RFL Communications 21 Sub-MUX Скачать руководство пользователя

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RFL Communications plc

SMX3 / 21 Sub-MUX

X.21 / V.24 Dual-Protocol sub-rate multiplexer

User Manual

Issue 1.4

Содержание 21 Sub-MUX

Страница 1: ...s plc U U Ut t ti i il l li i it t ty y y N N Ne e et t tw w wo o or r rk k k S S Sp p pe e ec c ci i ia a al l li i is s st t ts s s SMX3 21 Sub MUX X 21 V 24 Dual Protocol sub rate multiplexer User...

Страница 2: ...rt 8 8 X 21 Data Port Channel A 10 9 V 24 Data Ports Channels B C 11 10 DIP Switches 13 11 LEDs 18 12 Power Input 19 13 Alarms 19 14 Example Configurations 20 15 Blank Setting Table 22 Issue Comments...

Страница 3: ...with reversible mounting brackets permitting either the connectors or the LEDs to face the front of the rack SMX3 21 aggregates one X 21 data channel Channel A and two V 24 data channels Channel B Ch...

Страница 4: ...Channel B is re transmitted onto a second point to point link at the aggregate level via the Concatenation Port For this to operate all links must be synchronised to the network master timing signal I...

Страница 5: ...ame regardless of aggregate speed Data Channel Aggregate Speed 64kbit s 128kbit s 192kbit s 256kbit s Channel A X 21 Bandwidth kbit s 64 64 or 128 Sample Rate 16k 32k 48k 64k Baud Rate range Async Mod...

Страница 6: ...arrays This port carries an aggregate of three bi directional data channels one X 21 channel and two V 24 channels Standard X 21 Port Pin out when in DTE configuration D15M on chassis Circuit Pin A P...

Страница 7: ...erived from within the unit in this case the Clock Source must be configured to Master In both cases the timing signal is output on pins 6 and 13 Optional X 21 Port Pin out when in DCE configuration D...

Страница 8: ...ection and port connections are additionally protected by Tranzorb type arrays Aggregate Concatenation Aggregate Concatenation is the interconnection at aggregate level of two co located SMX3 21 units...

Страница 9: ...on to a co located SMX3 21 requires a five twisted pair cross over cable with overall shield eg RS 111 8988 Maximum recommended length 10m check Utility standards Aggregate Concatenation Cable D15M D1...

Страница 10: ...Transceivers are specified to 15kV IEC1000 4 2 air discharge ESD protection and port connections are additionally protected by Tranzorb type arrays Data received at the Channel A port is always termin...

Страница 11: ...switches provide configure options for each port see section 10 V 24 Port Sharing There are two methods by which multiple V 24 ports can be assigned to an aggregate channel Channels ports B and C wit...

Страница 12: ...sm DTR is ignored and can be left unconnected the sub multiplexer assumes a continuous ON state DSR is ON when the Aggregate is working an in synchronism RI is unconnected or permanently OFF When RTS...

Страница 13: ...hes DIP Switch Locations Dip Switch functions SW1 SW2 SW3 SW4 SW5 SW6 Channel A X 21 Data configuration Channel B V 24 Data configuration Channel C V 24 Data configuration Not used Aggregate Concatena...

Страница 14: ...to Off When set to On data transmitted into of the MUX TxD is looped back to its RxD output Channel A requires the clock to be present as this is a DCE port the clock is sourced from the MUX provided...

Страница 15: ...lso be used for applications where asynchronous character formats are not specifically supported The baud rate settings are ignored See section 5 Async 8 bit is selected for 7 data bits plus 1 parity...

Страница 16: ...here network timing is unavailable The timing signal X is output on pins 6 and 13 Sa and Sb Timing must be selected Enabled as Concat ie DTE Timing X This is the normal setting for the Concatenation P...

Страница 17: ...the concatenation port from the co located unit When used in conjunction with the modes Enabled as DCE or Enabled as DTE Signal Timing X the timing signal received from the concatenation port will be...

Страница 18: ...able Note For units connected in a concatenated network data on aggregate channels 2 and 3 is broadcast to all configured V 24 ports regardless of whether there is equipment connected to those ports I...

Страница 19: ...ther Main Earth 13 Alarms Two alarm relays are incorporated energised when healthy Each relay provides a single changeover contact presented on a plug in terminal strip see equipment layout For a cont...

Страница 20: ...ck signal is provided by the X 21 links V 24 channels configured in Transparent mode DIP Switch Settings for both units 8 7 6 5 4 3 2 1 SW1 0 0 0 0 0 0 0 1 SW2 0 0 0 0 0 1 0 0 SW3 0 0 0 0 0 1 0 1 SW4...

Страница 21: ...igured in Transparent mode DIP Switch Settings for A1 C1 8 7 6 5 4 3 2 1 SW1 0 0 0 0 0 0 0 1 SW2 0 0 0 0 0 1 0 0 SW3 0 0 0 0 0 1 0 1 SW4 Not used SW5 0 0 0 0 0 0 0 1 SW6 0 1 0 0 0 0 0 0 DIP Switch Set...

Страница 22: ...able Location Reference DIP Switch Settings 8 7 6 5 4 3 2 1 SW1 SW2 SW3 SW4 SW5 SW6 2009 RFL Communications plc Connect 17 Avon Way Langley park CHIPPENHAM Wilts SN15 1GG www rflcomms co uk Installati...