AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 106

Hardware Components
Control Unit
Figure 2-11. 551 T1 L1 Channel Service Unit
2-32 Adapters and Adjuncts
Maximum distance 440 ft
D8W Cord
to CO
o r
4 E S S
Connections
RJ45 (Female) to
1 5 p i n
D - S u b m i n i a t u r e
( M a l e ) t
Custom
Adpater
551 ST CSU REAR