
4.2. Back panel
Sketch of the back panel of AC equipment
Sketch of the back panel of DC equipment
Power interface:
AC interface: standard 3 phase AC power supply interface. Please guarantee that it is
correctly grounded.
DC interface: DC ports: -48V, PGND, BGND, Please make sure that PGND is
grounded; BGND is connected to 0V of DC power supply; -48V is
connected to -48V of DC power supply.
V.35 interface:
The left figure shows V.35 interface ISO 2593
connector. Our converter adopts DCE Connector
Face – 34-Pin Female connector, which can be
connected with DTE cable.
The definition of interface is shown below:
I — Input; O— Output
Pin name
Input/Output Pin number
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
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