Carrier WEATHERMAKER 48A2 - Page 35

35
Table 12 — MS/TP Wiring Recommendations
LEGEND
SPECIFICATION RECOMMMENDATION
Cable Single twisted pair, low capacitance, CL2P, 22 AWG (7x30), TC foam FEP, plenum rated cable
Conductor 22 or 24 AWG stranded copper (tin plated)
Insulation Foamed FEP 0.015 in. (0.381 mm) wall 0.060 in. (1.524 mm) O.D.
Color Code Black/White
Twist Lay 2 in. (50.8 mm) lay on pair 6 twists/foot (20 twists/meter) nominal
Shielding Aluminum/Mylar shield with 24 AWG TC drain wire
Jacket
SmokeGard Jacket (SmokeGard PVC) 0.021 in. (0.5334 mm) wall 0.175 in. (4.445 mm) O.D.
Halar Jacket (E-CTFE) 0.010 in. (0.254 mm) wall 0.144 in. (3.6576 mm) O.D.
DC Resistance 15.2 Ohms/1000 feet (50 Ohms/km) nominal
Capacitance 12.5 pF/ft (41 pF/meter) nominal conductor to conductor
Characteristic Impedance 100 Ohms nominal
Weight 12 lb/1000 feet (17.9 kg/km)
UL Temperature Rating
SmokeGard 167°F (75°C)
Halar -40 to 302°F (-40 to 150°C)
Voltage 300 Vac, power limited
Listing UL: NEC CL2P, or better
AWG — American Wire Gage
CL2P — Class 2 Plenum Cable
DC — Direct Current
FEP — Fluorinated Ethylene Polymer
NEC — National Electrical Code
O.D. — Outside Diameter
TC — Tinned Copper
UL — Underwriters Laboratories
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BACNET
BAUD RATE
DIP SWITCHES
ADDRESS
ROTARY
SWITCHES
POWER LED
RUN LED
ERROR LED
BACNET
CONNECTION
BT485
TERMINATOR
Tx2 LED
Rx2 LED
Tx1 LED
Rx1 LED
Fig. 35 — UPC Open Controller