User manual

Raisecom Technology Co., Ltd
12
connect the grounding end on the right of the device to the protection grounding of the
center office.
DC Power connector: It has three connection end: -48V, PGND and BGND. Please make
sure that the PGND end is connected to protection grounding. The grounding end on the
right of the device and the PGND are internally connected, so it is enough to connect any
of it to protection grounding.
4.2.3. V.35 Connector
Left figure is a standard ISO2593 connector of V.35
interface. This device has a DCE Connector Face-34 Pin
Female connector which can be connected to standard
DTE cable.
The description of this connector is as following table:
I-Input O-Output
Signal Name I/O Pin Name
Chassis Ground — CGND - A
Signal Ground — GND - B
Receive Data (A) — RD(A) O R
Receive Data (B) — RD(B) O T
Receive Timing (A) — RCK(A) O V
Receive Timing (B) — RCK(B) O X
Send Data (A) — TD(A) I P
Send Data (B) — TD(B) I S
Send Timing (A) — TCK(A) O Y
Send Timing (B) — TCK(B) O AA
Terminal Timing (A) — SCTE(A) I U
Terminal Timing (B) — SCTE(B) I W
Request to Send — RTS I C
Clear to Send — CTS O D
Data Set Ready — DSR O E
Data Carrier Detect — DCD O F
Data Terminal Ready — DTR I H
4.3. Dip-switch on the bottom
There are six group eight-bit dip-switches that are SW1, SW2,
SW3, SW4, SW5, and SW6 on the bottom of the device. The
configuring of these dip-switches must be performed
1 2 3 4 5 6 7 8
ON DIP
OFF
ON