Figure 5. T1X I/O Card; Table 1. T1 Switch Settings For Line Length - Canoga Perkins 3240S User Manual

a. Both ends of each link must use the same type of line coding; set SW1 and SW3 positions 4
and 8. For B8ZS, set the switch to closed (C). For AMI, set the switch to open (O). If you
will control line coding through the software, set the switch to open.
b. Set the line length for each port in your system; see Table 1.

Table 1. T1 Switch Settings for Line Length

Line Length
0-133 ft. *DSX-1 ABAM Wire AT&T 600B/600C
133-266 ft. *DSX-1 ABAM Wire AT&T 600B/600C
266-399 ft. *DSX-1 ABAM Wire AT&T 600B/600C
399-599 ft. *DSX-1 ABAM Wire AT&T 600B/600C
533-655 ft. *DSX-1 ABAM Wire AT&T 600B/600C
AT&T CB113 Repeater
FCC Part 68, Opt A CSU Network Infc
ANSI T1.403 CSU Network Infc
* DSX-1 ABAM: T1 electrical interface specification for 22 gauge unshielded twisted pair.

Figure 5. T1X I/O Card

2-2
EdgeAccess
Application
3240S Fiber-Optic Multiplexer
SW1 or SW3
1 2 3 5 6 7
O O C O O C
C C O C C O
O C O O C O
C O O C O O
O O O O O O
O C C O C C
C O C C O C
O O C O O C