Westermo TD-23 User's Guide

TD-23 Leased Line V.23 Modem Multidrop applicationswww.westermo.com©Westermo Teleindustri ABUser Guide6600-2204

106600-2204Interface specificationsPower LVRated voltage 12 to 48 VDC 12 to 27 VACOperating voltage 10 to 60 VDC 10 to 30 VACRated current 125 mA @ 1

116600-2204RS-422/485Electrical specification EIA RS-485 2-wire or 4-wire twisted pairData rate 300 bit/s – 1200 bit/sData format 7 or 8 data bits, O

126600-2204Relay (optional) Rated voltage Up to 48 VDCOperating voltage Up to 60 VDCContact rating 50 mA @ 48 VDCContact resistance 8 ΩTransmission r

136600-2204Power connection HVPos. Direction* DescriptionProduct markingL In AC: Live DC: +Voltage N In AC: NeutralDC: –Voltage– Not usedLeased Line

146600-2204Leased LinePos. Direction* DescriptionProduct markingNo. 1 Out 4-wire TransmitTXIn/Out 2-/4-wire Receive/ TransmitNo. 2 Out 4-wire Transmit

156600-2204LED IndicatorsLED Status DescriptionDCDCTSRTSTDRDPWRPWR PowerON In service OFF Out of serviceRD Receive dataON Data transmitted on the RS-

166600-2204S1 DIP-switch Selection of transmission levelON 1 2 3 4 5 6 7 8–10 dBmON 1 2 3 4 5 6 7 8–12 dBmON 1 2 3 4 5 6 7 8–9 dBmON 1 2 3 4 5

176600-2204S1 DIP-switch Carrier active using RTS or incoming dataON 1 2 3 4 5 6 7 8Incoming dataON 1 2 3 4 5 6 7 8Permanent carrierON 1 2 3 4 5

186600-2204S2 DIP-switch Selection of 2/4 wire RS-422/485 sideON 1 2 3 4 5 6 7 84-wireON 1 2 3 4 5 6 7 8Deactivate RS-422/485ON 1 2 3 4 5 6 7 8

196600-2204S3 DIP-switch RS-422/485 termination2-wire termination with failsafe; T+/R+ and T– /R–4-wire termination with failsafe; R+ and R–No termin

26600-2204Legal informationThe contents of this document are provided “as is”. Except as required by applicable law, no warranties of any kind, either

206600-2204=TerminationTD-23 Slave unit Slave unit Slave unitTD-23Slave unit Slave unit Slave unitMax 0.3 metre=TerminationT+T–T+T- T+T- ABR+R–T+T–R–

216600-2204 10 mm * (0.4 inches)CLICK!25 mm25 mm* Spacing (left/right) recommended for full operating temperature rangeCoolingThis unit uses convecti

226600-2204Application examples RS-232, 2-wire connection ON 12345678S1ON 12345 678S2ON 1234S3DIP-switch setting for both units2-wire twisted pairRS-2

236600-2204Multidrop applicationON 123456 78S1ON 123456 78S2ON 1234S3ON 12345 678S1ON 12345 678S2ON 1234S3ON 12345 678S1ON 12345 678S2ON 1234S3ON 1234

REV.G 6600-2204 2011-08 Westermo Teleindustri AB, Sweden – A Beijer Electronics Group CompanyWestermo Teleindustri AB • SE-640 40 Stora Sundby, S

36600-2204SafetyBefore installation:This modem is for restricted access area use only. Read this manual completely and gather all information on the u

46600-2204Agency approvals and standards complianceFCC Part 15.105 Notice: This equipment has been tested and found to comply with the limits for a

56600-2204Declaration of Conformity, TD-23 LV Westermo Teleindustri AB Declaration of conformity Org.nr/ Postadress/Postal address Tel. Te

66600-2204Declaration of Conformity, TD-23 HV Westermo Teleindustri AB Declaration of conformity Org.nr/ Postadress/Postal address Tel. Te

76600-2204Electromagnetic CompatibilityPhenomena Test Description Test levelsESD EN 61000-4-2 Enclosure contact ± 6 kVEnclosure air ± 8 kVRF field AM

86600-2204DescriptionTD-23 is designed to satisfy industry's demands on reliability and functionality in environ-ments with high levels of interf

96600-2204Functional descriptionModem chip controlAnalog filterFrequency modulationSelectable output levelSelectable input sensitivityLine relayData b