Remote Door Client

os.pullEvent = os.pullEventRaw
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local doorLocation = "left"
local doorTime = 2
local channel = 20
local modem = peripheral.wrap("back")
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modem.open(channel)
while true do
 term.clear()
 term.setCursorPos(1, 1)
 print("Enter Password:")
 input = read("*")
 modem.transmit(channel, channel, input)
 local event, modemSide, senderChannel, replyChannel, message, senderDistance = os.pullEvent("modem_message")
 if message == "accepted" then
  redstone.setOutput(doorLocation, true)
  sleep(doorTime)
  redstone.setOutput(doorLocation, false)
 end

end