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2-12
DHS- L Gener al Descr iption
Chapter 2 - Description and Installation
Peripheral Cards
DTMF Receiver Board
The DTMF is a small card mounted as a piggyback on the MISB. The DTMF Receiver card
contains 8 DTMF receivers and 8 dial tone detectors to provide additional resources to
the system when needed.
Figure 2-6: DTMF Receiver Board
T1IB Board
The T1 Interface Board (T1IB) provides the system interface to a T1 digital CO Line with 24
channels. The T1 includes a PLL (Phase Lock Loop) circuit and two DTMF receivers. The
digital lines can be programmed as Loop, Ground, DID, E&M Wink, and E&M Immediate.
The T1 has a 15-pin DB connector (DB-15) for connection to the MPB.
Figure 2-7: T1IB Board
PINOUT
DHS-L
RJ-45 (CSU)
11
1
3
2
9
4
1
5
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: ......
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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 ...
Page 222: ......
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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