P/N 315-092686-8
Siemens Industry, Inc.Building Technologies DivisionFlorham Park, NJ
Siemens Building Technologies, Ltd.Fire Safety & Security Products2 Kenview BoulevardBrampton, OntarioL6T 5E4 Canada
Страница 1: ...ew terminals of an MXL System module The REP 1 module reproduces the RS 485 signal on a new pair of wires The new signal makes it possible to add more nodes to the system OPERATION An REP 1 Repeater module may be used to Installation Instructions Model REP 1 Network Repeater Module Figure 1 REP 1 Repeater PC Board 1 Add nodes to the end of a system network by providing a repeated network 2 Add a S...
Страница 2: ...REP 1 is used to add Style 4 to a Style 7 network REP 1 connects to two nodes thus adding 30 new nodes CSG M Control of System Size Even though the REP 1 supplies an increased node count in a system the total system size is still controlled by the CSG M This limit guarantees that the MXL System can support the number of modules installed PROGRAMMING See Figure 1 There is one switch S1 and one jump...
Страница 3: ...o Directions with Style 4 C T Tap Running in One Direction with Style 4 A Basic Repeater Style 4 t n e r r u C e l u d o M C D V 5 e v i t c A A m 0 t n e r r u C e l u d o M C D V 4 2 e v i t c A A m 0 4 t n e r r u C e l u d o M C D V 4 2 y b d n a t S A m 0 4 CAUTION For NIM 1R Network If a REP 1 is used on a NIM 1R network place the JP1 jumper in the PSR position no matter in which type of cab...
Страница 4: ...card guides and firmly seat ing it in the card edge connector Checking Limits Do not connect more than two REP 1s in series for proper operation of the network To be sure there are no more than two REP 1s in series check that 1 There are no more than two REP 1s between any MXL module and the MMB or 2 In an NIM 1R network there are no more than two REP 1s between any pair of NIM 1Rs in the network ...
Страница 5: ...he REP 1 is not used in this configuration so it has both sides terminated as shown For Style 7 networks Figure 4 use both halves of the REP 1 Figure 4 Basic Repeater Style 7 Notes 1 Use 18 AWG minimum wire 2 Limit maximum resistance per pair to 80 ohms 3 Use shielded twisted pair 4 Terminate the shield ONLY at the MMB enclosure 5 The wiring is power limited according to NFPA 70 per NEC 760 6 Maxi...
Страница 6: ... a Style 7 network Figure 6 shows a Style 4 tap that begins at the REP 1 This tap can also be run in two directions if the end of line resistors are connected to the ends of the Style 4 tap A typical use of this connection to either an RCC 1 1F or MOI 7 would be for a group of annunciators where Style 7 wiring is not required for the annun ciators but the rest of the system must be Style 7 Do not ...
Страница 7: ...enclosure 5 The wiring is power limited according to NFPA 70 per NEC 760 6 Maximum voltage is 8V P P 7 Maximum current is 150mA 8 Use the end of line resistor P N 140 820150 120 ohms 1 4W See Figure 2E for further information 9 Refer to Wiring Specification for MXL MXL IQ and MXLV Systems P N 315 092772 revision 6 or higher for additional wiring information CONNECT ONLY TO RCC 1 1F OR MOI 7 ...
Страница 8: ...P N 315 092686 8 Siemens Industry Inc BuildingTechnologies Division Florham Park NJ Siemens BuildingTechnologies Ltd Fire Safety Security Products 2 Kenview Boulevard Brampton Ontario L6T 5E4 Canada ...
