Ricoh A230, Service Manual, Page: 870 / 1134

BIT SWITCHES
2-6
A230/A231/A232 SM
Bit Switch 13: D channel layer 3 (Attachment IE in S: SETUP)
No. FUNCTION COMMENTS
5 Attachment of channel
information element (L3
CONN)
0: No 1: Yes Note for US National ISDN
Keep this setting at 1.
6
to
7
Not used Do not change the factory settings.
Bit Switch 14: D channel layer 3 (Selection IE in S: SETUP)
No. FUNCTION COMMENTS
0 ISDN G3 information
transfer capability
0: 3.1 kHz audio
1: Speech In tx mode, this determines the information
transfer capability informed in the [SETUP]
message.
In rx mode, this determines the information
transfer capability that the machine can use to
receive a call.
Refer to Appendix C for more details.
Set this bit to 1 if the ISDN does not support 3.1
kHz audio. This bit is only used in the USA and
the UK.
Note for US National ISDN
Keep this setting at 1.
1 Not used Do not change the factory settings.
2
3
4
Channel selection in
[SETUP] in tx mode
Bit 4
3 Setting
0 0 Any channel
0 1 B1 channel
1 0 B2 channel
1 1 Not used
Any channel: When this is informed to the
exchanger, the exchanger will select either B1 or
B2.
5 Called ID mapping
0: Called party number
1: Keypad facility 0: Called ID is mapped to the called party
number.
1: Called ID is mapped to the keypad facility.
On the 5ESS network (USA), set it to 1.
Note for US National ISDN
Keep this setting at 1.
6 Numbering plan for the
called party number
0: Unknown
1: E.164 E.164: This may be used in Sweden if an AXE10
exchanger is fitted with old software, and in
Australia.
Unknown: This is the normal setting.
7 Subaddress coding type
0: IA5 (NSAP)
1: BCD (ISO8348) This is normally kept at 0. However, some
networks require this bit to be at 1.