72
1.25
COMMS OP TION Z: 2400 b p s Dia l Op tio n Bo a rd
The Z dial option board provides a V22 PSTN interface. The port speed is software configurable. The
dial option board is designed to be compliant with British standards that are also used in Australia and
Hong Kong.
Telecommunication Line Cord
CAUTION
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord
Dia l Op tio n Bo a rd Co n n e c tio n s
RJ45 Pin
PSTN Function
RJ45 Socket
RJ45 Plug
87654321
12345678
GREEN / WHITE 1
GREEN 2
ORANGE / WHITE 3
BLUE 4
BLUE / WHITE 5
ORANGE 6
BROWN / WHITE 7
BROWN 8
TIA/EIA-568-B
Telecommunications
Standard
T568A Wiring
Standard
1
-
2
-
3
Reserved
4
Line -
5
Line +
6
Reserved
7
-
8
-
Dia l Op tio n Bo a rd S p e c ific a tio n s
PSTN Modem / Data Rate
V.22, 600 to 2400 bps
RTU DTE Port Speed
300 – 115200 bps
Line Impedance
600
Ω
Approval
International
Transmit level
-10 dBm
Receive level
-43 dBm to - 9 dBm
Dialling
Pulse or Tone
Internal Power Consumption
175 mA from +5 VDC Bus on backplane
Isolation
•
Maximum working voltage in respect to system
earth/ground must not exceed TNV-2 limits (80 V)
•
Transient voltage: 5 kV
Recommended Initialisation String Z Option: AT&FE0V0S0=2&C1&W
Operating Temperature
-20
to 70 °C
Storage Temperature
-40
to 85 °C
Operating Humidity
5 to 98% RH non-condensing
RTU Hardware Required
Can be installed in any of the following ports:
CP-10/11/21/30 Port 2 or Port 3
MC-10/11/30/31 Port 2 or Port 3
LP-1/2 Port4
LP-3 Port 3 or Port 4
*
Original dial circuit board is labelled
S2-DOB REV 1.0
and did not have a second soldered-on circuit board.