Specifications

Section 1: Introduction
1-3
1.2 SYSTEM FEATURES
The SE 818SC and SE 818SX comprise the Alto 818 ACUs. Table 1-1 indicates the basic
differences between the two models. Specific differences will be indicated, where appropriate
throughout this manual.
Table 1-1: SE 818SC and SE 818SX Differences
SE 818SC SE 818SX
Supports SE 2854/55 Analog Sensors No Yes
Supports S-Net Digital Readers and
Smart Card Readers (AT&T product)
Yes No
The access control and monitoring features of the Alto 818 ACU are listed in Table 1-2.
Table 1-2: Alto 818 Features
Access Control Features
Reader in
p
uts 8
Maximum command ke
y
s
2,000 with numbers and names in H-mode;
5,200 with numbers onl
y
4,400 with numbers and names in E- and S-
modes; 11,200 with numbers onl
y
Maximum access codes 15 in H-mode, 120 in E or S-modes
User-defined holida
y
sU
p
to 30
User-defined re
p
orts U
p
to 32
Authorization levels 6
Individual o
p
erator IDs 8
Event lo
g
ca
p
acit
y
100 in H-mode; 4,000 in E- and S-modes
Monitoring Features
Monitored in
p
ut
p
oints
(
usin
g
SE 774A
Multi
p
le Switch Monitors
)
U
p
to 32
p
lus
p
ower fail and tam
p
er
Out
p
ut contacts
(
includes SE 788-A
control contacts
)
U
p
to 16
Controlled entrances U
p
to 8
O
p
eratin
g
modes O
p
en, Limited and Closed