Northern Telecom DMS-100 Series Maintenance Manual page 22

2-4 DPP system operation
Figure 2-3
DPP data paths (sheet 2 of 3)
DPP
To DMS-100
DSI(MTD)
Controller
To DMS-100
IOC 0
EIA
TERMINAL
To DMS-100
IOC 1
To DMS-100
DSO (MTD)
Controller
297-1001-537 Standard 01.02 December 1993
INTERFACE
A
B
POWER/
ALARM/
COMMU-
NICATIONS
C
D
INTERFACE
(A)
DATA
STREAM
A
B
CPU
A
QUAD
SIO
QUAD
SIO
CPU
DATA
B
STREAM
C
D
DISK
DISK
AS-
INTER-
SEMBLY
FACE
A
A
DISK
DISK
AS-
INTER-
SEMBLY
FACE
B
B