General DataComm DeskTop T1 Installation And Operation Instruction Manual page 23

Data service unit
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Installation
Table 2-2
Option Application Notes — Switchbank S14, Network
Characteristics (Continued)
Option
Selection
Network Inband
Inhibit*
Loop
Line
Payload
Base Rate
64k*
56k
Allocation
Consecutive* S14-8
Alternate
* Factory default selection.
Switch
Position
S14-5
Off*or On
Disables response to in-band T1
S14-6
Off*
On
loop codes
Note:
Both settings provide the same
result.
S14-5
Off
DSU starts or stops a Line Loop
S14-6
On
test when it detects the appropriate
inband loopback code.
S14-5
On
DSU starts or stops a Payload
S14-6
Off
Loop test when it detects the ap-
propriate inband loopback code.
S14-7
Off*
Each DS0 supports 64 kbps; all 8
bits of each DS0 are used for
payload.
S14-7
On
Each DS0 supports 56 kbps; 7 bits
are used for payload and the 8th bit
can be used to pass control
information
Off*
Selects consecutive DS0s for pay-
load.
S14-8
On
Selects alternate DS0s for payload;
unused DS0s are forced to marks
2-7
Description
GDC 048R154-000

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