6600-2204 TD-23 Leased Line V.23 Modem Multidrop applications www.westermo.
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Safety ! Before installation: This modem is for restricted access area use only. Read this manual completely and gather all information on the unit. Make sure that you understand it fully. Check that your application does not exceed the safe operating specifications for this unit. This unit should only be installed by qualified personnel. This unit should be built-in to an apparatus cabinet, or similar, where access is restricted to service personnel only.
Agency approvals and standards compliance Type Approval / Compliance EMC EN 61000-6-2, Immunity industrial environments EN 55024, Immunity IT equipment EN 61000-6-3, Emission residential environments FCC part 15 Class B EN 50121-4, Railway signalling and telecommunications apparatus IEC 62236-4, Railway signalling and telecommunications apparatus Safety EN 60950-1, IT equipment FCC Part 15.
Declaration of Conformity, TD-23 LV Westermo Teleindustri AB Declaration of conformity The manufacturer Westermo Teleindustri AB SE-640 40 Stora Sundby, Sweden Herewith declares that the product(s) Type of product Leased Line V.23 Modem Model TD-23 LV TD-23 LV (relay option) Art no 3600-2001 3600-2051 is in conformity with the following EC directive(s). No Short name 2004/108/EC Electromagnetic Compatibility (EMC) References of standards applied for this EC declaration of conformity.
Declaration of Conformity, TD-23 HV Westermo Teleindustri AB Declaration of conformity The manufacturer Westermo Teleindustri AB SE-640 40 Stora Sundby, Sweden Herewith declares that the product(s) Type of product Leased line V.23 modem Model TD-23 HV TD-23 HV (relay option) Art no 3600-2101 3600-2151 is in conformity with the following EC directive(s).
Type tests and environmental conditions Electromagnetic Compatibility Phenomena Test Description Test levels ESD EN 61000-4-2 Enclosure contact ± 6 kV Enclosure air ± 8 kV RF field AM modulated IEC 61000-4-3 Enclosure 6 V/m 80% AM (1 kHz) 2000 – 2700 MHz 10 V/m 80% AM (1 kHz), 80 – 1000 MHz 20 V/m 80% AM (1 kHz), 80 – 2000 MHz RF field 900 MHz ENV 50204 Enclosure 20 V/m pulse modulated 200 Hz, 900 ± 5 MHz Fast transient EN 61000-4-4 Signal ports ± 2 kV Power ports ± 2 kV Signal ports
Description TD-23 is designed to satisfy industry's demands on reliability and functionality in environments with high levels of interference.TD-23 communicates via a 2- or 4-wire leased line according to the V.23 standard. Equipment with an RS-232 or RS-422/485 interface can be connected and communicate point-to-point or in a multidrop application.The modem is equipped with DIP-switches to set specific functions in hardware, for example, reception sensitivity, output signal level, etc.
Functional description Block diagram Modulated data VCC Line relay 2 or 4-wire GND Selectable output level Selectable input sensitivity Modem Analog filter Frequency modulation Frequency demodulation DIP-switches Processor Data buffer Data buffer Modem chip control OR GND 6600-2204 DSR RTS CTS DCD RD TD TD RD RS-232 RS-422/485 GND Relay output 9
Interface specifications Power LV Rated voltage Operating voltage Rated current Rated frequency Inrush current I²t Startup current* Polarity Isolation to Connection Connector size Shielded cable Power HV Rated voltage Operating voltage Rated current Rated frequency Inrush current I²t Startup current* Polarity Isolation to Connection Connector size Shielded cable 12 to 48 VDC 12 to 27 VAC 10 to 60 VDC 10 to 30 VAC 125 mA @ 12 VDC 50 mA @ 24 VDC 28 mA @ 48 VDC 125 mA @ 12 VAC 50 mA @ 24 VAC 25 mA @ 32 VAC
RS-422/485 Electrical specification Data rate Data format Protocol Retiming Turn around time Transmission range Settings Protection Isolation to Connection Connector size Shielded cable RS-232 lectrical specification Data rate Data format Protocol Retiming Transmission range Isolation to Connection Connector size Shielded cable Conductive housing E IA RS-485 2-wire or 4-wire twisted pair 300 bit/s – 1200 bit/s 7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits; Σ 9-12 bits Transparent No 4.
Relay (optional) Rated voltage Operating voltage Contact rating Contact resistance Transmission range Function Isolation to Connection Connector size Shielded cable Leased Line Electrical specification Data rate Transmission level Sensitivity reseption Protocol Turn around time Transmission range / Budget Protection Isolation to Connection Connector size Shielded cable 12 Up to 48 VDC Up to 60 VDC 50 mA @ 48 VDC 8Ω ≤ 3 m, depending on data rate and cable type The output follows the transmit carrier, I.
Location of Interface ports, LED’s and DIP-switches TD-23 HV RS-422/485 Product marking 9-pos.
Location of Interface ports, LED’s and DIP-switches TD-23 LV RS-422/485 Product marking 9-pos.
LED Indicators LED Status Description PWR ON In service OFF Out of service ON Data transmitted on the RS-232 or RS-485 port OFF No data transmitted on the RS-232 or RS-485 port ON Data received on the RS-232 or RS-485 port OFF No data received on the RS-232 or RS-485 port ON RTS signal active on the RS-232 port OFF RTS signal inactive on the RS-232 port ON CTS signal active on the RS-232 port OFF CTS signal inactive on the RS-232 port ON DCD signal active on the RS-232 port OFF DC
DIP-switch settings ! Before DIP-switch settings: Prevent damage to internal electronics from electrostatic discharges (ESD) by discharging your body to a grounding point (e.g. use of wrist strap). NOTE DIP-switch alterations are only effective after a power on.
S1 DIP-switch Selection of minimum level detection DCD ON 1 2 3 4 5 6 7 8 ON –45 dBm ON 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 –27 dBm ON –33 dBm 1 2 3 4 5 6 7 8 –23 dBm Selection of minimum level, DCD detection specifies the minimum power level the receiver can handle. With the receiver having a dynamic range of 30 dBm, this means that with the level set to –15 dBm the TD-23 will pick up signals in the range –15 dBm to –45 dBm. We recommend that you try your network with the factory settings.
S2 DIP-switch Selection of 2/4 wire RS-422/485 side ON 1 2 3 4 5 6 7 8 ON 2-wire 1 2 3 4 5 6 7 8 ON 4-wire 1 2 3 4 5 6 7 8 Deactivate RS-422/485 All RS-422/485 lines should be terminated at the end-points. The RS-422/485 interface also has a fail-sate circuit which forces a non-active line into idle state.
S3 DIP-switch RS-422/485 termination ON 1 2 3 4 No termination or failsafe ON 1 2 3 4 2-wire termination with failsafe;T+/R+ and T– /R– ON 1 2 3 4 4-wire termination with failsafe; R+ and R– Factory settings ON 1 2 3 4 5 6 7 8 6600-2204 ON ON S1 1 2 3 4 5 6 7 8 S2 1 2 3 4 S3 19
RS-422/485 general advice 4-wire termination R+ R– T+ T– R– R+ T– T+ R– R+ T– T+ TD-23 B’ A’ B A =Termination Slave unit Slave unit Slave unit 2-wire termination T+ T– Max 0.3 metre T- T+ TD-23 T- T+ B A =Termination Slave unit Slave unit Slave unit Termination recommendations The RS-422/485 line must be terminated. In the TD-23 the termination is combined with fail-safe functionality.
Mounting This unit should be mounted on 35 mm DIN-rail, which is horizontally mounted inside an apparatus cabinet, or similar. Snap on mounting, see figure. CLICK! Cooling This unit uses convection cooling. To avoid obstructing the airflow around the unit, use the following spacing rules. Minimum spacing 25 mm (1.0 inch) above /below and 10 mm (0.4 inches) left /right the unit. Spacing is recommended for the use of unit in full operating temperature range and service life. 10 mm * (0.
Application examples RS-232 RS-232 RS-232, 2-wire connection 2-wire twisted pair DIP-switch setting for both units S1 ON 1 2 3 4 5 6 7 8 22 S2 ON 1 2 3 4 5 6 7 8 S3 ON 1 2 3 4 6600-2204
Multidrop application S1 ON 1 2 3 4 5 6 7 8 S2 RS-485 ON 1 2 3 4 5 6 7 8 S3 ON 1 2 3 4 Master S1 ON S1 1 2 3 4 5 6 7 8 S2 1 2 3 4 5 6 7 8 ON S2 1 2 3 4 5 6 7 8 S3 ON ON 1 2 3 4 5 6 7 8 ON S3 1 2 3 4 ON 1 2 3 4 RS-232 S1 ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 5 6 RS-422 S1 ON S1 1 2 3 4 5 6 7 8 S2 1 2 3 4 5 6 7 8 ON S2 1 2 3 4 5 6 7 8 S3 ON ON 1 2 3 4 5 6 7 8 ON S3 1 2 3 4 ON 1 2 3 4 RS-232 S1 RS-232 ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 5 6 7 8 S3 ON 1
Westermo Teleindustri AB • SE-640 40 Stora Sundby, Sweden Phone +46 16 42 80 00 Fax +46 16 42 80 01 E-mail: info@westermo.com Westermo Web site: www.westermo.com United Kingdom Westermo Data Communications Ltd Talisman Business Centre • Duncan Road Park Gate, Southampton • SO31 7GA Phone: +44(0)1489 580‑585 • Fax.:+44(0)1489 580586 E-Mail: sales@westermo.co.uk Germany Westermo Data Communications GmbH Goethestraße 67, 68753 Waghäusel Tel.: +49(0)7254-95400-0 • Fax.:+49(0)7254-95400-9 E-Mail: info@westermo.
