Odyssey 2000-8R Repeater Instruction Manual 575-00001-0001 DC/MA is a registered trademark of ComSpace Corporation.
Instruction Manual 2 Table of Contents TABLE OF CONTENTS ......................................................................................................................................... 2 INTRODUCTION ................................................................................................................................................... 3 WARNING ..............................................................................................................................................
Instruction Manual 3 Introduction This manual covers the Odyssey 2000 8R Repeater Radio for Digital Channel/Multicarrier Architecture, DCMA, with LTR trunking. This unit is a full duplex radio transceiver featuring digital technology developed by ComSpace Corporation, that greatly increases the traffic carrying capabilities of the radio network while at the same time improving the quality of communications. The principal features are: 1. Digital Modulation with DC/MA technology. 2.
Instruction Manual 4 Warning One or more of the following statements may be applicable. FCC Warning This equipment generates or uses radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the Operator’s Manual. The user could lose the authority to operate this equipment if an unauthorized change or modification is made.
Instruction Manual 5 Safety: It is important that the operator is aware of, and understands, hazards common to the operation of any transceiver. WARNING: IMPORTANT NOTE: To comply with FCC RF exposure compliance requirements, the antenna(s) used for this transmitter must be: (1) fixed-mounted on outdoor permanent structures with a separation distance of at least 19.7 feet (6 meters) from all persons during normal operation and (2) professionally installed.
Instruction Manual 6 Precautions Please observe the following precautions to prevent fire, personal injury, and transceiver damage. • • • • Do not modify the transceiver for any reason. Do not expose the transceiver to long periods of direct sunlight, nor place it near heating appliances. Do not place the transceiver in excessively dusty, humid or wet areas, or on unstable surfaces. If an abnormal odor or smoke is detected coming from the transceiver, turn OFF the power immediately.
Instruction Manual 7 Repeater Specifications Odyssey Series Model 2000 8R General No.
Instruction Manual 8 Receiver No. Parameter Requirement 1 2 1dB 75µsec (max) 3 4 5 Passband Ripple Total Group Delay Differential Group Delay I Q Gain Imbalance I Q Phase Imbalance 6 DC Offset 7 8 9 Output Noise Noise Figure Sensitivity Adjacent Channel Rejection Ratio 3rd order Intermodulation Distortion Image Rejection ½ IF Rejection Spurious Rejection Gain Variation ADC Dynamic Range 10 11 12 13 14 15 16 17 TBD 0.5dB ≤ 2° ≤ 10% minimum signal level 3 bits @ 53.
Instruction Manual 9 Repeater Controller Command Set Communication with the repeater controller is accessible through the RS232 port located on the front panel of this board. This connection requires a pin to pin compatible RS232 cable. A HyperTerminal must be started to communicate with the repeater controller. With a WINDOWS operating system, the HyperTerminal can be found at: Start/Programs/Accessories/ HyperTerminal/HyperTerminal The HyperTerminal should be set up as follows.
Instruction Manual 10 20 21 resume route 22 setenv resume [taskname | task ID] route [add | delete | -a] setenv 23 24 setid setpri setid [uid] [gid] setpri [taskname | tid] [priority] 25 sleep sleep [seconds] 26 27 suspend ber 28 29 flashcrc getRev suspend [taskname | tid] ber [subchannel (0-3)] flashcrc [target pid | all] getRev [target pid | all] 30 31 remlog wmsl 32 dmsl 33 34 ipcsl [target PID] rxmqueue 35 ipcsl
Instruction Manual 11 Unpacking and Checking Equipment Note: The following unpacking instructions are for use by your ComSpace dealer, an authorized ComSpace service facility, or the factory. Carefully unpack the transceiver. ComSpace recommends that you identify the items listed in the following table before discarding the packing material. If any items are missing or have been damaged during shipment, file a claim with the carrier immediately.
Instruction Manual 12 Assembly The repeater should be assembled as indicated in the following diagram. The RF power unit, containing the power supplies, low level RF and RF power amplifiers should be mounted in a relay rack on top of the digital card cage. 1) After the RF power unit is mounted, the four RF power amplifiers should be inserted 2) After mounting the digital card cage, the digital cards must be inserted in the following order. a) The Repeater Controller must be inserted into slot one.
Instruction Manual 13 Basic Operation After all the cables have been properly connected, the repeater is ready for service. The transceiver frequency has already been pre-programmed at the factory and is confirmed on the shipping papers and a sticker on the rear of the RF chassis. To begin basic operation, simply follow these steps. 1) Turn on the power breakers on the four RF power amplifiers. 2) Turn on the main power switch.
