3com S24x Manual De Usuario
1-26
About the PathBuilder S24x, 26x, and 27x switch
Hardware Components
DSPM Card with Analog E&M Interface
Introduction
The DSPM/E&M card supports two analog E&M interface voice channels.
Description
The Analog DSPM/E&M card allows the PathBuilder S24x, 26x, and 27x switch to
support up to two (2) voice/fax channels per card. Each E&M card occupies one ISA
slot in the PathBuilder S24x, 26x, and 27x switch. The PathBuilder S24x, 26x, and
27x switch E&M card supports both two- and four-wire interfaces.
support up to two (2) voice/fax channels per card. Each E&M card occupies one ISA
slot in the PathBuilder S24x, 26x, and 27x switch. The PathBuilder S24x, 26x, and
27x switch E&M card supports both two- and four-wire interfaces.
Function
The DSPM/E&M card allows a PBX to attach to one of its two connectors.
-48V Ringer/ Power
Supply Card
Required
Supply Card
Required
The DSPM/E&M card requires installation of a -48V ringer/power supply card and
enclosure into the PathBuilder S24x, 26x, and 27x switch node to support interface
types II, III, and V.
enclosure into the PathBuilder S24x, 26x, and 27x switch node to support interface
types II, III, and V.
Interface type I does not require a -48V ringer/power supply.
Cables Required
The DSPM/E&M interface card requires a -48V ringer/power supply cable to
support interface types II, III, and V.
support interface types II, III, and V.
The -48V ringer/power supply cable connects up to six DSPM cards to the power
supply. The cable ships with the -48V ringer/power supply.
supply. The cable ships with the -48V ringer/power supply.
For details on how to cable the DSPM card to the -48V ringer/power supply, refer to
the “-48V Ringer/Power Supply Card and Enclosure” section on page 1-53.
the “-48V Ringer/Power Supply Card and Enclosure” section on page 1-53.
When You Receive
the Card
the Card
When you receive a DSPM/E&M card, do the following:
Step
Action
1
Remove it from the packing material.
2
Inventory the contents of the shipping container.
Note
No cables are shipped with the DSPM/E&M card. The appropriate
6-position power cable and status cable ship with the -48V ringer/power
supply card that must be used in conjunction with the DSPM/E&M
card.
6-position power cable and status cable ship with the -48V ringer/power
supply card that must be used in conjunction with the DSPM/E&M
card.
3
Set jumpers as required.
4
Power off the node.
5
Install the card into the PathBuilder S24x, 26x, and 27x switch node.
6
Cable the card to the -48V ringer/power supply as required.