Telenetics MOT202T User Manual
Page 3
25111 Arctic Ocean Drive
Lake Forest, CA 92630
tel. 949.455.4000 fax. 949.455.4010
www.telenetics.com
Document #0071 0700
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All other trademarks are the property of their respective holders. ©2000
For more information on Telenetics’ wireless
products and services, call:
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Power edge
A 12-pin edge connector located at the
left side of the modem board. This
connector supplies the modem board with
power from the standalone case or the
modem rack. Header H1 is located on top
of P1.
Pin
Voltage
Function
Header H1 Pin
10
+ 15 VDC
Transformer 20 VAC
2
12
- 15 VDC
Transformer 20 VAC
1
8
Center Tap Transformer center tap
3 & 4
4
+ 8.5 VDC
Transformer 10 VAC
6
6
+ 8.5 VDC
Transformer 10 VAC
5
2
GND
Chassis Ground
n.c.
connector
connector
Digital Data edge
P2 is a 25-pin edge connector located at
the backend of the modem board. The eleven
signals routed to and from this connector
are the RS 232 data interface signals.
Pin
RS 232
V.24
Function
circuit
circuit
1
AA
101
Protective Ground
2
BA
103
Transmitted Data
3
BB
104
Received Data
4
CA
105
Request To Send
5
CB
106
Clear To Send
6
CC
107
Data Set Ready
7
AB
102
Signal Ground
8
CF
109
Data Carrier Detect
9
----
----
+ 12 Volt.Test only
10
----
----
- 12 Volt.Test only
25
----
----
Analog Loop back
Modem Board Selective Jumper Options
*Specifications are subject to change without notice
Operational Settings
Data Carrier Detect Level
- 30 dBm
- 45 dBm
Transmit Level
0 dBm
- 2 dBm
- 4 dBm
- 6 dBm
- 8 dBm
- 10 dBm
- 12 dBm
- 14 dBm
Line Connection
2- wire
4- wire
Turnaround Squelch
In
Out
Transmit Carrier
RTS Control
Constant Carrier
Local Copy Squelch
No Local Copy
Local Copy
Test Generator Baud rate
1
18
37
75
150
Chassis GND Option
Chassis GND and Signal GND not connected
Chassis GND and Signal GND connected together
Modem Timing
RTS/CTS Delay
8 ms
33 ms
59 ms
219 ms
Data Carrier Detect Delay
6 ms
23 ms
Turnaround Squelch Time
83 ms
159.6 ms
Soft Carrier Timing
No Soft Carrier
8.3 ms
26.6 ms
Anti-Streaming Time
4 ms
7.6 ms
14 ms
28 ms
56 ms
Out