9    Four RJ-48 E1/T1 Module 
      Connectors
10  E1/T1 Module
11  DB-25M DSL 2nd Module
      Line Connector
12  DSL 2nd Module
13  DB-25F DSL 2nd Module 
      Power Connector
14  DB-25M DSL 1st Module 
      Line Connector
15  DSL 1st Module
16  DB-25F DSL 1st Module 
      Power Connector
17  10 Base-T RJ-45
       Management LAN Connector
18  RS-232 DB-9M 
      Terminal Connector
19  Dry Contact NC-NO 
      Alarm Wire Connector
20  10/100 Base-T RJ-45
      Data LAN Connector
21  AC Power Connector and 
      Power On/Off Switch
22  Chassis Shield Connection