AT&T MERLIN LEGEND Installation & Maintenance Manual page 56

System Description
Table 1-4 Continued
Type
Expansion carrier
Frequency
generator
(ring generator)
Auxiliary power
Music coupler
Apparatus
Code or PEC
Compatible but must
403B
order system cover
separately (part 17A)
For Canadian use;
403D
system cover and spring
clips needed; the clips
are provided with the
MERLIN LEGEND
Communications System
upgrade package
Fully compatible
403F
Fully compatible
129B
Compatible but can be
335A
used only when the unit
loads do not exceed the
335A's capacity an
Auxiliary Power Unit
9024 is recommended
Fully compatible
61398
Comments
Control Unit 1-25