Quad User Modules
User Manual
80-14001000-03
2–14
2.11 Jumpers - X.21 Rear Backup Interface Card
User 1 & 2 and Link 1 & 2 are on the bottom pcb, User 3 & 4 and Link 3
& 4 are on the top pcb. The links are in the same relative positions on
both cards.
Jumper
Description
F=Factory
Set
JP1
Connects User 1 or 3 pin 1 to ground
Not fitted
JP2
Connects Link 1 or 3 pin 1 to ground
Not fitted
JP3
Connects User 2 or 4 pin 1 to ground
Not fitted
JP4
Connects Link 2 or 4 pin 1 to ground
Not fitted
JP5
Not used
JP6
Connects 120R across Link 1 & 3 Clock
Not fitted
JP7
Connects 120R across Link 1 & 3 Indicate
Not fitted
JP8
Connects 120R across Link 1 & 3 RxD
Not fitted
JP9
Connects 120R across User 1 & 3 TxD
Not fitted
JP10
Connects 120R across User 1 & 3 Control
Not fitted
JP11
Connects 120R across Link 2 & 4 RxD
Not fitted
JP12
Connects 120R across Link 2 & 4 Indicate
Not fitted
JP13
Connects 120R across Link 2 & 4 Clock
Not fitted
JP14
Connects 120R across User 2 & 4 TxD
Not fitted
JP15
Connects 120R across User 2 & 4 Control
Not fitted
Summary of Contents for SBUQHS/QHB
Page 92: ...Menu Diagrams 80 14001000 03 12 3...
Page 93: ...Quad User Modules User Manual 80 14001000 03 12 4 12 1 2 SBUQLS QLB Operation Menu...
Page 94: ...Menu Diagrams 80 14001000 03 12 5 12 2 SBUQHS 12 2 1 SBUQHS QHB Operation Menu...
Page 95: ...Quad User Modules User Manual 80 14001000 03 12 6 12 2 2 SBUQHS QHB Configuration Menu...