Cerberus Pyrotronics NET-7 NET-7M Style 7 Network Interface Card 5034

NET 7 NET 7M 7 Network Interface Card AND ARCHITECT SPECIFICATIONS Style 7 Network Diagnostic LED Cost Effective Local Solution Plugs into MOM 2 4 Width Slot ULC NYMEA CSFM MXL network interface between a main MXL and multiple remote panels can be achieved with the combina of NET 7 and NET 7M modules These modules Style 7 communication using two RS 485 pairs NET 7 and or NET 7M plugs into a half width slot of the card cage at the MXL command center MMB the PSR 1 slot at MXL remote units MXLR MXLVR NET 7 provides two independent and fully supervised paths allowing system operation through open as well as a short circuit The NET 7 is usually at the extreme points of the local MXL network with an end of line resistor EOL The NET 7 which modules are installed in its enclosure reports this information to the MMB where it is com to the CSGM database In addition NET 7 provides diagnostic LEDs two yellow and three green greatly in troubleshooting NET 7M must be used in conjunction with the NET 7 The NET 7M is designed to be located in the of the network between two NET 7s and does not the communication paths Two green LEDs are to indicate the status of the two communication equipment is approved for operation over the tempera range of 0 and 49 NUMBER Information Information Yellow LEDs XMIT Enable message is being transmitted ANY TROUBLE unable to communicate to the MMB either pair Green LEDs Primary message is being received on that specific pair Secondary message is being received on that specific SELECT indicates one or both pairs is functional Green LEDs Message is being received on a specific pair Information Information No 7 Local Network Interface Instructions No 7 Communication Interface Instructions and Architect Specifications and Architect Specifications communication between the system CPU MXL and CPU MXLR or MXLVR shall meet the NFPA for Style 7 signaling line circuits The com path shall be fully redundant with both data continuously supervised The main CPU shall be of communicating with the remote units on either of wires Style 7 communications shall be provided by a plug in model NET 7 or NET 7M Either of these units shall on board diagnostic LEDs to show proper commu on both paths and clearly indicate a failure on It shall also isolate remote power supplies so as to the ability to localize a ground fault condition to a remote enclosure the use of system software in conjunction with the module the system shall be capable of cross the location of all system option modules by to assure that they are placed in the specified enclosure Ratings Ratings Voltage current current current 5 average 140mA max average 140mA max End of line resistors should not be used with any NET 7M of line resistors are provided with each NET 7 These devices required at the two extreme ends of each network pair as shown the below Connection Diagram It is not required that the MMB at one of the ends It may be at any location along the network is not allowed on the network Diagram Diagram 120W 5 P N 140 820150 120W 5 P N 140 820150 This diagram should not be used for module wiring Please to the appropriate module installation instructions Pyrotronics Ridgedale Avenue Knolls NJ 07927 201 267 1300 201 397 7008 www cerbpyro com in U S A Pyrotronics East Pearce Street Hill Ontario 1B7 CN 905 764 8384 905 731 9182 1997 sheet dated 1 97