Case Communications Mayze 24, Справочное руководство, Страница: 161 / 166

D.2.2 Terminal Block Wiring
The terminal block and its wiring configuration for PSTN operation is
shown in Figure D-2.
Figure D-2 PSTN Terminal Block Connections
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
6
5
4
3
2
1
Telephone Out (a)
PSTN Line In (a)
–
red
PSTN Line In (b)
–
white
Not Used
–
blue
Not Used
–
green
Telephone Out (b)
To use the modem on a leased line, replace the line cord with a six-way cord
(part no 710-1264) and connect it to the terminal block as shown in Figure
D-3.
Figure D-3 Leased Line Terminal Block Connections
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
a a a
6
5
4
3
2
1
Not Used
Leased Line Connection (a)
–
black
Leased Line Connection (b)
–
orange
Not Used
Not Used
Not Used
The red, white, green and blue wires must be cut back to the insulating
sleeve.
D.2.3 Transmit Level Settings
These levels are selected using the switch nearest the edge of the board.
SW4 SW3 SW2 SW1
(–8 dBm) (–4 dBm) (–2 dBm) (–1 dBm)
UK PSTN ON OFF OFF ON
UK leased line ON ON OFF ON
For UK use the switches must be set to the positions shown above that
correspond to the type of circuit used. They are factory set for PSTN use.
X460-306851 Issue 1 D-3 Rev.0