Configuration
Table 5-8. Setting CM4 jumpers
Jumper Function
J3
Place all four J3 jumpers in T1/E1 position to select external timing input in T1/E1 format.
J4
Place all four J4 jumpers in 422 position to select external timing input in RS422 format.
J6
Used to select DI-A or TERMINAL, or DI-B, in 9508D chassis.
If the CM4 you are setting up is located in chassis slot 1, NO jumpers should be installed in J6.
If the CM4 you are setting up is located in chassis slot 10, J6 jumpers should be installed as
follows:
If the CM4 you are setting up is for DI-A or Terminal, the two upper J6 jumpers should be
installed. The two lower J6 jumper locations should be left blank.
RFL 9508D UCC
RFL Electronics Inc.
If the CM4 you are setting up is for DI-B, the J6 upper location, and the lower two
jumper locations should be left blank. The second from the top J6 jumper should be
installed.
Jumpers should be installed here
These two locations should be left blank
J6
J6
Jumper should be installed here on
All other J6 jumper locations sh
ly.
ould be left
blank.
J8
Place jumper J8 in RUN position for normal system operation.
Place jumper J8 in TEST position for factory testing only.
Note: All other jumpers on the CM4 are used for FACTORY TESTING only.
May 27, 2011
5-18
(973) 334-3100
