Digital
System
Hardware Manual for
Businesscom DS01
CEU/Power Supply Site Requirements
Choose a central site for the MDF plywood backboard, within 7’ of a dedicated AC outlet and 25’ of earth ground.
Allow space for multiple CEU’s and power supplies. CEU’s
must be located within 3’ of each other. Power supplies
must be located within 6’ of the CEU and within 6’ of a
dedicated AC outlet. See Figure 1.
Allow space for telco and station connectors, all ancillary
equipment (ie; BGM/MOH source, voice mail, external paging equipment), and expansion. Refer to Nitsuko’s Standard
Practices Manual (P/N N2710STD01) for general environment and site specifications.
FIGURE 1
Mounting the CEU
1. Locate CEU mounting screws. Drill holes (2) in
backboard using a 1/8” drill bit. Refer to mounting
dimensions in Figure 2 (or use template, if installed).
2. Install CEU mounting screws (2) in holes. See Figure 2.
Use screw gauges to set proper screw depth.
(Screws & gauges are in plastic packet).
3. Hang CEU on mounting screws.
4. Drill lower CEU screw hole using a 1/8” drill bit.
See Figure 2. Install and tighten screw.
5. Ground each CEU using #12 AWG (or larger)
ground wire to earth ground.
Mounting the Power Supply
1. Use power supply as template to locate mounting
screw holes.
2. Drill holes (2) in backboard using a 1/8” drill bit.
3. Locate power supply over holes.
4. Install screws (2-not provided).
FIGURE 2
Connecting the Power Supply to the CEU
1. Loop the power supply CEU power cord 3 times
through a ferrite bead (supplied in box).
2. Plug in the power supply CEU power cord into the
MAIN POWER connector on the CEU. See Figure 3.
Do not plug the power supply into an AC outlet.
1. CEU AND POWER SUPPLY
FIGURE 3
Power Strip/Surge Protector Connections
1. Plug the power supply cord into a power strip.
2. Plug the power strip into an AC surge protector.
3. Plug the surge protector into a dedicated AC outlet.
Powering Up
1. Turn the power switch on the power strip ON.
Refer to Power Up Procedure below (see Figure 4) for
proper sequence when not using a power strip.
2 CEU’s 3 CEU’s
1. Exp. CEU (SAUX) 1. Exp. CEU #2 (XAUX)
2. Exp. CEU (AUX) 2. Exp. CEU #1
3. Main CEU (AUX)
FIGURE 4
(SAUX)
Installing CO and Station Modules
Power down to install or remove any module.
To install CO and Station Modules:
1. Line up the screw hole in the new module (i.e., the one you
are installing) with the pilot hole in the CEU base or existing
module. See Figure 5.
2. Place new module on CEU or existing module. If placing new
module on existing module, be sure to line up the ground lugs.
3. When placing new module on CEU, insert short screw through
new module and into CEU base. Tighten screw.
OR When placing new module on existing module, insert long
screw through new module and into CEU base. Tighten screw.
4. Insert the ribbon cable into the desired connector on the CEU:
(a) inside module's ribbon cable plugs into the outside
connector (b) outside module's ribbon cable plugs into the
inside connector.
01853L12A
FIGURE 5
CEU Position Extensions PCU Lines
Main 1 (inside) 300-311 368 1-4
Main 2 (outside) 312-323 369 5-8
Expansion #1 1 (inside) 324-335 370 9-12
Expansion #1 2 (outside) 336-347 371 13-16
Expansion #2 1 (inside) 348-359 17-20
Expansion #2 2 (outside) 360-371 21-24
#2 (outside)
#1 (inside)
#1 (inside)
FIGURE 6 FIGURE 7
4
3
2
1
8
7
01853L16
312-323
300-311
6
5
#2 (outside)
01853L15
Installing AUX, SAUX, and XAUX Modules
A minimum of 7" clearance is required on the right side of a
CEU to install an AUX/SAUX/XAUX. Power down to install or
remove an AUX/SAUX/XAUX module or an 8-pin line cord.
Note: Initialization is not required to add an AUX to a system
running on CEU base software. The numbering plan, however,
changes automatically for lines, extensions, and ring groups.
To install an AUX, SAUX, and XAUX Module:
1. Remove cover plate.
2. Close CEU ejector tabs and insert the AUX into the CEU
upper and lower rails.
the CEU ejector tabs.
Push the module in until it clears
See Figure 8.
3. Open ejector tabs. Locate ribbon cable over connector.
4. Push in the module until it seats firmly into the CEU.
5. Push ribbon cable connector until firmly seated. The CEU
ejector tabs close. Tighten module screws (2).
Thumb Screw
01853L13
Ribbon
Thumb Screw
FIGURE 8
Cable
FIGURE 9
To install AUX, SAUX, and XAUX line cords:
1. Install line cords. Two CEU's: AUX-SAUX 6' line cord; three
CEU's: AUX-XAUX 3' line cord & XAUX-SAUX 6' line
cord. See Figure 10.
2. STATION, CO AND AUX/SAUX/XAUX MODULES
Note: AUX terminal program passwords: ONYXVSK, if AUX
FIGURE 10
is installed in a working system, but not initialized; DS01H, if
initialized with AUX installed.
CO Line Installation
A modular line cord is required to connect Telco's RJ11C CO line
interface to a 4CO or 4CO\CND module. See Figure 7.
To connect a CO line to a 4CO or 4CO\CND module:
1. Plug one end of a modular line cord into a Telco RJ11C jack.
2. Insert the line cord's other end into the desired modular connector
on a 4CO or 4CO\CND module.
Installing Stations
Station connection for each extension requires two-pair twisted
station cable and a 4-conductor modular jack. See Figure 11.
Install a Dual ASI (any CEU) and DSS console (Main CEU only) to
an even-numbered port (except port 00). Leave the next-highest
adjacent odd-numbered port unterminated. See Figure 12.
Note: Single and Dual ASI's cannot be installed in ports 68-71.
To install a multibutton telephone, single port ASI, Electronic
Single Line telephone, or DSS console:
1. Install 625 modular jack within 6' feet of each extension.
2. Punch down 2-pair twisted station cable to desired extension
on cross-connect block. See Figure 13 for cutdown.
3. Terminate the other end of the station cable at each modular jack.
4. Plug the extension's line cord into the modular jack.
WHT-BLU
FIGURE 11
(RT) BLK
WHT-ORN
ORN-WHT
(RR) YEL
BLK
YEL
BLU-WHT
(TT) GRN
GRN
RED
(TR) RED
01853L17
Note: Refer to the Data Products Manual to install a Data Module.
Refer to the 12SCU/PCU Installation and Programming Instructions
when connecting a 500/2500 type device to a 12SCU/PCU module.
To connect the station block and cross-connect block:
1. Punch down 25-pair cable to station block.
2. Plug female connector end of 25-pair cable into Station Module.
3. Use x-connect to bridge station block to cross-connect block.
Note: DS01 telephones have electret-type handsets. For headset
operation, use Plantronics' Supra Star Mate (model # MH0503-1)
or an equivalent electret-compatible headset.
To install a Dual ASI:
1. Ground Dual ASI to earth ground using 14AWG ground wire.
2. Punch down 2-pair twisted station cable to an even-numbered
port on station block. Install bridging clips as shown in Figure 12.
3. Jumper to adjacent port's B pair using one-pair x-connect.
4. Terminate the other end of the station cable to a modular jack.
To install a Dual ASI (cont’d.)
5. Plug one end of a 4-conductor line cord into the jack and the
other end into the Dual ASI's STA connector.
6. Plug in a line cord(s) from Dual ASI's OPX 1 and OPX 2 ports
to 2500-type device or Telco's OPX block.
FIGURE 12
3. STATION AND CO CABLING
CEU
25-PAIR CABLE
MAIN
CEU
(OUTSIDE)
312 (12)
313 (13)
314 (14)
315 (15)
316 (16)
317 (17)
318 (18)
319 (19)
320 (20)
321 (21)
322 (22)
323 (23)
EXP.
CEU 1
(INSIDE)
324 (24)
325 (25)
326 (26)
327 (27)
328 (28)
329 (29)
330 (30)
331 (31)
332 (32)
333 (33)
334 (34)
335 (35)
EXP.
CEU 1
(OUTSIDE)
336 (36)
337 (37)
338 (38)
339 (39)
340 (40)
341 (41)
342 (42)
343 (43)
344 (44)
345 (45)
346 (46)
347 (47)
EXP.
CEU 2
(INSIDE)
348 (48)
349 (49)
350 (50)
351 (51)
352 (52)
353 (53)
354 (54)
355 (55)
356 (56)
357 (57)
358 (58)
359 (59)
EXP.
CEU 2
(OUTSIDE)
360 (60)
361 (61)
362 (62)
363 (63)
364 (64)
365 (65)
366 (66)
367 (67)
368 (68)
369 (69)
370 (70)
371 (71)
FUNC.
N/C
N/C
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
TT
TR
RT
RR
N1853 -13
CONN
PIN
26
27
28
29
30
31
32
33
34
35
10
36
11
37
12
38
13
39
14
40
15
41
16
42
17
43
18
44
19
45
20
46
21
47
22
48
23
49
24
50
25
TERM.
1
1
2
3
2
4
5
3
6
7
4
8
9
10
5
11
12
6
13
14
7
15
16
8
17
18
9
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
WHT-BLU
BLU-WHT
WHT-ORN
ORN-WHT
WHT-GRN
GRN-WHT
WHT-BRN
BRN-WHT
WHT-SLT
SLT-WHT
RED-BLU
BLU-RED
RED-ORN
ORN-RED
RED-GRN
GRN-RED
RED-BRN
BRN-RED
RED-SLT
SLT-RED
BLK-BLU
BLU-BLK
BLK-ORN
ORN-BLK
BLK-GRN
GRN-BLK
BLK-BRN
BRN-BLK
BLK-SLT
SLT-BLK
YEL-BLU
BLU-YEL
YEL-ORN
ORN-YEL
YEL-GRN
GRN-YEL
YEL-BRN
BRN-YEL
YEL-SLT
SLT-YEL
VIO-BLU
BLU-VIO
VIO-ORN
ORN-VIO
VIO-GRN
GRN-VIO
VIO-BRN
BRN-VIO
VIO-SLT
SLT-VIO
(INSIDE)
300 (00)
301 (01)
302 (02)
303 (03)
304 (04)
305 (05)
306 (06)
307 (07)
308 (08)
309 (09)
310 (10)
311 (11)
MAIN
COLOR
BLOCK
CODE
FIGURE 13
Note: DS01 telephones supplied with this system are hearing-aid
compatible. Refer to Nitsuko America's Standard Practices Manual
for FCC Hearing-Aid Compatible application requirements.
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