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RS-232/422 and RS-485 Data Cables
Industrial Use Data Cables
Electrically radiated noise frequently present in factory floor
environments can interfere with device-to-device communication
circuits, causing delayed signals or data loss. One important
factor in establishing a good, reliable communication circuit
is cable selection. AutomationDirect offers high quality, low-
capacitance data cables designed with impedances specific for
RS-232/422 and RS-485 communication applications in in-
dustrial environments. The 24 AWG tinned copper conductors
are twisted pairs to reduce electrical noise sensitivity and are
available in one, two, or three-pair color coded constructions.
The polyethylene conductor insulation provides a very high
insulation resistance with a low, stable dielectric constant result-
ing in lower capacitance and excellent velocity of propagation
for superior signal transmission.
To protect from radiated or conducted electromagnetic interfer-
ence (EMI), our data cables have combination shields consisting
of an overall foil shield layer with drain wire and a woven braid
shield layer. The overall foil shield has 100% cable coverage
for excellent protection against higher frequency noise. A drain Features
wire is provided to easily terminate and ground the foil shield. • Low capacitance data cables for RS-232, RS-422, and RS-485
A second shield layer consists of a woven braid that is ideal for applications in industrial environments
minimizing low frequency interference while providing superior • Color coded 24 AWG tinned copper twisted pair conductors
structural integrity to the overall cable. Our combination foil/ to reduce electrical noise sensitivity
braid shielded cables offer maximum shield effectiveness across • Polyethylene insulation provides a very high insulation
the frequency spectrum compared to other single layer shielded resistance with a low, stable dielectric constant
cables. The rugged gray PVC jacket is durable enough for use in • Combination overall foil shield with tinned copper drain
demanding industrial applications. wire plus tinned copper braid shield maximizes shielding
effectiveness compared to single layer shielded cables
• Rugged gray PVC jacket provides durability in demanding
installations
• UL CM/CL2 or AWM Style 2919
24AWG 24AWG 24AWG
Tinned Tinned Tinned
Copper Copper Copper
Drain Drain Drain
Polyethylene Polyethylene Polyethylene
Insulation Insulation Insulation
Foil Shield Foil Shield Foil Shield
Braided Shield Braided Shield Braided Shield
PVC Jacket PVC Jacket PVC Jacket
tCBL-93 Cables 1 - 8 0 0 - 633 - 0 4 0 5
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RS-485 Data Cable Specifications
RS-485 Data Cables
L19827 Series L19954 Series L19773 Series
24 AWG 7-strand tinned copper; 1 twisted 24 AWG 7-strand tinned copper; 2 twisted 24 AWG 7-strand tinned copper; 3 twisted
pair; overall foil and tinned copper braid pairs; overall foil and tinned copper braid pairs; overall foil and tinned copper braid
Construction shielding; PVC jacket. AWM Style 2919; shielding; PVC jacket. AWM Style 2919; shielding; PVC jacket. AWM Style 2919;
EIA-485; CM/CL2 EIA-485; CM/CL2 EIA-485; CM/CL2
Insulation Polyethylene Polyethylene Polyethylene
Pair 1 White/Blue Line & Blue/White Line White/Blue Line & Blue/White Line White/Blue Line & Blue/White Line
Color Code Pair 2 N/A White/Orange Line & Orange/White Line White/Orange Line & Orange/White Line
Pair 3 N/A N/A White/Green Line & Green/White Line
2 Twisted pairs cabled; overall foil tape shield 3 Twisted pairs cabled; overall foil tape shield
Assembly 1 Twisted pair, overall shield and 95% Tc braid, jacketed and 95% Tc braid, jacketed
1” Lay (12 twists/foot)/cabling 2.5” lay 1” Lay (12 twists/foot)/cabling 2.5” lay
Pair Twist 2.8” Lay (4.3 Twists per foot) (4.8 twists/foot) (4.8 twists/foot)
Overall foil shield & 24 AWG strand tinned Overall foil shield & 24 AWG strand tinned Overall foil shield & 24 AWG strand tinned
Shield/Drain copper drain wire, plus 95% tinned copper copper drain wire, plus 95% tinned copper copper drain wire, plus 95% tinned copper
braid braid braid
Jacket Chrome Gray PVC Chrome Gray PVC Gray PVC
Diameter 0.236” Nominal 0.353” Nominal 0.380” Nominal
Minimum Bend Radius 2.5” (Install) 3.6” (Install) 3.8” (Install)
Cable Weight 34.4 lb/1000’ Approx. 57.9 lb/1000’ Approx. 64.6 lb/1000’ Approx.
Impedance 120Ω 120Ω 120Ω
Capacitance 12.8 pF/ft Nom. 12.8 pF/ft Nom. 12.8 pF/ft Nom.
Resistance 27.2Ω DC per 1000 ft @ 20°C (68°F) max 27.2Ω DC per 1000 ft @ 20°C (68°F) max 27.2Ω DC per 1000 ft @ 20°C (68°F) max
Attenuation 0.6 dB/100 ft @ 1 MHz (Nominal) 0.6 dB/100 ft @ 1 MHz (Nominal) 0.6 dB/100 ft @ 1 MHz (Nominal)
Velocity of Propagation 66.2% 66.2% 66.2%
2.1 Amps per conductor @ 25°C (77°F) 2.1 Amps per conductor @ 25°C (77°F) 1.54 Amps per conductor @ 25°C (77°F)
Max. Current (Maximum recommended) (Maximum recommended) (Maximum recommended)
80°C (176°F)/30V (AWM 2919) or 60°C 80°C (176°F)/30V (AWM 2919) or 60°C 80°C (176°F)/30V (AWM 2919) or 60°C
Temp/Voltage (140°F)/300V (UL CM) (140°F)/300V (UL CM) (140°F)/300V (UL CM)
Temp Range -20ºC to 80ºC (-4ºF to 176ºF) -20ºC to 80ºC (-4ºF to 176ºF) -20ºC to 80ºC (-4ºF to 176ºF)
Plenum No No No
Spool/Coil Length 100, 500 or 1000 feet 100, 500 or 1000 feet 100, 500 or 1000 feet
UL Classification CM/CL2 or AWM Style 2919 CM/CL2 or AWM Style 2919 CM/CL2 or AWM Style 2919
Agency Approvals UL (E118871), RoHS & REACH Compliant UL (E118871), RoHS & REACH Compliant UL (E118871), RoHS & REACH Compliant
Illustration
Examples
Single Twisted Pair 2 Twisted Pairs 3 Twisted Pairs
tCBL-94 Cables 1 - 8 0 0 - 633 - 0 4 0 5
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RS-232/422 Data Cable Specifications
RS-232/422 Data Cables
L19772 Series L19853 Series
24 AWG 7-strand tinned copper; 2 twisted 24 AWG 7-strand tinned copper; 3 twisted pairs;
Construction pairs; cabled; overall foil and 65% tinned cabled; overall foil and 65% tinned copper braid
copper braid shield, PVC jacket shield, PVC jacket
Insulation Foam polyethylene Foam polyethylene
Pair 1 White/Blue Line & Blue/White Line White/Blue Line & Blue/White Line
Color Code Pair 2 White/Orange Line & Orange/White Line White/Orange Line & Orange/White Line
Pair 3 N/A White/Green Line & Green/White Line
2 Twisted pairs cabled; overall foil tape shield 3 Twisted pairs cabled; overall foil tape shield
Assembly and 65% tinned copper braid, jacketed and 65% tinned copper braid, jacketed
1” Lay (12 twists/foot)/cabling 2.0” lay 1” Lay (12 twists/foot)/cabling 2.0” lay
Pair Twist (6 twists/foot) (6 twists/foot)
Overall foil shield & 24 AWG strand tinned Overall foil shield, & 24 AWG strand tinned cop-
Shield/Drain copper drain wire plus 65% tinned copper
per drain wire plus 65% tinned copper braid
braid
Jacket Gray PVC Gray PVC
Diameter 0.266” Nominal 0.291” Nominal
Min. Bend 2.75” (Install) 3.0” (Install)
Cable Wt 34.2 lb/1000’ Approx. 43.3 lb/1000’ Approx.
Impedance 100Ω 100Ω
Capacitance 12.5 pF/ft Nom. 12.5 pF/ft Nom.
Resistance 27.2Ω DC per 1000 ft @ 20°C (68°F) max 27.2Ω DC per 1000 ft @ 20°C (68°F) max
Attenuation 0.6 dB/100 ft @ 1 MHz 0.6 dB/100 ft @ 1 MHz
Velocity of Propagation 79.1% 79.1%
1.5 Amps per conductor @ 25°C (77°F) 1.5 Amps per conductor @ 25°C (77°F)
Max. Current (Maximum recommended) (Maximum recommended)
80°C (176°F)/30V (AWM 2919) or 60°C 80°C (176°F)/30V (AWM 2919) or 60°C
Temp/Voltage (140°F)/300V (UL CM) (140°F)/300V (UL CM)
Temp Range -20ºC to 80ºC (-4ºF to 176ºF) -20ºC to 80ºC (-4ºF to 176ºF)
Plenum No No
Spool/Coil Length 100, 500 or 1000 feet 100, 500 or 1000 feet
UL Classification CM/CL2 or AWM Style 2919 CM/CL2 or AWM Style 2919
Agency Approvals UL (E118871), RoHS & REACH Compliant UL (E118871), RoHS & REACH Compliant
Illustration
Examples
2 Twisted Pairs 3 Twisted Pairs
tCBL-95 Cables 1 - 8 0 0 - 633 - 0 4 0 5
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RS-232/422 and RS-485
Data Cables Selection
Data Cables
Wiring No. of Weight
Part Number Length Pair Colors Description Price
Standard Pairs (lbs)
L19827-100 100 ft (30.5m) RS-485 cable, multi-conductor low capacitance, 4 $69.00
120Ω impedance data cable, 1 twisted pair, 24
Pair 1 - White/Blue Line & AWG conductors with polyethylene insulation,
Blue/White Line
L19827-500 RS-485 500 ft (152.4m) 1
Pair 2 - N/A
overall foil shield and tinned copper braid shield 18 $295.00
Pair 3 - N/A with 24 AWG tinned copper drain wire, chrome
gray PVC jacket, UL cable type CM/CL2 and AWM
L19827-1000 1000 ft (304.8m) style 2919 35 $490.00
L19954-100 100 ft (30.5m) RS-485 cable, multi-conductor low capacitance, 7 $95.00
Pair 1 - White/Blue Line & 120Ω impedance data cable, 2 twisted pairs,
Blue/White Line 24 AWG conductors with polyethylene insulation,
L19954-500 RS-485 500 ft (152.4m) 2 Pair 2 - White/Orange Line & overall foil shield and tinned copper braid shield 37 $425.00
Orange/White Line with 24 AWG tinned copper drain wire, chrome
Pair 3 - N/A gray PVC jacket, UL cable type CM/CL2 and AWM
L19954-1000 1000 ft (304.8m) style 2919 66 $745.00
L19773-100 100ft (30.5m) RS-485 cable, multi-conductor low capacitance, 7 $115.00
Pair 1 - White/Blue Line & 120Ω impedance data cable, 3 twisted pairs,
Blue/White Line 24 AWG conductors with polyethylene insulation,
Pair 2 - White/Orange Line &
L19773-500 RS-485 500 ft (152.4m) 3
Orange/White Line
overall foil shield and tinned copper braid shield 37 $498.00
Pair 3 - White/Green Line & with 24 AWG tinned copper drain wire, chrome
Green/White Line gray PVC jacket, UL cable type CM/CL2 and AWM
L19773-1000 1000 ft (304.8m) style 2919 64 $895.00
L19772-100 100 ft (30.5m) RS-422/RS-232 cable, multi-conductor low 4 $66.00
Pair 1 - White/Blue Line & capacitance, 100Ω impedance data cable, 2 twisted
Blue/White Line pairs, 24 AWG conductors with foam polyethylene
RS-232 &
L19772-500 RS-422 500 ft (152.4m) 2 Pair 2 - White/Orange Line & insulation, overall foil shield and tinned copper 21 $279.00
Orange/White Line braid shield with 24 AWG tinned copper drain wire,
Pair 3 - N/A chrome gray PVC jacket, UL cable type CM/CL2
L19772-1000 1000 ft (304.8m) and AWM style 2919 38 $455.00
L19853-100 100 ft (30.5m)
Pair 1 - White/Blue Line &
RS-422/RS-232 cable, multi-conductor low 5 $80.00
capacitance, 100Ω impedance data cable, 3 twisted
Blue/White Line pairs, 24 AWG conductors with foam polyethylene
RS-232 & Pair 2 - White/Orange Line &
L19853-500 RS-422
500 ft (152.4m) 3 Orange/White Line insulation, overall foil shield and tinned copper 23 $349.00
Pair 3 - White/Green Line & braid shield with 24 AWG tinned copper drain wire,
Green/White Line chrome gray PVC jacket, UL cable type CM/CL2
L19853-1000 1000 ft (304.8m) and AWM style 2919 41 $595.00
Data Cables Cross Reference
Alpha Wire & Carol Wire & Allied Wire &
ADC Part # Belden Cable Provo Cable Delco Cable
Cable Cable Cable
L19772-xxxx 8102 / 9729 6222C C0515A 1030 5402 30702
L19853-xxxx 8103 6223C C0516A 1032 5403 30702
L19827-xxxx 9841 6412 C0841A 9682 5401 43901
L19954-xxxx 9842 6413 C0842A 9684 5402 43902
L19773-xxxx 9843 6414 C0843A 9686 5404 43903
tCBL-96 Cables 1 - 8 0 0 - 633 - 0 4 0 5
