Mitel SX 200 DIGITAL Pabx Superset 3 Telephone Description Manual

SECTION MITL9109-094-125-NAPage 50 

Circuit Card Descriptions
22. SWITCH MATRIX CARD
22.01 The Switch Matrix Card resides in a dedicated card slot directly
to the right of the MCC in the control bay of the 672-portSX-200 DIGITAL PABX. It expands the DX switching matrix, the static
non-volatile RAM, and the resources of the 7720 Digital Signal Proces-
sor. The card measures approximately 325 mm x 366 mm (12.8” x
14.4”).
Facilities
22.02 The Switch Matrix card provides:
024 x 24 link DX array
0Digital Signal Processor
lDial Tone Filter...

SECTION MITL9109-094-125-NAPage 52 

Circuit Card Descriptions
23. Tl DIGITAL TRUNK CARD
Brief Description23.01 The 
Tl Trunk card interfaces a single Tl trunk circuit to the
SX-200 DIGITAL PABX. The 
Tl protocol is used primarily in
North America.
Facilities23.02 The 
Tl Trunk Card provides the following facilities:
lTl Clock - System Clock Phase Comparator
lBidirectional Tl to ST-BUS@ data rate and format conversion
lLine Equalization
General Description23.03 The 
Tl interface will transmit and receive 24 8-bit voice/data
channels on a...

SECTION MITL9109-094-125-NAElectrical Description
23.10 in the transmit direction, the data from the system PCM link
must be converted from the 
Mite1 ST-BUS format of 32 chan-
nels at 2.048 
MBit/set to the Tl format of 24 channels at 1.544
MBit/set. To match the number of data channels, the TI card skips
every fourth channel on the ST-BUS links. The 
Tl interface circuits
retime the output data to I.544 
Mbits/set and add the framing bits.
23.11In the receive direction, the framing bits are removed,...

MITEL STANDARD PRACTICESECTION MITL9109-094-315-NAIssue 1, April 1988
SX-200” DIGITAL
PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)
ATTENDANT CONSOLE DESCRIPTION
OCopyright 1988, MITEL Corporation. All rights reserved.
@Registered Trademark of MITEL Corporation
T”Trademark of MITEL Corporation 

NOTICE
The information contained in this document is believed to be accurate in all respects but is
not warranted by Mite1 Corporation (MITEL). The information is subject to change without
notice and should not be construed in any way as a commitment by 
Mite1 or any of its
affiliates or subsidiaries. 
Mite1 and its affiliates and subsidiaries assume no responsibility
for any errors or omissions in this document. Revisions of this document or new editions of
it may be issued to incorporate such changes. 

Attendant Console Description
CONTENTSPAGE
1. INTRODUCTION
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Reason for issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. PHYSICAL DESCRIPTION
Upper Assembly.....................................3Keyboard Layout....................................
3Lower Assembly....................................
33. FUNCTIONAL DESCRIPTION
General..............................................

SECTION MITL9109-094-315-NACONTENTS (CONT’D)PAGE
SYSTEM IDENTIFIER............................27
CANCEL ALL CALL FORWARDING/CALLBACK..........28
DISA CODE..................................28
FLEXIBLE NIGHT SERVICE........................28
4. HOTEL/MOTEL FEATURES
General..........................................29
Call Block/Room-to-room Restriction....................29
Guest Room.......................................29
CLR REG.....................................30
SET WAKE-UP and CLR...

Attendant Console Description
FIGURETITLE
PAGE
3-14
3-15
3-16
3-17
3-17a
3-18
3-19
3-20
3-21
3-22
3-23
3-24
3-25
3-26
3-27
3-28
3-29
3-30
3-30a
3-3 1
3-31a
3-32
3-32a
3-33
3-33a
3-33b
3-34
3-35
3-36
3-36a
3-36b
3-37
3-38
3-39
3-40
3-41
3-42
4-l
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9Reaching a Busy Destination
....................14Returning to the Source
.......................
14Calling an Extension with Do Not Disturb (DND)......
15Connecting a Source and Destination or Forming a
3-Way Conference...