
3000 Series User Guide 13
Connecting to a DDS Network
To connect to a leased-line DDS network,
1. Connect one end of the unshielded twisted pair (UTP) RJ-48S cable to the
CSU/DSU connector on the DDS CSU/DSU module.
2. Connect the other end of the cable to an RJ-48S network interface jack
provided by your service provider.
The following figure shows the connection between the DDS module and a
DDS network.
Connecting to an E1 Network
To connect to an E1 network,
1. Attach one end of a grounding wire to the GND (ground) on the E1
module and then attach the other end to a system ground. (Optional)
2. Connect one end of the unshielded twisted pair (UTP) RJ-48C cable to the
E1 connector on the E1 module.
3. Connect the other end of the cable to the service provider’s network
interface box.
3000 Series
RJ-48S
Jack
3000 Series
VO
I
C
E
V
1
D
1
D
2
D
3
E
T
H
V
2
V
3
V
4
DATA
A
L
M
O
K
P
W
R
DDS
3000 Series
Network
Interface
Box
3000 Series
VOICE
V1
D1
D2
D3
ETH
V2
V3
V4
DATA
ALM
OK
PWR
E1
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