Raisecom
RC3000E (P100R001) Product Description
4 Cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
24
4.4.5 Jumper
Jumper Status
Function
Description
J7
Short
circuit
ISP
In ISP mode, you can update the MCU program
through the serial interface on the card and the system
is in wait-to-update status.
Open
circuit
NARMAL
Working mode
J8
Short
circuit
Unbalanced
The 2E1 interface of the subcard works in unbalanced
mode.
Open
circuit
Balanced
The 2E1 interface of the subcard works in balanced
mode.
J10
Short
circuit
Unbalanced
match
The No.1 way E1 works in unbalanced mode and
matches with the impedance at the RX side.
Open
circuit
Balanced
match
The No.1 way E1 works in balanced mode and is
matched with the impedance at the RX side.
J11
Short
circuit
Unbalanced
match
The No.2 way E1 works in unbalanced mode and is
matched with the impedance at the RX side
Open
circuit
Balanced
match
The No.2 way E1 works in balanced mode and is
matched with the impedance at the RX side
J12
Short
circuit
Unbalanced
match
The No.1 way E1 works in unbalanced mode and the
TX side is grounded.
Open
circuit
Balanced
match
The No.1 way E1 works in balanced mode.
J13
Short
circuit
Unbalanced
match
The No.2 way E1 works in the unbalanced mod and
the TX side is grounded.
Open
circuit
Balanced
match
The No.2 way E1 works in balanced mode.
Before delivery, J7 is in open-circuit status and can work properly. J8 are in short-
circuit status.
4.4.6 DIP switch
SW1: choose the balanced or unbalanced mode of the No.1 way E1 or No.2 way E1.
DIP bit Status
Function
Description
SW1-1
ON
Unbalanced
match
The No.1 way E1 works in unbalanced mode and
matches with the impedance at the RX side.