NEC Electra 616 General Installation Manual

f 
210 installation of the Key Service Unit . . . . . . . . . . . . . . . . . . . 200-1 
210.1 Wall Mounting the KSU 
210.2 Floor Mounting the KSU 
220 
230 Connecting and Testing the Power Supply . . . . . . . . . . . . . . 200-z 
Installation 
of KTUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200-3 
230.1 General Information 
230.2 Installing Basic KTUs 
230.3 Installing Common KTUs 
230.4 Installing Optional KTUs 
230 5 Volume Controls 
240 MDF Installation . . . . . . . . . . . ....

SECTION 200 HARDWARE INSTALLATION 
210 Installation of the Key Service Unit 
210.1 Wall Mounting the KSU 
1. 
2. 
. . 
3. 
2 
I ( The ES -6-l KSU is supplied with a wall mounting 
bracket. The bracket should be mounted on a back- 
board secured in a manner capable of holding the 
weight of the KSU. With the mounting tabs of the 
bracket facing upward, install appropriate screws into 
the 6 holes of the bracket. Loosen the securing screw 
located in the upper right position of the bracket. 
Align the...

220 Connecting and Testing the Power Supply 
Note 1: Verify that the AC outlet is supplying 11% AC 
and provides good conduit ground. If there is a 
problem with the AC voltage, have it corrected. 
If there is no conduit ground, provide alternate 
ground as explained in Section 120, “Grounding 
Requirements”, of this manual. 
Note 2: Before proceeding, ensure that the PS-6-I Power 
Cord is unplugged. The PS-6-I Power Switch 
should be off, and its power indicator lamps should 
1. 
2. Remove the 9-pin...

F-- 230 Installation of KTUs 
Note: The following KTUs cannot be inserted or removed 
with power on: 
CPU-S KSI-S DPH-S 
CLK-S DCI-S PBS-S 
SWM-S 
MFI-S AHR-S 
-_. _... .._ .._ _._. - .- .__J 
230.1 General Information 
1. 
The KTUs specified directly above cannot be inserted 
or removed -with power on. It is recommended that 
power be OFF during installation and during mainte- 
nance unless this will seriously inconvenience the user. 
This will prevent accidental damage to equipment. 
The KTUs used in...

On the CPU-S KTU is a momentary switch for system 
reset. Depressing the reset switch causes any program 
changes to enter the working program and interrupts 
all system operation in progress. 
2. CLK-S KTU 
SW1 
When DCI-S KTU(s) is installed ensure the switches 
SW1 and SW2 on the CLK-S KTU are set to appro- 
priate positions. Refer to Table 230-2 below. The 
switch settings are subject to the dialing specifications 
of the CO or PBX. The switches have been set by the 
manufacturer at 1Opps dial speed...

230.5 Volume Controls All volumes are pre-adjusted by the manufacturer. 
Refer to Table 230-3. 
1. AlI tones from the built-ii speaker in a keyset are 
controlled at the keyset by adjusting the volume dial 
located at the front of the keyset. 
Table 230-3 CLK Volume Controls 
2. 
System wide CO/PBX ring (station id!e) and intercom 
all call and zone paging are controlled by adjusting 
volume controls on the CLK-S KTU. Tone level is 
increased by turning the volume control clockwise. 
.ii, 
- I 
L ---K...

- - ___-___-_ 
-. k&+. 
240 MDF Installation 
240.1 CO/PBX Connection 
3. The following Table 240-1 gives complete information 
on 50 position connector pin number, lead function, 
running cable color, circuit designation, associated 
1. 
+ 2. 
The FCC approved USOC number for 50 position 
miniature ribbon jack for connection of CO lines is 
IU21X. The CO lines are to be connected in sequence 
consecutively within this jack. 
Use of 66BSO or 66M50 quick-connect type blocks is 
recommended for ease of...

Table 240-2 Station Connection Information 
Jl - 52 Connectors and Cables ES-6-1 KSU 
P 
PIN RUNNING 
CABLE 
26 WH-EL 
1 
BL-WH 
27 WH-OR 
2 OR-WH 
28 WH-GN 
3 GN-WH 
29 WH-BR 
4 
BR-WH 
30 WH-SL 
5 SL-WH 
31 
RD-BL 
6 BL-RD 
32 RD-OR 
7 
OR-RD 
33 RD-GN 
8 GN-RD 
34 RD-BR 
9 BR-RD 
35 RD-SL 
10 SL-RD 
36 BK-BL 
11 
BL-BK 
37 
BK-OR 
12 OR-BK 
38 BK-GN 
13 GN-BK 
39 BK-BR 
14 
BR-BK 
40 BK-SL 
15 SL-BK 
41 
YL-BL 
16 BL-YL STATION 
CABLE 
GN 
RD 
YL 
BK 
GN 
RD 
YL 
BK 
GN 
RD 
YL 
BK 
GN 
RD 
YL 
BK 
GN...

Table 240-3 Connector Running List 
Pl Jl 52 
__~ 
38 I 15VT BK-GN j 
13 1 15VR 
GN-BK / TEL 
39 15DT, BK-ER ! 15 
14 
15DR / BR-SK / 
-L- 
40 
16’0 1 
’ I BK-SL j 
15 
16VR ; SL-BK i TEL 
41 
! 16DT I YL-BL / 16 
1 16DR 
‘6!--_.< BL-YL / 
-- 
42 / 2BL.T j YL-OR j BLF 
‘7 _I.?!% i. _.ck!_L... i. 2 
.-.--.----.--. 
YL-GN / DOOR PHONE 
23 
49 / 
/ GN-VI / 
24 ’ VI-BR / 
j BR-VI 
1 
5o I / 
/ VI-SL / 
25 / 
I SL-VI ~  26 
1 
27 
2 WH-BL 
BL-WH 
WH-OR 
OR-WH  26 1T WH-BL LIN 
1 1R BL-WH 1 
27 2T WH-OR LIN 
2...

250 IrkaIling Station Equipment 
250.1 ET-6-l installation 
The ET-6-l is a fully-modular electronic key tele- 
phone set. Each keyset requires 2pair cabling to the Main 
Distribution Frame (MDF). The maximum cable length is 
700 ft. using standard 24 AWG cable and 1,150 ft. using 
standard 22 AWG cable. Refer to Section 140, “Cabling 
Requirements”, of this manual. For keyset connection, 
see Figures 250-I and 2.50-2 and Table 240-2. 
STATION CABLE 
TO KSU 
a 
DR (BK) 
VR FIDI 
VT (GN) ’ _ 
J 
DR VR VT...