AT&T UPAM-K Drums User Manual


 
11
UPAM Printed Circuit Board (Rev. 8, 9, 10) Components Location
Installation Manual
Printed Circuit Board (Rev. 8) Components Location
Printed Circuit Board (Rev. 9) Components Location
Capacitor C4
Ring Delay Jumper
J1
Centrex Jumper
J2
Capacitor C4
Ring Delay Jumper
J1
Centrex Jumper J2
Centrex Jumper J3
Capacitor C4
Ring Delay Jumper
J1
Centrex Jumper J2
Centrex Jumper J3
Printed Circuit Board (Rev. 10) Components Location