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APPENDIX G — UPC OPEN CONTROLLER (CONT)
Table AS — MS/TP Wiring Recommendations
Table AT — Open System Wiring Specifications and Recommended Vendors
Table AU — LED Status Indicators
Table AV — Run and Error LEDs Controller and Network Status Indication
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°F to 302°F (–40°C to 150°C)
Voltage 300 Vac, power limited
Listing UL: NEC CL2P, or better
LEGEND
AWG — American Wire Gauge
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
WIRING SPECIFICATIONS RECOMMENDED VENDORS AND PART NUMBERS
Wire Type Description
Connect Air
International
Belden RMCORP
Contractors
Wire and Cable
MS/TP
Network (RS-485)
22 AWG, single twisted shielded pair, low capacitance, CL2P, TC foam
FEP, plenum rated. See MS/TP Installation Guide for
specifications.
W221P-22227 — 25160PV CLP0520LC
24 AWG, single twisted shielded pair, low capacitance, CL2P, TC foam
FEP, plenum rated. See MS/TP Installation Guide
for specifications.
W241P-2000F 82841 25120-OR —
Rnet 4 conductor, unshielded, CMP, 18 AWG, plenum rated. W184C-2099BLB 6302UE 21450 CLP0442
LEGEND
AWG — American Wire Gauge
CL2P — Class 2 Plenum Cable
CMP — Communications Plenum Rated
FEP — Fluorinated Ethylene Polymer
TC — Tinned Copper
LED STATUS
Power
Lights when power is being supplied to the controller. The UPC Open controller is protected by internal solid-state polyswitches on the incoming power
and network connections. These polyswitches are not replaceable and will reset themselves if the condition that caused the fault returns to normal.
Rx Lights when the controller receives data from the network segment; there is an Rx LED for Ports 1 and 2.
Tx Lights when the controller transmits data to the network segment; there is an Tx LED for Ports 1 and 2.
Run Lights based on controller status. See Table AV.
Error Lights based on controller status. See Table AV.
RUN LED ERROR LED STATUS
2 flashes per second
Off Normal
2 flashes, alternating with Run LED Five minute auto-restart delay after system error
3 flashes, then off Controller has just been formatted
1 flash per second Controller is alone on the network
On Exec halted after frequent system errors or control programs halted
5 flashes per second
On Exec start-up aborted, Boot is running
Off Firmware transfer in progress, Boot is running
7 flashes per second 7 flashes per second, alternating with Run LED Ten second recovery period after brownout
14 flashes per second 14 flashes per second, alternating with Run LED Brownout
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