Specifications
APPENDIX A: TECHNICAL SPECIFICATIONS
A - 15
Communications
Functions:
Autodialling (tone and pulse) modem conforming to:
V.21,V.22, V.23, V.22bis, V.27ter, and V.29 standards.
It supports V.25 auto answering recommendations.
Dialling:
May be used with either tone (MF) or pulse (LD) signalling BT lines.
Echo suppressor:
Echo-suppressor tone (V25) when auto answering.
REN:
1.
Fax operation:
Controlled automatically by the software supplied with the 3Fax modem.
The 3Fax modem can send faxes at up to 9600bps.
The fax feature is compatible with Group 3 fax machines.
Computer connection
Connector:
6-way two row rectangular (female) plug
for connection to a Psion Series 3a.
See the 'Reduced External Expansion' section of the 'SIBO Expansion Ports'
chapter in the
Hardware Reference
manual for pinout details.
Network connection
Data transfer rate:
up to 9600bps with V.22bis and V.42bis
(compression is dependant upon file type)
Operational modes:
V.22bis 2400 bps full duplex
V.22 1200 bps full duplex
V.23 1200/75 full duplex 75/1200 full duplex
V.21 300 bps full duplex
V.27 ter 4800 bps fax send and receive
V.29 9600 bps fax send and receive
Line connection:
2 wire PSTN via BT 600 type modular jack
3 wire Bell Tinkle Suppression supported
Signal level:
-9 dBm
Equalisation:
Transmit fixed compromise
Receive automatic adaptive
Interface:
600 ohm
Error correction:
V.42 incorporating LAPM and MNP Class 4
Data compression:
V.42bis and MNP Class 5
Autodial/autoanswer
Dial method:
Tone or pulse, selectable
Call progress:
Loudspeaker with volume control
Extended results codes
Call control:
Extended "AT" command set
Automatic answer:
To CCITT V.25 recommendation
Mode selection:
Automatic configuration to V.21/V.22/V.23 & V.22bis on receive
Call disconnection:
Loss of carrier, DTR or by command
BABT Approval
Approval number:
NS/1397/3/R/604375
The greyed out table is statutory statements and not really part of the tech spec
Nokia 21XX to Series 3c/Siena SMS Cable
- Technical specification
This SMS cable is available from the beginning of January 1997.
This SMS Link cable connects a Psion Series 3c or Siena to Nokia’s 21XX range of GSM/DCS/PCS
digital mobile phones.
The cable is for use with applications based on version 2.01 of the SMS SDK running on a Siena or
Series 3c.
The top level Psion part number for this SMS cable is 1601- 0106 -01.