DinBox PSTN Reference manual – V1.3
Bausch Datacom NV
5
1.
Introduction
6
2.
Block Diagram
7
3.
Specifications
8
3.1
Housing
8
3.2
Connectors
9
3.3
Environmental conditions
9
3.4
Power Supply specifications
9
3.5
PSTN modem specifications
10
4.
Ports and Connectors
11
4.1
Power connection
11
4.2
Standard DTE Interface
12
4.3
PSTN connection
12
5.
LED Indicators
13
6.
Watchdog functionality
13
7.
RS-485 interface
14
7.1
External connections
14
7.2
Schematic overview of the RS-485 circuit
15
7.3
Possible jumper settings
16
7.4
Example configuration for RS-485 communication
17
8.
AT-commands interface
18
8.1
Standard command overview
18
8.2
Enhanced features
22
8.2.1 Dump mode
22
8.2.2 Leased line configuration
22
8.2.3 Asynchronous DTR-dailling
23
8.2.4 Selective CID answer
23
A.
Certificate of compliance c-CSA-us
24
B.
EC-declaration of conformity
26
