Collcomm NCS-C151 Instruction Manual Download

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NCS-C151

INSTRUCTION MANUAL

Rev B

Collcomm Inc.

d.b.a. NCS

Shipping Address

2310 Pendley Road

Cumming, Georgia 30041

Mailing Address

1595 Peachtree Parkway

Suite 204-123

Cumming, Georgia 30041

Toll Free Tel. & Fax : 888- 883-5788

Email : [email protected]

Web Site: www.collcomminc.com

comm

inc

Summary of Contents for NCS-C151

Page 1: ...nc d b a NCS Shipping Address 2310 Pendley Road Cumming Georgia 30041 Mailing Address 1595 Peachtree Parkway Suite 204 123 Cumming Georgia 30041 Toll Free Tel Fax 888 883 5788 Email support ncsradio c...

Page 2: ...or Trunking Radio on RAD1 Added Tx Audio Levels corrected DC wire size current consumption 1 7 16 JFP B Removed 125mVpp AGC Reference 3 27 17 JFP Model No NCS C151 Serial No __________________________...

Page 3: ...smit Audio 5 4 3 PTT 5 5 0 Power Supply 6 5 1 Power Requirements 6 5 2 Power Connection 6 5 3 Polarity 6 5 4 Fusing 6 6 0 Opening Unit to Perform Adjustments 7 7 0 Internal Setup and Adjustments 8 8 0...

Page 4: ...afety Information The C151 is an electrical device requiring appropriate safety measures during installation and operation The following safety precautions should be observed When connecting the unit...

Page 5: ...n output of 1 25Vpp 4 2 Transmit Audio Transmit audio levels are separately adjustable for each radio and sufficient gain is available to drive nearly any radio 4 3 PTT PTT is via an Open Drain output...

Page 6: ...ower Connection Power is supplied to the cable on the rear of the unit The connector is an AMP Tyco Right Angle Two Conductor P N 1 770966 0 5 3 Polarity Power cable polarity is Red Black or chassis 5...

Page 7: ...procedure shown below to open the unit up to perform settings and adjustments Rear View of Unit locate 4 screws 1 Remove 4 screws rear panel bezel 2 Slide the whole assembly both circuit card assembli...

Page 8: ...diagram below the lower of the 2 boards for the locations of settings and adjustments The top board does not require any adjustments Radio 1 Receive Setup and Transmit Audio Level Adjustments Radio 2...

Page 9: ...tor or another radio Stop transmitting 7 5 Transmit a signal to the radio connected to the RAD2 jack The green BUSY indicator for RAD2 should light up and the red TX indicator for RAD1 should light up...

Page 10: ...This prevents voice transmissions from being lost or chopped during the channel assignment trunking handshake 8 2 Setup and Operation The delay module has an adjustment on the front of the NCS C151 f...

Page 11: ...end Un terminated cables are also available that require the customer to attach the radio interface connector Most commercial radios have an accessory connector that usually has mic audio receive aud...

Page 12: ...Common or Gnd 3 PTT To Radio PTT Input 4 GND Signal Ground 5 RX AUDIO From Radio Audio Speaker Output 6 GND Signal Ground 7 Not Used 8 COR In From Radio AUX RJ45 Conne ctor on Rear Panel Pin Signal No...

Page 13: ...ether with a low impedance RF connection The best choice for connecting material is a wide braid or copper strap Noise Excessive noise can be caused by many factors The C151 uses state of the art low...

Page 14: ...le free operation of our equipment If you have any questions comments or need technical help please use the following resources 1 Go to the web site www collcomminc com Here you will find the latest i...

Page 15: ...TBD hours TBD hours Front Panel Power On Off Toggle Switch with Green LED Indicator Indicators Green LED Busy Indicator and Red LED Transmit Indicator for each Radio Delay Set Adjustable pot for fixe...

Page 16: ...s returned that prove to be defective and covered under the warranty the Customer will bear the cost of shipment for the return of the product to NCS Collect shipments will not be accepted NCS will be...