NEC Univerge SV8100 System Hardware Manual page 198

UNIVERGE SV8100
5.7 CD-4ODTB (4-Port Tie Line Interface Blade)
5.7.1
System Hardware Manual
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
Figure 4-28 CD-4ODTB Blade
Description
The CD-4ODTB Tie Line blade is an out band dial type analog tie line
interface blade. This blade supports system connections to either 2wire
(four lead, tip/ring) or 4wire (six lead, tip/ring/tip 1/ring 1) E&M signaling tie
lines (determined in Program 10-13). System programming is also used to
select the connection types with Type I or Type V. The CD-4ODTB
consumes 4 ports ranging between ports 001~200. Each blade requires
one universal slot and provides:
♦
Four analog tie line interfaces
♦
Two Blade status LEDs
♦
Two straps and one switch per circuit to determine the circuit type
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