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2-8
DHS- L Gener al Descr iption
Chapter 2 - Description and Installation
Main Processing Board (MPB)
The MPB contains all of the necessary c ircuitry to operate the system. The MPB also
contains the system memory and maintains a customer-related database in system RAM.
All call processing and system maintenance are performed by the MPB. The MPB uses a
standard straight-through cable.
Two RS-232 serial DB-9 connectors are positioned in the front of the MPB. The top
connector, which is marked DBA, is used for connection to a personal computer with
remote programming software and with ICLID. The bottom connector, marked SMDR, is
used for connecting to a Station Message Detail Recording (SMDR) device.
Table 2-1
shows the RS-232 port connections.
Table 2-1: RS-232C DB-9 Connector
DCE
Male DB-9
Designation
K
S
U
1
DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Summary of Contents for Starplus DHS-L
Page 1: ...Technical Manual The Answer To Your Company s Growing Communication Needs DHS LTM ...
Page 2: ......
Page 3: ...S T A R P L U S D H S L Key Telephone System Technical Manual Issue 2 October 2001 ...
Page 14: ... N O T E S ...
Page 16: ......
Page 20: ......
Page 70: ...2 52 Feature Upgrade Procedure Chapter 2 Description and Installation ...
Page 72: ......
Page 220: ...3 150 Voice Mail Chapter 3 Key Station Features Operation and Programming ...
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Page 240: ...4 20 Voice Mail Chapter 4 SLT Features and Operation ...
Page 242: ......
Page 254: ...5 14 Configurations Chapter 5 HOTEL MOTEL Operator Features ...
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Page 286: ...B 4 Basic Optional Equipment Appendix B Part Numbers ...
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