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RJ11-to-DB25 Female (Async DCE) Conversion Cables
The user's device may have a DB25 male connector. The following illustrations depict the RS-232 & RS-
422/485 wiring diagrams for constructing an RJ11-to-DB25 adapter cable for such applications.
RJ-11 Plug
1
2
3
4
5
6
To
RJ-11
Connector
Figure 13. RS-232 (ASYNC DCE) DB25 Conversion Cable
RJ-11 Plug
1
2
3
4
5
6
To
RJ-11
Connector
Figure 14. RS-422/485 (ASYNC DCE) DB25 Conversion Cable
Optical Specifications
The TC2400/TC2401 will work with all popular sizes and types of fiber optic cable.
Transmission Distances
Transmission distances of up to 4km* are typical over Multimode fiber at 850nm and 8km* at 1310nm.
Distances of up to 35km* are typical over Single Mode fiber at 1310nm. Should an application require greater
distances than those listed, contact the factory for information on the TC2400/TC2401 Laser version.
Launch Power & Sensitivity
Transmitter:
LED/ELED; typical Launch Power:
LASER:
Receiver:
PIN Diode; typical Sensitivity:
LASER:
Loss Budget:
850/1310nm Multimode, @62.5/125µm:
1310/1550nm Single Mode, @9/125µm:
*Launch power, sensitivity and distance are listed for reference only. These numbers may vary.
RJ-11 Plug
1
2
3
4
5
6
RJ-11 Plug
1
2
3
4
5
6
-19dBm* (850/1310nm Multimode, @62.5/125µm)
-16dBm* (1310/1550nm Single Mode, @9/125µm)
-34dBm* (850/1310nm Multimode, @62.5/125µm)
-36dBm* (1310/1550nm Single Mode, @9/125µm)
15dB
20dB
- 13 -
TC2400 & TC2401
Ring User's Manual
Rev. 1.7
RJ-11 to DB25 female
Async DCE
1
2
Tx Data
3
Rx Data
4
1
5
2
6
3
7
4
5
6
DCE
Device
P/N 650-01206-01
RJ-11 to DB25 Female
Async DCE Adapter
2
Tx Data+
TxData-
14
RxData+
1
3
2
RxData-
16
3
4
Signal &
1
5
Frame Gnd
6
7
DCE
Device
P/N 650-02206-01
To
To
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