INFORMATION & TECHNOLOGY

TD-36 485 Series

The TD-36 485 is an industrial modem designed to allow cost effective and simple remote access to legacy serial industrial equipment. The AT command driven modem is capable of synchronising with a wide range of traditional modem negotiation standards providing data rates up to 33.6 kbit/s over both PSTN and 2- or 4-wire lease line circuits.

Category: Leased Line – PSTN Modems

Designed with remote unmanned industrial locations in mind the modem can operate in extremes of temperature and electromagnetic field. The complete galvanic separation of all interfaces ensures earth loops and transients do not interfere with communication. To keep visits to the site to a minimum a watchdog monitors the modem ensuring constant readiness, and remote re-configuration means that changes to settings can be handled without a site visit.

Firewalls are not an issue as data does not use the internet and with call back security it is impossible for either accidental or deliberate access to any equipment attached to the modem. To provide resilience a second line interface allows a PSTN connection to be established in the event of a lease line failure.

The modem is also simple to configure using the Westermo TD-tool software; standard commands can easily be entered and saved configurations downloaded. RS-232 connections can be made using screw connections as well as the standard D-sub. The modem is designed to be connected to devices with no ability to control dialling so special functions like data dialling and DTR dialling are provided to enable these devices to automatically establish connection.

• Product Description
Status	Active
Article number	3618-0001
Ports	1 x Public Switched Telephone Network (PSTN) 1 x Leased Line (LL) 1 x RS-422/485 1 x RS-232
Description	Industrial backup PSTN and Leased Line Modem
•Standard compliance
PSTN	CS 03 Part 1, issue 9 FCC part 68, TIA-968-A ETSI TS103 021-1, ETSI TS103 021-2, ETSI TS103 021-3 AS/ACIF S002, AS/ACIF S006
• Reliability prediction
Service life, operating	Operating, 10 years
• EMC (Electromagnetic Compatibility)
EN 55024	Immunity IT equipment
EN 55022	Emission IT equipment
EN 61000-6-1	Immunity residential environments
EN 61000-6-2	Immunity industrial environments
EN 61000-6-4	Emission industrial environments
FCC part 15	Class A
EN 50121-4	Railway signalling and telecommunications apparatus
IEC 62236-4	Railway signalling and telecommunications apparatus
• EMC Specification
EN 61000-4-2, ESD	Enclosure contact, ± 6 kV Enclosure air, ± 8 kV
IEC 61000-4-3, RF field AM modulated	Enclosure: 20 V/m @ (80 – 2700) MHz 1 kHz sine, 80% AM
ENV 50204, RF field 900 MHz	Enclosure, 20 V/m pulse modulated 200 Hz, 900 ± 5 MHz
EN 61000-4-4, fast transients	Signal ports, ± 2 kV Power ports, ± 2 kV
EN 61000-4-5, surge	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
EN 61000-4-6, conducted RF immunity	Signal ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz Power ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
EN 61000-4-11, Voltage dips and interruption	AC power ports: 10 & 5 000 ms, interruption 10 & 500 ms, 30% reduction 100 & 1 000 ms, 60% reduction
EN 61000-4-16, Mains freq. 50 Hz	Signal ports, 100 V 50 Hz line to earth
EN 61000-4-29, voltage dips and interruption	DC power ports: 10 & 100 ms, interruption 10 ms, 30% reduction 10 ms, 60% reduction +20% above & –20% below rated voltage
EN 55022, radiated RF emission	Enclosure, Class A
FCC part 15, radiated RF emission	Enclosure, Class A
EN 55022, conducted emission	AC power ports, class B PSTN, class B DC power ports, class B
FCC part 15, conducted emission	AC power ports, Class B
• Safety
EN 60950-1,dielectric strength	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)
• Climatic
Temperature, operating	–25 to +70°C (–13 to +158°F)
Temperature, storage	–40 to +70°C (–40 to +158°F)
Humidity, operating	5 to 95% relative humidity non condensing
Humidity, storage	5 to 95% relative humidity non condensing
• Enclosure
Enclosure	UL 94, PC / ABS, flammability class V-1
Dimensions (W x H x D)	55 x 100 x 132 mm (2.16 x 3.93 x 5.19 in)
Weight	0.36 kg
Degree of protection	IP 20
Cooling	Convection
Mounting	Horizontal on 35 mm DIN-rail
• Mechanical
IEC 60068-2-6, vibration	Operating 7.5 mm, 5 – 8 Hz 2 g, 8 – 500 Hz
IEC-60068-2-27, shock	Operating, 15 g, 11 ms
• Interface specifications, power
Operating voltage	18 to 300 VDC 22 to 264 VAC
Rated voltage	20 to 250 VDC 24 to 240 VAC
Rated current	125 mA @ 18 VDC 15 mA @ 110 VDC 8 mA @ 250 VDC 120 mA @ 22 VAC 35 mA @ 95 VAC 28 mA @ 240 VAC
Rated frequency	DC: – AC: 48 – 62 Hz
Inrush current	0.45 A²s
Startup current	0.25 Apeak
Polarity	Polarity independent
Isolation to	All other ports 3 kVrms 50 Hz 1 min
Connection	Detachable screw terminal
Connector size	0.2 – 2.5 mm2 (AWG 24-12)
Shielded cable	Not required
• Public Switched Telephone Network(PSTN)
Electrical specification	Public Switched Telephone Network
Data rate	300 bit/s – 33.6 kbit/s
Protocol	B103, B212, V21, V22, V22B, V23C, V23 HDX, V32, V32B, V34
Protection	Installation Fault Tolerant (up to ±60 V)
Isolation to	Power port, 3 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232, 2 kVrms 50 Hz 1 min RS-485, 2 kVrms 50 Hz 1 min I/O, 2 kVrms 50 Hz 1 min
Connection	RJ-11C and Detachable screw terminal
Connector sixe	Detachable screw terminal 0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable	Not required
• Interface specification, Leased line
Electrical specification	2- or 4-wire Leased Line
Data rate	300 bit/s – 33.6 kbit/s
Protocol	B103, B212, V21, V22, V22B, V23C, V23 HDX, V32, V32B, V34
Transmission range	PSTN 30 dB
Budget	Leased Line max 40 dB
Protection	Installation Fault Tolerant (up to ± 60 V)
Isolation to	Power port, 3 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232, 2 kVrms 50 Hz 1 min RS-485, 2 kVrms 50 Hz 1 min I/O, 2 kVrms 50 Hz 1 min
Connection	Detachable screw terminal
Connector size	0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable	Not required
• Interface specifications, RS-232
Electrical specification	EIA/TIA-232
Data rate	300 bit/s – 115.2 kbit/s
Data format	7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits. 9-12 bit words
Protocol	Transparent
Retiming	Yes
Transmission range	Cable length ≤ 15 m
Galvanic connection to	RS-485
Isolation to	Power port, 3 kVrms 50 Hz 1 min PSTN Line, 2 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min I/O, 1.5 kVrms 50 Hz 1 min
Connection	9-pin D-sub female (DCE) and Detachable screw terminal (DCE )
Shielded cable	Not required
Connector size	Detachable screw terminal 0.2 – 2.5 mm2 (AWG 24 – 12)
Miscellaneous	Do not connect RS-232 and RS-422/485 simultaneously
• Interface specifications, RS-422/485
Electrical specification	EIA/TIA-485 ITU V.11 2-wire or 4-wire twisted pair
Data rate	300 bit/s – 115.2 kbit/s
Data format	7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits. 9-12 bit words
Protocol	Transparent
Retiming	Yes
Turning time	<10 μs (half duplex)
Transmission range	≤ 1200 m, depending on data rate and cable type (EIA RS-485)
Settings	120 Ω termination and failsafe biasing 680 Ω
Protection	Installation Fault Tolerant (up to ±60 V)
Galvanic conection to	RS-232
Isolation to	Power port, 3 kVrms 50 Hz 1 min PSTN Line, 2 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min I/O, 1.5 kVrms 50 Hz 1 min
Connection	Detachable screw terminal
Connector size	0.2 – 2.5 mm2 (AWG 24 – 12)
Shielded cable	Not required
Miscellaneous	Do not connect RS-232 and RS-422/485 simultaneously
• Interface specification, I/O / Digital input
Electrical specification	Opto isolated input
Input voltage range	0 – 60 VDC
Input current	5 mA @ 60 VDC
Input inactive	Uin < 2.5 V
Input active	Uin >5.0 V
Transmission range	Cable length ≤ 15 m
Connection	Detachable screw terminal (DCE)
Connector size	0.2 – 2.5 mm² (AWG 24 – 12)
Isolation to	Power port, 3 kVrms 50 Hz 1 min PSTN line, 2 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232, 2 kVrms 50 Hz 1 min RS-485, 2 kVrms 50 Hz 1 min I/O, output 2 kVrms 50 Hz 1 min
Shelded cable	Not required
• Interface spcification, I/O relay output
Electrical specification	One change over contact
Switching voltage	Max 40 V AC/DC
Switching current	Max 500 mA AC/DC
Electrical endurance	5 x 10^5 operations at 20 W / 20 VA Resistive load
Transmission range	Cable length ≤ 15 m
Connection	Detachable screw terminal (DCE)
Connector size	0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable	Power port, 3 kVrms 50 Hz 1 min PSTN line 2, kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232 1.5, kVrms 50 Hz 1 min RS-485 1.5, kVrms 50 Hz 1 min I/O, input 2 kVrms 50 Hz 1 min
Shielded cable	Not required

• Product Description
Status	Active
Article number	3618-0010
Ports	1 x Public Switched Telephone Network (PSTN) 1 x Leased Line (LL) 1 x RS-422/485 1 x RS-232
Description	Industrial backup PSTN and Leased Line Modem
•Standard compliance
PSTN	CS 03 Part 1, issue 9 FCC part 68, TIA-968-A ETSI TS103 021-1, ETSI TS103 021-2, ETSI TS103 021-3 AS/ACIF S002, AS/ACIF S006
• Reliability prediction
Service life, operating	Operating, 10 years
• EMC (Electromagnetic Compatibility)
EN 55024	Immunity IT equipment
EN 55022	Emission IT equipment
EN 61000-6-1	Immunity residential environments
EN 61000-6-2	Immunity industrial environments
EN 61000-6-4	Emission industrial environments
FCC part 15	Class A
EN 50121-4	Railway signalling and telecommunications apparatus
IEC 62236-4	Railway signalling and telecommunications apparatus
• EMC Specification
EN 61000-4-2, ESD	Enclosure contact, ± 6 kV Enclosure air, ± 8 kV
IEC 61000-4-3, RF field AM modulated	Enclosure: 20 V/m @ (80 – 2700) MHz 1 kHz sine, 80% AM
ENV 50204, RF field 900 MHz	Enclosure, 20 V/m pulse modulated 200 Hz, 900 ± 5 MHz
EN 61000-4-4, fast transients	Signal ports, ± 2 kV Power ports, ± 2 kV
EN 61000-4-5, surge	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
EN 61000-4-6, conducted RF immunity	Signal ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz Power ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
EN 61000-4-11, Voltage dips and interruption	AC power ports: 10 & 5 000 ms, interruption 10 & 500 ms, 30% reduction 100 & 1 000 ms, 60% reduction
EN 61000-4-16, Mains freq. 50 Hz	Signal ports, 100 V 50 Hz line to earth
EN 61000-4-29, voltage dips and interruption	DC power ports: 10 & 100 ms, interruption 10 ms, 30% reduction 10 ms, 60% reduction +20% above & –20% below rated voltage
EN 55022, radiated RF emission	Class A
FCC part 15, radiated RF emission	Class A
EN 55022, conducted emission	AC power ports, class B PSTN, class B DC power ports, class B
FCC part 15, conducted emission	AC power ports, Class B
• Safety
EN 60950-1,dielectric strength	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)
• Climatic
Temperature, operating	–25 to +70°C (–13 to +158°F)
Temperature, storage	–40 to +70°C (–40 to +158°F)
Humidity, operating	5 to 95% relative humidity non condensing
Humidity, storage	5 to 95% relative humidity non condensing
• Enclosure
Enclosure	UL 94, PC / ABS, flammability class V-1
Dimensions (W x H x D)	55 x 100 x 132 mm (2.16 x 3.93 x 5.19 in)
Weight	0.36 kg
Degree of protection	IP 20
Cooling	Convection
Mounting	Horizontal on 35 mm DIN-rail
• Mechanical
IEC 60068-2-6, vibration	Operating 7.5 mm, 5 – 8 Hz 2 g, 8 – 500 Hz
IEC-60068-2-27, shock	Operating, 15 g, 11 ms
• Interface specifications, power
Operating voltage	10 to 60 VDC 10 to 30 VAC 48 – 62 Hz
Rated voltage	12 to 48 VDC 12 to 27 VAC
Rated current	150 mA @ 12 VDC 70 mA @ 24 VDC 40 mA @ 48 VDC 150 mA @ 12 VAC 70 mA @ 24 VAC
Rated frequency	DC: – AC: 48 – 62 Hz
Inrush current	0.45 A²s
Startup current	0.25 Apeak
Polarity	Polarity independent
Isolation to	All other ports 3 kVrms 50 Hz 1 min
Connection	Detachable screw terminal
Connector size	0.2 – 2.5 mm2 (AWG 24-12)
Shielded cable	Not required
• Public Switched Telephone Network(PSTN)
Electrical specification	Public Switched Telephone Network
Data rate	300 bit/s – 33.6 kbit/s
Protocol	B103, B212, V21, V22, V22B, V23C, V23 HDX, V32, V32B, V34
Protection	Installation Fault Tolerant (up to ±60 V)
Isolation to	Power port, 3 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232, 2 kVrms 50 Hz 1 min RS-485, 2 kVrms 50 Hz 1 min I/O, 2 kVrms 50 Hz 1 min
Connection	RJ-11C and Detachable screw terminal
Connector sixe	Detachable screw terminal 0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable	Not required
• Interface specification, Leased line
Electrical specification	2- or 4-wire Leased Line
Data rate	300 bit/s – 33.6 kbit/s
Protocol	B103, B212, V21, V22, V22B, V23C, V23 HDX, V32, V32B, V34
Transmission range	PSTN 30 dB
Budget	Leased Line max 40 dB
Protection	Installation Fault Tolerant (up to ± 60 V)
Isolation to	Power port, 3 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232, 2 kVrms 50 Hz 1 min RS-485, 2 kVrms 50 Hz 1 min I/O, 2 kVrms 50 Hz 1 min
Connection	Detachable screw terminal
Connector size	0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable	Not required
• Interface specifications, RS-232
Electrical specification	EIA/TIA-232
Data rate	300 bit/s – 115.2 kbit/s
Data format	7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits. 9-12 bit words
Protocol	Transparent
Retiming	Yes
Transmission range	Cable length ≤ 15 m
Galvanic connection to	RS-485
Isolation to	Power port, 3 kVrms 50 Hz 1 min PSTN Line, 2 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min I/O, 1.5 kVrms 50 Hz 1 min
Connection	9-pin D-sub female (DCE) and Detachable screw terminal (DCE )
Shielded cable	Not required
Connector size	Detachable screw terminal 0.2 – 2.5 mm2 (AWG 24 – 12)
Miscellaneous	Do not connect RS-232 and RS-422/485 simultaneously
• Interface specifications, RS-422/485
Electrical specification	EIA/TIA-485 ITU V.11 2-wire or 4-wire twisted pair
Data rate	300 bit/s – 115.2 kbit/s
Data format	7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits. 9-12 bit words
Protocol	Transparent
Retiming	Yes
Turning time	<10 μs (half duplex)
Transmission range	≤ 1200 m, depending on data rate and cable type (EIA RS-485)
Settings	120 Ω termination and failsafe biasing 680 Ω
Protection	Installation Fault Tolerant (up to ±60 V)
Galvanic conection to	RS-232
Isolation to	Power port, 3 kVrms 50 Hz 1 min PSTN Line, 2 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min I/O, 1.5 kVrms 50 Hz 1 min
Connection	Detachable screw terminal
Connector size	0.2 – 2.5 mm2 (AWG 24 – 12)
Shielded cable	Not required
Miscellaneous	Do not connect RS-232 and RS-422/485 simultaneously
• Interface specification, I/O / Digital input
Electrical specification	Opto isolated input
Input voltage range	0 – 60 VDC
Input current	5 mA @ 60 VDC
Input inactive	Uin < 2.5 V
Input active	Uin >5.0 V
Transmission range	Cable length ≤ 15 m
Connection	Detachable screw terminal (DCE)
Connector size	0.2 – 2.5 mm² (AWG 24 – 12)
Isolation to	Power port, 3 kVrms 50 Hz 1 min PSTN line, 2 kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232, 2 kVrms 50 Hz 1 min RS-485, 2 kVrms 50 Hz 1 min I/O, output 2 kVrms 50 Hz 1 min
Shelded cable	Not required
• Interface spcification, I/O relay output
Electrical specification	One change over contact
Switching voltage	Max 40 V AC/DC
Switching current	Max 500 mA AC/DC
Electrical endurance	5 x 10^5 operations at 20 W / 20 VA Resistive load
Transmission range	Cable length ≤ 15 m
Connection	Detachable screw terminal (DCE)
Connector size	0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable	Power port, 3 kVrms 50 Hz 1 min PSTN line 2, kVrms 50 Hz 1 min Leased Line, 2 kVrms 50 Hz 1 min RS-232 1.5, kVrms 50 Hz 1 min RS-485 1.5, kVrms 50 Hz 1 min I/O, input 2 kVrms 50 Hz 1 min
Shielded cable	Not required

INFORMATION & TECHNOLOGY

TD-36 485 Series

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