Specifications
A-5
Data 1 and Data 2 Cable Descriptions
Data 1 (RJ45) Port
Modem Cable
Pinout (652 Only)
For the 652/654 product, this port can be used to connect either a modem device, or
an asynchronous EIA-232 DCE device. The following table shows the pinout for the
modem and async functions:
Note
You can also use the DB25 to RJ45 cable (part number 68362) to access the
async port.
RJ45 to DB25
Cable Pinout
If you are connecting an EIA-232 device to this port, for either the 651 or 652 units,
the DB25 connector for the other end of your cable must correspond to the following
pinout:
Note
You can order this RJ45 (EIA-232) to DB25 cable as an option when you order
your 650 Series unit.
The following table lists the pinouts for the model 651/653 cable
(part number 68361):
Pin #
Modem Signal
4-Wire
2-Wire
3
Analog Transmit
---
4
Analog Receive
Analog Transmit/Receive
5
Analog Receive
Analog Transmit/Receive
6
Analog Transmit
---
Interface Signal Name
Pin #
EIA
ITU-T V.24
1
TxD
103
2
Signal Ground
102
7
RxD
104
8
CTS
106
RJ45
Pin #
Interface Signal Name
DB25 Pin
#
1
TxD
2
2
Signal Ground
7
3
TxC
15
4
RTS
4
5
RxC
17
6
DTR
20