ISDN Unit
A895
BIT SWITCHES
SM 2-7 A265/A267
Bit Switch 16: D channel layer 3 (Approval)
No. FUNCTION COMMENTS
0
1
Answer delay time
Bit10Setting
0 0 No delay
0 1 1.0 s delayed
(1TR6)
1 0 0.5 s delayed
11Not used
In Germany (1TR6), a time delay to answer a call
is required.
In other countries, use this switch as follows:
If the machine is connected to the same bus from
the DSU as a model K200, the machine receives
most of the calls because the response time to a
call is faster than the K200.
If the customer wants the K200 to receive most of
the calls, adjust the response time using these
bits.
If the customer does not want one machine to
receive most of the calls, use subaddresses to
identify each terminal.
2
Action when receiving
[SETUP] signal containing
user-specific called party
subaddress
0:
Ignores the call
1:
Receives the call
Normally, the 3rd octet of called party subaddress
information in the [SETUP] signal is set to NSAP.
However, some networks may add “user-specific”
subaddress to the [SETUP] signal (UK), and the
result of this is that the machine won't answer the
call if a subaddress is specified.
So, change this bit to 1 to let the machine receive
the call if the machine is connected to such a
network.
3-4
Not used Do not change the factory settings.
5
Indicated bearer capabilities
0:
56 kbps
1:
64 kbps
1:
64 kbps calling is indicated in the Bearer
Capabilities, but communication is at 56 k. Use
this bit if the machine is connected to a network
which does not accept a 56 kbps data transfer
rate as a bearer capability.
6
Not used Do not change the factory setting.
7
Transfer capabilities (SI)
informed in 1TR6 ISDN G3
transmission
0:
G3 Fax
1:
Analog
This bit determines whether transfer capabilities
are informed in the Service Indicator for 1TR6
ISDN G3 transmission. This switch is effective in
coping with communication problems with some
types of T/A and PBXs.
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