ZyXEL Communications ALC1248G, User Manual

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Chapter 2 Product Specifications
ALC1248G User’s Guide
24
2.3 Telco-50 Connector Pin Assignments
The following figures and table describe the pin assignments for the ALC’s Telco-50
connectors. The splitter card’s Telco-50 connector and the USER and CO hardware Telco-50
connectors on the rear panel of the splitter chassis also use the same pin assignments.
Figure 2 ALC Ports 1-24 Telco-50 Connector Pin Assignments
Figure 3 ALC Ports 25-48 Telco-50 Connector Pin Assignments
Table 6 ALC Telco-50 Connector Pin Assignments
PORTS 1-24
(FIRST TELCO-50 CONNECTOR)
PORTS 25-48
(SECOND TELCO-50 CONNECTOR)
Pin 1 NULL Pin 26 NULL Pin 1 NULL Pin 26 NULL
Pin 2 Ring Port 24 Pin 27 Tip Port 24 Pin 2 Ring Port 48 Pin 27 Tip Port 48
Pin 3 Ring Port 23 Pin 28 Tip Port 23 Pin 3 Ring Port 47 Pin 28 Tip Port 47
Pin 4 Ring Port 22 Pin 29 Tip Port 22 Pin 4 Ring Port 46 Pin 29 Tip Port 46
Pin 5 Ring Port 21 Pin 30 Tip Port 21 Pin 5 Ring Port 45 Pin 30 Tip Port 45
Pin 6 Ring Port 20 Pin 31 Tip Port 20 Pin 6 Ring Port 44 Pin 31 Tip Port 44
Pin 7 Ring Port 19 Pin 32 Tip Port 19 Pin 7 Ring Port 43 Pin 32 Tip Port 43
Pin 8 Ring Port 18 Pin 33 Tip Port 18 Pin 8 Ring Port 42 Pin 33 Tip Port 42