those specified may result in hazardous radiation exposure. Exposure for only seconds can cause permanent eye damage as well as other injuries.

Page 4 2 INTRODUCTION 2.1 System Description The 3257 HD Series is a Video / Audio / DVB-ASI fiber optic multiplexer. The 3257 Series Video modules can be configured to transmit simplex or duplex video & Audio and 1 to 4 DVB-ASI signals using WDM technology. Depending on the distance requirements between sites, the 3257s may be equipped to operate over multimode or single mode fiber. Distances between the transmitter and receiver can be up to 3 Km for multimode operation and up to 120 Km for single mode operation . SYSTEM I/O CONFIGURATION Each of the four ports can be configured for one of the following options: Simplex Video and Simplex Audio – 2 Channels Simplex Video and Simplex Audio – 4 Channels Simplex Video and Simplex Audio – 6 Channels Simplex Video and Simplex Audio – 8 Channels DVB-ASI – 1 to 4 channels VIDEO / AUDIO TECHNOLOGY: The 3257 system uses uncompressed 10 bit analog to digital modulation techniques which provides excellent video quality. The audio circuitry also digitizes the audio signals prior to transmission. The 2 channels of audio may be used for stereo audio or for two separate channels of audio. DVB-ASI Transmission Technology The ASI option on the 3257HD series will accept any PCM 1Vp-p, 75 ohm signal up to 600Mbps. The digital electrical signal connected to the BNC connectors is converted to an optical signal. The ASI circuit’s receiver takes the incoming optical signal and converts it back to electrical I/O: 75 Ohm up to 1Vp-p. The interface will NOT accept bipolar signals, such as T1, T3, E1 or E3.

Page 5 Models Numbers: 3257HD-AB-NA-NASI-CCC-DD 3257T: 1 Channel Video/ 2 Channel Audio Transmitters. 3257TSC: 1 Channel Video / 1 Channel Audio Sub-Carrier Transmitter 3257R: 1 Channel Video Receiver 3257RSC: 1 Channel Video / 1 Channel Audio Sub-Carrier Receiver 3257D: 1 Channel Duplex Video / 2 Channel Audio A Fiber Count, 1 = single fiber, 2 = two fiber B Fiber Type M = Multimode, S = Singlemode NA Additional Audio, N = # of Audio (2, 4, 6 ) NASI Number of ASI interfaces: N = 1 to 4 CCC Fiber Connection Type, SC = SC/PC SCA = SC/APC FC = FC/PC DD Optical Transmission Distance in kilometres

Page 6 Power Link Status MAXCOM 2.2 Front Panel Indicators The following diagram depicts the front panel indicators: Link Indicator (Lights OFF): TX – Problem with Transmitter RX – Problem with Optical Link Power Indicator Link Indicator (Lights ON): TX – Transmitter status is OK RX – Optical Link is OK

Page 7  2.3 Rear Panel Indicators The following diagram depicts the 3257T and 3257R rear panel configuration with optional audio channels installed: NOTE: Model Depicted is configured with 1 Video 8 Audio and 4 ASI Channels

Page 8 90 - 240 VAC 47 - 63 Hz 0 1 FUSE 3 INSTALLATION 3.1 General Installation The units may be shelf mounted, 19” EIA rack mounted or table mounted. In order to mount the units in an 19” rack, the Rack Mount Brackets must be first installed by mounting the brackets to the mounting holes in the sides of the 3257. Make sure that there is enough space to pull and connect both the electrical data and optical cables without stressing them beyond the manufacturer’s limitation strain specifications or exceeding the cable’s minimum bend radius. 3.2 Power Connection The 3257 Series is compatible with 90 - 240 VAC power, 47Hz – 63Hz. The Power Entry Module incorporates an IEC 3 prong power input connector, a switch and a fuse holder, shown below: IEC 3 Prong Power Input Power Entry Module Fuse Holder On / Off Switch

Page 9 + I + I G G 1 2 + I + I G G 3 4 + I + I G G 5 6 + I + I G G 7 8 Audio Video 3.3 Fiber optic cable connection Verify that the fiber cable meets the 3257 Series’ transmission requirements. Relevant cable specifications include loss, distance (dispersion) and return loss. 3.4 Video Connections Video signals are sent over a 75 ohm coax cable terminated in a BNC connector (e.g. RG 59U with a BNC connector) a. At the TX end (3257T), connect the video source to the VIDEO BNC connector. b. At the RX end (3257R), connect the VIDEO BNC to monitor. The output video level may be adjusted by using a small screwdriver to turn the screw above the output video connector, as shown below: Video Output Level Adjust (RX only) Video INPUT/ OUTPUT Connector: 75 Ohm, BNC

Page 10 + I + I G G 1 2 + I + I G G 3 4 + I + I G G 5 6 + I + I G G 7 8 Audio Video 3.5 Audio Connection The 3257 Models have either simplex or duplex audio. The 3257 supports both balanced audio and unbalanced audio. Accessing the audio I/O requires connecting to one or both channels of audio. The audio input and output impedance is 10Kohms. The Audio Terminal Block on the Video/Audio module provides the connectivity for transmitting and receiving audio. The illustrations below show how to connect balanced and unbalanced audio: 3.6 Balanced Audio (Differential) For Balanced audio connections, connect the audio “+” lead to the respective audio channel “+” input and the “-“lead to the audio channel “-‘lead, as shown below. Balanced Audio Input Audio Channel 1, 3, 5, 7 Connect Ground to TB Pin 1 Connect Input + to TB Pin 2 Connect Input – to TB Pin 3 Audio Channel 2, 4, 6, 8 Connect Input + to TB Pin 4 Connect Input – to TB Pin 5 Connect Ground to TB Pin 6 Balanced Audio Output Audio Channel 1, 3, 5, 7 Connect Ground to TB Pin 1 Connect Input + to TB Pin 2 Connect Input – to TB Pin 3 Audio Channel 2, 4, 6, 8 Connect Input + to TB Pin 4 Connect Input – to TB Pin 5 Connect Ground to TB Pin 6

Page 11 + I + I G G 1 2 + I + I G G 3 4 + I + I G G 5 6 + I + I G G 7 8 Audio Video 3.7 Unbalanced Audio (Single Ended) For Unbalanced audio connections, connect the audio I/O to the respective “+” and “GND“leads on the output audio connector, as shown below. Note: Unbalanced Audio output will be 3dB less than input Note: DO NOT connect the (-) lead to ground on the audio OUTPUT as this may create noise on the ground, which may distort the video signals. Unbalanced Audio Input Audio Channel 1, 3, 5, 7 Connect Ground to TB Pin 1 Connect Input + to TB Pin 2 Audio Channel 2, 4, 6, 8 Connect Input + to TB Pin 4 Connect Ground to TB Pin 6 Unbalanced Audio Output Audio Channel 1, 3, 5, 7 Connect Ground to TB Pin 1 Connect Input + to TB Pin 2 Audio Channel 2, 4, 6, 8 Connect Input + to TB Pin 4 Connect Ground to TB Pin 6

Page 12 3.8 External 4.5Mhz Audio Sub-Carrier The 3257 Series also includes an option for transmitting video, audio and a 4.5 MHz audio sub-carrier as an external signal. The figure below depicts the 3257 set up with video, 4 channels of Baseband audio and an external audio sub-carrier channel. The audio sub-carrier channel uses a BNC connector with 75 ohm impedance. + I + I G G 1 2 + I + I G G 3 4 Audio Video Audio SC Video I/O BNC 75 Ohm Baseband Audio I/O External Audio Sub-Carrier I/O BNC Connector 75 Ohm

Page 13 3.9 DVB-ASI Connections DVB-ASI signals are sent over a 75 ohm coax cable terminated in a BNC connector (e.g. RG 59U with a BNC connector) The DVB-ASI I/O will accept ANY PCM signal from 1Mbps to 600Mbps that is less than 1Vp-p and is compatible with 75 ohm terminations. The DVB-ASI connection is NOT compatible with T-3 (DS3), T1 (DS1), or any bipolar signal.

Page 14 4 Operation Turn-On Procedure To operate the 3257 video transmission system: 1. Install the 3257 units to the appropriate power supply using the power entry module to provide power via an IEC 3 prong cable. 2. The indicator “POWER” on the front panel shows that the unit is properly powered. 3. Install the fiber optic cables to the 3257 4. Verify that the LINK lights are illuminated. This indicates that the unit has a good optical link. 5. Connect the Video and Audio Input and Output Signals Verify that the video and audio is being received properly.