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About the PathBuilder S24x, 26x, and 27x switch 1-9
Hardware Components
Hardware
Components
This table lists and briefly describes the hardware components that make up the
PathBuilder S24x, 26x, and 27x switch. More detailed descriptions of these
components follow.
Component Description
Enclosure A rack-mount unit that contains all the PathBuilder S24x,
26x, and 27x switch processor cards.
Back Panel Contains power outlets, power switch, communication ports,
and slots for I/O cards.
Motherboard Contains five data ports:
• Ports 1 and 2 are DIM ports
• Port 3 is a high-speed/V.36 DTE port
• Port 4 is the Ethernet AUI port
(see below for limitations)
• Port 6 is reserved for the control terminal port
Contains eight full-size expansion slots.
Integral DSU DIM
(Optional)
An option used in installations requiring connection to a
DDS interface conforming to AT&T 62310 or
ANSI T1E1.4/91-006, and running at 56 kbps.
10Base2
Transceiver for AUI
ports (optional)
Lets you accommodate different network configurations
through the user-selectable Signal Quality Error (SQE)
function.
T1 Dual Port
Digital PBX
Interface Card
PathBuilder S24x,
26x, and 27x
The T1 dual port digital PBX interface card supports digital
voice communications, providing integrated network access.
The T1 digital interfaces are used for both voice and data
traffic.
E1 Dual Port
Digital PBX
Interface Card
The E1 dual port digital PBX interface card supports digital
voice communications, providing integrated network access
(see Figure 1-12).
The E1 interface card is used to support both voice and data
traffic.
DSPM/SM The DSPM/SM card, used at nodes with digital PBX
interfaces, compresses four digital voice channels. It has no
external I/O capabilities.
DSPM with FXS
Analog Interface
The analog DSPM/FXS card allows the PathBuilder S24x
switch to support up to two voice/fax channels per card. Each
DSPM/FXS card occupies one ISA slot in the PathBuilder
S24x switch.
DSPM with FXO
Analog Interface
The analog FXO daughtercard (when mounted on the
DSPM/HC) allows the PathBuilder S244 and S254 switch to
support one voice/fax channel per card. Each DSPM/HX
with FXO daughtercard combination occupies one ISA slot
in the PathBuilder S244 and S254 switch.