3Com S26x Crib Toy User Manual


 
About the PathBuilder S24x, 26x, and 27x switch 1-27
Hardware Components
DSPM/E&M Card
Illustration
Figure 1-15 shows an example of the DSPM card with an analog E&M interface.
Figure 1-15. DSPM/E&M Card
MVIP Clock Termination Jumpers (Not Used)
-48V Power Supply Connector
Port 1
Port 2
Complex Impedance Jumpers
2-or 4-wire Jumpers
Port 1 LC
(Local Busy)
Port 1 RM
(Remote Busy)
Port 2 RM
(Remote Busy)
Port 2 LC
(Local Busy)
Pin 8
Pin 1