
10-42
EPC Connecting Guide
•
Size
1.3cm x 5.3cm x 10.9cm
•
Weight
<0.1kg
Installation of micro-modem
Even if the micro-modem are not delivered with EPC product, the following indicates the
simple steps to install a micro-modem model ”Mini Driver ME762A-F”.
1. Connect the 4-wire telephone line to the unit’s 5-screw terminal block.
2. Set the DCE/DTE switch to the DCE position, since you are connecting the
micro-modem to node (a DTE).
3. Cabling: XMT + on RCV +, XMT – on RCV –
a. Connect the transmit pair to ’XMT” and the receive pair to ”RCV”. To maintain polarity,
make sure that the +XMT pair on the local driver is connected to the +RCV pair on
the remote driver. The +XMT pair on the local driver must be connected to the –RCV
pair on the remote driver.
b. A ground is provided to connect the cable shield.
4. You will be able to use straight-pinned DB25 cable. Connect the driver directly to the
25-pin connector of a serial port on the multi-way asynch board (case of EPC1200 or
EPC1200A node), or use a 9M/25M serial cable adapter (CBL1912) to connect it the
9-pin connector of the S3 serial port on the node (case of EPC400 case).
The following instructions for cabling and configuring apply to the micro-modem
Multi-Function Line Drivers ME657A-F or ME657A-M.
Note:
This micro-modem can only work in DCE mode.
Cabling:
XMT on RCV and RCV on XMT (no polarity)
Configuration:
Switch
Function
Setting
SW1-1
data rate
on
9 600bps
SW1-2
data rate
off
SW1-3
data rate
off
SW1-4
data rate
on
SW1-5
clock source
on
Internal
SW1-6
clock source
on
SW1-7
protocol
on
Asynchronous
SW1-8
carrier control
off
SW2-1
word length
off
10bits
SW2-2
word length
off
SW2-3
sig-rate range
off
SW2-4
RTS/CTS delay
on
SW2-5
RTS/CTS delay
on
SW2-6
2Wire/4Wire
on
4-wire full-duplex
SW2-7
2Wire/4Wire
off
SW2-8
test mode
off
Содержание Escala EPC1200
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Страница 85: ...7 9 Fast Ethernet Interconnect Requirements Figure 38 Redundant Fast Ethernet Interconnect for 3 to 8 Nodes...
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Страница 94: ...8 4 EPC Connecting Guide Cabling Diagrams Figure 42 Gigabit Ethernet Interconnect for 2 Nodes...
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