Specifications

Excalibur Multirate DAP Installation and Operation
1-2
• Clear Channel 64 Kbps - operates on the Clear Channel 64 Kbps service offered
by Accunet Spectrum of Digital Services (ASDS
®
) and provides 64 Kbps to use
for data. An interruptive secondary channel is provided. When the secondary
channel is in use, 57.6 Kbps is available for data.
• Non-Interruptive Clear Channel 64 Kbps - provides a non-interruptive secondary
channel or a clear secondary channel over the Clear Channel 64 Kbps service in
exchange for a small amount of bandwidth.
• Customer owned copper wire (LDM) - provides short-haul point-to-point limited
distance communications capabilities and a non-interruptive secondary channel.
Figure 1-1 shows typical Excalibur Multirate DAP multimode applications.
EXCALIBUR
MR DAP
EXCALIBUR
MR DAP
EXCALIBUR
MR DAP
56 Kbps
EXCALIBUR C.S. DAPS
MULTIDROP 56 Kbps DDS CIRCUIT
EXCALIBUR
MR DAP
LDM CIRCUIT
2.4 TO 64 Kbps
EXCALIBUR
MR DAP
EXCALIBUR
MR DAP
EXCALIBUR
MP DAP
EXCALIBUR
MR DAP
EXCALIBUR
MR DAP
EXCALIBUR
MP DAP
19.2 Kbps 19.2 Kbps
PORT SHARING
19.2 Kbps
56 Kbps 56 Kbps 56 Kbps
9.6 Kbps 9.6 Kbps 9.6 Kbps
DDS
DDS-SC
Figure 1-1. Typical Excalibur Multirate DAP Multimode Applications
Models
The Excalibur Multirate DAP comes in standalone and central site models. The part
number/serial number label is located on the bottom of the DAP. Table 1-1 lists the part
number for each Excalibur Multirate DAP model. The following sections describe the
physical characteristics of the standalone and central site models.