Table of Contents
iii
3550-A2-GB20-40
July 1999
List of Figures
Figure
Page
2-1
Model 3550 Hardware Switch Location (shown without a TDM/Flex)
2-3
. . . . . . . . . .
2-2
Model 3550 Electrical Connection
2-4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
Model 3550 DSU NMS Connection
2-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4
Model 3550 DSU Dial (PSTN) Network Connection
2-6
. . . . . . . . . . . . . . . . . . . . . . . .
2-5
Model 3550 DSU DDS (LADS) Network Connection
2-7
. . . . . . . . . . . . . . . . . . . . . . .
2-6
Addressing Example
2-9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7
Installing Cables
2-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
Model 3551 DSU Switch and Jumper Locations
3-3
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2
COMSPHERE 3000 Series Carrier, Rear View
3-5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3
Model 3551 DSU Installation and Circuit Pack Lock
3-6
. . . . . . . . . . . . . . . . . . . . . . . .
3-4
Model DSU V.35 Adapter Plug Installation
3-7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5
Addressing Example
3-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
Model 3550 Diagnostic Control Panel
4-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2
SDCP and Model 3551 DSU Faceplate
4-3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
Loopbacks
4-9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-1
Digital Network Connector
D-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-2
3600 Hubbing Device (3600-F3-300)
D-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-3
Model 3551 DSU 25-Pin EIA-232/25-Pin V.35
Rear Connector Plate (3000-F1-021)
D-4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-4
V.35 Adapter Plug (3000-F1-511)
D-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-5
EIA-232-D Crossover Cable (4951-035F
)
D-8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-6
V.35 Crossover Cable (3211-178F)
D-9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E-1
Point-to-Point Application Configurations with Internal and
External V.32 Backup
E-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E-2
Multipoint Application Configurations
E-3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of Contents for COMSPHERE 3550 Series
Page 4: ...COMSPHERE 3550 Series Data Service Units C July 1999 3550 A2 GB20 40 Notices...
Page 12: ...COMSPHERE 3550 Series Data Service Units vi July 1999 3550 A2 GB20 40...
Page 68: ...COMSPHERE 3550 Series Data Service Units 4 22 July 1999 3550 A2 GB20 40...
Page 98: ...COMSPHERE 3550 Series Data Service Units 5 30 July 1999 3550 A2 GB20 40...
Page 100: ...COMSPHERE 3550 Series Data Service Units A 2 July 1999 3550 A2 GB20 40...
Page 101: ...DSU Menu A 3 3550 A2 GB20 40 July 1999...
Page 108: ...COMSPHERE 3550 Series Data Service Units B 6 July 1999 3550 A2 GB20 40...
Page 122: ...COMSPHERE 3550 Series Data Service Units C 14 July 1999 3550 A2 GB20 40...
Page 129: ...Pin Assignments D 7 3550 A2 GB20 40 July 1999 Figure D 5 EIA 232 D Crossover Cable 4951 035F...
Page 134: ...COMSPHERE 3550 Series Data Service Units E 4 July 1999 3550 A2 GB20 40...