Northern Telecom BCS35 Replacement Manual page 167

Figure 16–1
Four–channel communications (A17) circuit pack (NT6M85AA) options
Notes: 1. When used with digital data lines, make sure this pack is release 03 or later.
2. Jumpers J6, J7, J8, J9, and J10 may be on the reverse side of some printed
circuit assemblies.
Four–channel communication circuit pack 151
J1 J2
J3 J4
DPP Card Replacement Guide BCS35 and up
J9
J8
J10
J6
J7