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and then remove the wiring section of terminal block.
Please pay attention to the above operation sequence.
【E1 Port Connection】
The device provides 1 E1 port, interface type is BNC or RJ45,
interface impedance is 75 Ω unbalanced (BNC) and 120 Ω
balance (RJ45), supports interface 1500V electromagnetic
isolation protection. 120 Ω RJ45 pins are defined as follows:
Pin No.
Function definition
1.
NC (reserved)
2.
RX+ (positive received data)
3.
RX- (received data negative)
4.
GND (Ground)
5.
GND (Ground)
6.
TX+ (sending data positive )
7.
TX- (sending data negative)
8.
NC (reserved)
【RS-232 Connection】
The device provides 1 RS-232 interface
in the form of DB25 female head, which
can be connected to the RS-232 device
through the converter wire of DB25
male head to DB9 female head. The interface supports 600W
surge protection and 15KV static protection. The pin
definitions of RS-232 are shown as follows:
Pin No.
Function
definition
2.
TXD
3.
RXD
5.
CTS
6.
DSR
7.
GND
8.
DCD
【DIP Switch】
defined as follows.
The settings of SW1 are as follows:
Category
setting
Signal
Impedance
BNC
direction
Grounding
-
Input
Clock
Input
-
Loopback
-
Output
Output
-
Restore Factory Settings
Bit 1
ON
Bit 6
OFF
【Indicator】
The device provides LED indicators to monitor the device
working
troubleshooting; the function of each LED is described in the
table as below:
Signal direction
LED
Input
PWR
Output
Output
LOS
Output
AIS
-
ERR
Output
TD
RD
The device provides 1 set of DIP switch for
impedance, BNC grounding, clock, loopback
and factory setting. The functions are
DIP bit
Set the DIP to
Set the DIP to
OFF
ON
Bit 1
120 ohm
75 ohm
Bit 2
No Grounding
OUT
grounding
Bit 3
No Grounding
IN Grounding
Bit 4
Internal Clock
Line
clock
Bit 8
No loopback
E1 Loopback
Bit 9
No loopback
RS-232
Loopback
Bit 10
Reserved
Reserved
Bit 2
Bit 3
Bit 4
OFF
OFF
ON
Bit 7
Bit 8
Bit 9
OFF
OFF
OFF
status
with
a
comprehensive
Indicate
Description
ON
The power supply is running
normally
OFF
Power supply is disconnected
or running abnormally
ON
E1 interface receives no code
ON
E1 interface receives full 1 code
ON
E1 link interrupt
ON
Data received successfully
ON
Data sent successfully
Notice:
Whether AIS alarm is caused by a line fault, depends on
the actual situation. For example, when E1 port uses
non-similar HDLC protocol, when data communication
is not conducted, the whole 1-code signal must appear
on the line, and the AIS indicator will alarm. Just as
when the device was just powered on, the line not
port
connected to the E1 port was full 0 codes, and the AIS
light was not on. If the E1 port was carried on the outer
loop, then the E1 port was full 1 code, and the E1 light
recovery
would be naturally on.
【Specification】
Panel
RS-232
E1 Interface
Bit 5
Indicator
OFF
Bit 10
OFF
simplified
Power Supply
Power input
Terminal block
Power Consumption
Full-load
Working Environment
Working temperature
Storage temperature
Working humidity
1 RS-232, DB25 female head
1 E1, BNC or RJ45, 75 Ω
unbalanced (BNC) and 120 Ω
balance (RJ45)
Power
indicator,
losing
synchronization
alarm
indicator, upstream E1 link full
1-code alarm indicator, E1 link
interrupt alarm indicator, data
receiving indicator from G.703
network,
data
sending
indicator to G.703 network
220VAC
AC power supply outlet with
switch;
2W
-25~70℃
-40~85℃
5%～95% (no condensation)
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