Despatch Protocol Manager with Protocol Plus - Manual (Page 51)

Protocol Manager Software E-100
47
The junction boxes are used to provide a drop from the network cable to each Oven.
The cables marked "To Oven Controller" are each terminated with a 9-pin Male
subminiature "D" plug, for mating with the Oven Controller's serial data receptacle. Wire
the drop cable according to the following table:
Oven
Signal
Junction Box
Terminal
9-Pin Plug
Pin Number
Rcv + 5 2
Rcv - 4 7
Xmit + 1 3
Xmit - 2 4
Gnd 3 5
The daisy-chain and drop cables may use shielded pairs. Cable shields should be
connected as follows:
At the B&B adapter B to the earth ground terminal
At each junction box B to the box interior chassis
At each drop cable 9-pin plug B to the plug shell, if conductive; do not
connect to anything if a non-conductive shell is used