Cabling Examples - Paradyne 3350 User Manual

Cabling Examples

The E1 NTU is supplied with an ac power module.
Optional cables that you can order from AT&T
Paradyne are described in Appendix D, Pin Assignments.
Figure 2-10 illustrates some cabling examples.
COM PORT
POWER
PORT 1
AUX COM
120
PORT PORT
SERIAL
PORT
TO AC
POWER
MODULE
NOTE:
3100 SERIES
FRONT PANEL
EMULATION
SOFTWARE,
3100-C1-010
3350-A2-GB20-10
HDSL
NETWORK
HDSL
NETWORK
TX RX
RX SHIELD
120
OPEN NTU
IN
EARTH
OUT HDSL
75 75
75 NETWORK
G.703
TO DC
POWER
(OPTIONAL)
SNMP
MANAGER
Figure 2-10. Cabling Examples
June 1996
NOTE
The 120 / 75 switch selects
either the 120 ohm balanced
G.703 interface or the 75 ohm
unbalanced G.703 interface. The
RX SHIELD switch selects either
an "open" or "earth" shield
connection for the 75 ohm RX
interface. (This switch must be set
to "open" when using the 120 ohm
interface.)
HDSL
COM PORT
NETWORK
POWER
PORT 1
NTU
AUX COM
120
PORT PORT G.703
3100-F1-520
3100-F1-540
OR
Installation
HDSL
TX RX
RX SHIELD
120
OPEN
IN
EARTH
OUT HDSL
75 75
75 NETWORK
495-14773
2-7