Back Panel Features, Pin Connections

2. CONNECTIONS

Back Panel Features

The back panel of the Express 6530 SHDSL NxNTU is illustrated in Figure 3.

The SHDSL port uses a RJ-45 connector with the interchange circuits and pinouts listed in Table 3.

The 120 ohm balanced G.703 port uses a RJ-45 connector with the pinouts defined in Table 4. The G.703 port supports a 2048 Kbps port using a 120 ohm balanced interface that conforms to ITU-T G.703 Section 9.

Nx64K

NETWORK	CUSTOMER
SHDSL	G.703	X.21

CONTROL9035-265-80VACD250mA48-65Hz

V.35 / V.36

V.28

	Figure 3. Express 6530 Back Panel
	Table 3. SHDSL Pin Connections

Interchange Name		Description	Pinout

N/C		No Connection	1,2,3

tip		SHDSL tip	4

ring		SHDSL ring	5

N/C		No Connection	6,7,8

Table 4. G.703 Pin Connections

Pin Function

1Receive pair (ring)

2 Receive pair (tip)

3Receive shield

4 Transmit pair (ring)

5Transmit pair (tip)

6 Transmit shield

7NC

8NC

4	61225001L1-5D

2. CONNECTIONS