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8

6600-2204

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

Surge

EN 61000-4-5

Signal ports unbalanced ± 2 kV line to earth, ± 2 kV line to line 
Signal ports balanced

± 2 kV line to earth, ± 1 kV line to line

Power ports

± 2 kV line to earth, ± 2 kV line to line

RF conducted

EN 61000-4-6

Signal ports

10 V 80% AM (1 kHz), 0.15 – 80 MHz

Power ports

10 V 80% AM (1 kHz), 0.15 – 80 MHz

Power frequency  

magnetic field

EN 61000-4-8

Enclosure

100 A/m, 50 Hz, 16.7 Hz & 0 Hz 

Pulse magnetic field

EN 61000-4-9

Enclosure

300 A/m, 6.4 / 16 µs pulse

Voltage dips  

and interruption

EN 61000-4-11

AC power ports

10, 20, 5000 ms interruption 

10 & 500 ms, 30% reduction 

200 ms, 60% reduction

Mains freq. 50 Hz

EN 61000-4-16

Signal ports

100 V 50 Hz line to earth

Mains freq. 50 Hz

SS 436 15 03

Signal ports

250 V 50 Hz line to line

Voltage dips  

and interruption

EN 61000-4-29

DC power ports

10 & 100 ms, interruption 

500 ms, 30% reduction 

10 ms, 60% reduction 

+20% above & –20% below rated voltage

Radiated emission 

CISPR 16-2-3
ANSI C63.4
(FCC part 15)

Enclosure

Class B
Class B

Conducted emission

CISPR 16-2-1
ANSI C63.4
(FCC part 15b)

AC power ports

Class B

AC power ports

Class B

DC power ports

Class B

Dielectric strength

EN 60950

Signal port to other 

isolated ports 

2 kVrms 50 Hz 1 min 

Power port to other 

isolated ports 

3 kVrms 50 Hz 1 min 

2 kVrms 50 Hz 1 min (@ rated power <60 V)

Environmental

Temperature

EN 60068-2-1 
EN 60068-2-2

Operating

–25 to +70°C

Storage & Transport

–30 to +70°C

Humidity

EN 60068-2-30

Operating

5 to 95% relative humidity

Storage & Transport

5 to 95% relative humidity

Altitude

Operating

2 000 m / 70 kPa

Service life

Operating

10 year

Vibration

IEC 60068-2-6

Operating

7.5 mm, 5 – 8 Hz  

2 g, 8 – 500 Hz

Shock

IEC 60068-2-27

Operating

15 g, 11 ms

Packaging

Enclosure

UL 94

PC / ABS

Flammability class V-1

Dimension W x H x D

55 x 100 x 132 mm

Weight

0.25 kg

Degree of protection

IEC 529

Enclosure

IP 20

Cooling

Convection

Mounting

Horizontal on 35 mm DIN-rail

Type tests and environmental conditions

Summary of Contents for TD-23

Page 1: ...TD 23 Leased Line V 23 Modem Multidrop applications www westermo com...

Page 2: ...2 6600 2204...

Page 3: ...lity and fitness for a particular purpose are made in relation to the accuracy and reliability or contents of this document Westermo reserves the right to revise this document or withdraw it at any ti...

Page 4: ...potentially hazardous situation Possible death or major injury Major damage to the product CAUTION Indicates a potentially hazardous situation Minor or moderate injury Moderate damage to the product...

Page 5: ...oduct ensure that the protective earthing conductor is disconnected last WARNING HAZARDOUS VOLTAGE Do not open an energized product Hazardous voltage may occur when connected to a power supply WARNING...

Page 6: ...used in a manner not according to specification the protection provided by the equipment may be impaired If the product is not working properly contact the place of purchase nearest Westermo distribut...

Page 7: ...equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the...

Page 8: ...0 Hz line to earth Mains freq 50 Hz SS 436 15 03 Signal ports 250 V 50 Hz line to line Voltage dips and interruption EN 61000 4 29 DC power ports 10 100 ms interruption 500 ms 30 reduction 10 ms 60 re...

Page 9: ...output signal level etc This is of particular importance as it allows each modem to be optimised according to the line quality A general calculation allows 16 units over a distance of up to 25 km 15...

Page 10: ...ency modulation Selectable output level Selectable input sensitivity Line relay Data buffer DSR GND VCC GND 2 or 4 wire GND RTS CTS DCD RD TD TD RD Relay output DIP switches RS 232 RS 422 485 Data buf...

Page 11: ...125 mA 12 VDC 50 mA 24 VDC 28 mA 48 VDC 125 mA 12 VAC 50 mA 24 VAC 25 mA 32 VAC Rated frequency DC AC 48 62 Hz Inrush current I t 0 09 A s Startup current 0 35 A peak Polarity Polarity independent Is...

Page 12: ...none parity 1 or 2 stop bits 9 12 bits Protocol Transparent Retiming No Transmission range 15 m Isolation to Power Leased Line Connection 9 pin D sub female DCE or Detachable screw terminal DCE Conne...

Page 13: ...0 2 2 5 mm AWG 24 12 Shielded cable Not required Leased Line Electrical specification 2 or 4 wire Leased Line Data rate 300 bit s 1200 bit s Transmission level 3 3 6 9 10 12 13 15 dBm Transmision leve...

Page 14: ...o 6 Out T B Transmit RS 422 485 4 wire T In Out T R B B Transmit Receive RS 422 485 2 wire Relay optional Position Direction Description No 1 Out Normal open No 2 Out Common RS 232 DTE Position D sub...

Page 15: ...port TD Transmit data ON Data received on the RS 232 or RS 485 port OFF No data received on the RS 232 or RS 485 port RTS Request to send ON RTS signal active on the RS 232 port OFF RTS signal inactiv...

Page 16: ...smission levels communication over longer distances can be achieved but the noise and disturbance levels will increase We recommend that you try your system with the factory default setting first If d...

Page 17: ...5 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 If disturbances are detected faulty characters or other errors decre...

Page 18: ...on the line is 10 ms if this filter is enabled 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 idl...

Page 19: ...85 termination 2 wire termination with failsafe T R and T R 4 wire termination with failsafe R and R No termination or failsafe Factory settings ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 5 6 7 8 S1 ON 1 2 3 4...

Page 20: ...hat reason it is important that the termination is used not to get undefined states when the bus is in three state condition At 2 wire RS 485 both ends shall be terminated at the other most units of t...

Page 21: ...g 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 Removal Pres...

Page 22: ...22 6600 2204 Application examples RS 232 2 wire connection ON 1 2 3 4 5 6 7 8 S1 ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 S3 DIP switch setting for both units 2 wire twisted pair RS 232 RS 232...

Page 23: ...8 S2 ON 1 2 3 4 S3 ON 1 2 3 4 5 6 7 8 S1 ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 S3 ON 1 2 3 4 5 6 7 8 S1 ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 S3 ON 1 2 3 4 5 6 7 8 S1 ON 1 2 3 4 5 6 7 8 S2 ON 1 2 3 4 S3 ON 1 2...

Page 24: ...Westermo Metallverksgatan 6 SE 721 30 V ster s Sweden Tel 46 16 42 80 00 Fax 46 16 42 80 01 E mail info westermo com www westermo com REV I 6600 2204 2021 11 Westermo Network Technologies AB Sweden...

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