Ricoh A230, Руководство по обслуживанию, Страница: 875 / 1134

BIT SWITCHES
2-11
ISDN U
N
IT
A8
1
6
SM A230/A231/A232
Parameter Switch 02
No. FUNCTION COMMENTS
0
1 Data rate (kbps)
Bit 1
0 Setting
0 0 64 kbps
0 1 56 kbps
Other settings: Not used
2 Not used Do not change the default settings.
3
4
5
Transmission mode
Bit 5
4 Mode
0 0 CS
Other settings: Not used
6
Not used Do not change the default settings.
7
Parameter Switch 03
No. FUNCTION COMMENTS
0 Link modulus
0: 8 1: 128 This setting determines whether protocol frame
numbering is done using 3 bits (0 to 7 then start
again at 0) or 7 bits (0 to 127 then start again at
0). Set this bit switch to match the network's
specifications.
1
to
7
Not used Do not change the default settings.
Parameter Switch 04 is not used. Do not change any of the default settings.
Parameter Switch 05
No. FUNCTION COMMENTS
0
1
2
3 Link timer (D-channel layer
2 T1 timer)
Bit 3
2 1 0 Value
0 0 0 0 0 s
0 0 0 1 1 s
0 0 1 0 2 s
and so on until
0 0 1 0 10 s
The link timer is the maximum allowable time
between sending a protocol frame and receiving a
response frame from the remote terminal.
4
to
7
Not used Do not change the default settings.