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S
10
E C T I O N
The following outside line types can be used with the Xen Alpha system.
O
L
UTSIDE
INE
T
YPE
S
11
E C T I O N
Transmission, Network & Control Specifications
N
&
ETWORK
C
ONTROL
Transmission
Network
Time Division Multiplexing allows transmission of a number of separate data, voice
and/or video simultaneously over one communications medium. The information below
indicates the specifications the Xen Alpha system uses for switching, clock, data bus,
time-frame.
Installation Manual, Chapter 1 – System Overview
November 2003, A6-506000-642-01(8508), Release 6.0
Table 1-4: Weights and Dimensions (Continued)
Unit
PBR-B13 ETU
SLI(2)-B13 ETU
SLT(1)-U13 ADP
TRF-B13 ETU
VMS(2)-B13 ETU
VRS-B13 ETU
WM-R( ) Unit
WMU-UA Unit
* Shipping weight includes the shipping carton.
2-wire, Loop Start Trunks
ISDN-BRI Trunks
•
Data Length
From Multiline Telephone to ESI(8)-B13 ETU: 13 bytes
From ESI(3)-B13 ETU to Multiline Telephone: 13 bytes
•
Data Transmission Rates:
Between ESI(8)-B13 ETU and Multiline Telephone: 176 bps (voice and
signalling)
•
Scanning Time for each Multiline Telephone: 64 ms.
•
TDM Switching:
•
TDM Clock:
•
TDM Data Bus:
•
TDM Time-frame: 125 µs
Shipping
Height
Weight*
70 g
75 mm
170 g
93 mm
255 g
45 mm
100 g
93 mm
250 g
93 mm
120 g
93 mm
301 g
104 mm
301 g
104 mm
PCM (A-Law)
2.048 MHz
16 bit
Width
Depth
65 mm
20 mm
138 mm
24 mm
70 mm
120 mm
138 mm
15 mm
138 mm
37 mm
138 mm
20 mm
151 mm
180 mm
151 mm
180 mm
33
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