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COMSPHERE 3550 Series Data Service Units
Connecting to the NMS
A 3600 Hubbing Device is required to connect the control DSU to the 6700 Series NMS. When connected to the NMS, the DSU can be controlled and configured from the NMS rather than from the DCP alone.
.Procedure
1.Plug the
2.Plug one end of an M6BJ cable into the hubbing device jack labeled CC IN/DC OUT.
3.Plug the other end of the
4.Plug the
Refer to your COMSPHERE 6700 Series NMS documentation to control and configure the DSU from the NMS.
Connecting to the Dial (or PSTN) Network
If your DSU is equipped with a V.32 DBM, refer to Figure
.Procedure
1.Plug either end of the dial (analog) interface cable into the DSU jack labeled BACKUP.
•Permissive service ± telephone cord with
•Programmable service ± telephone cord with 8-pin RJ45S plug
2.Plug the other end of the cable into the modular jack provided by the telephone company, USOC RJ11C (permissive) or USOC RJ45S (programmable).
3.If your site has programmable service, verify that the DSU's hardware strap
NMS NETWORK
CONNECTION
LOW VOLTAGE
AC POWER IN
TO
NMS (873A)
CC/DC
|
| DEVICE |
3000HUBBING | ||
MODEL | #3000 |
HUBBING
DEVICE
Figure 2-4. Model 3550 DSU
Dial (PSTN) Network Connection
Figure 2-3. Model 3550 DSU NMS Connection
December 1996 |