ASL INTERCOM VAR4 Installation Manual page 14

CONTROL PORT 1: Control Port (Contacts 1 to 10 and other controls)
REMOTE REMOTE
FAULT-1 FAULT-2
13 12
25 24
ALL-CALL-ONLY LED-1
SPEAK-NOW LED-2
ALL-CALL-ONLY LED -2
Pin No Signal
1 CONTACT-1
2 CONTACT-3
3 CONTACT-5
4 CONTACT-7
5 CONTACT-9
6 0V
7 ALL-CALL-2 (FIRE MIC-2 PTT)
8 ALL-CALL-1 (FIRE MIC-1 PTT)
9 N/C
10 COM
11 ALL-CALL-ONLY LED-1
12 ALL-CALL-ONLY LED-2
13 REMOTE FAULT-1
14 CONTACT-2
15 CONTACT-4
16 CONTACT-6
17 CONTACT-8
18 CONTACT-10
19 AUX POWER
20, 21
22 N/O
23 SPEAK-NOW LED-1
24 REMOTE FAULT-2
25 SPEAK-NOW LED-2
VAR4 – Installation Guide
ALL-CALL-1
(FIRE MIC-1 PTT)
FAULT RELAY
COM N/C
N/0
9
11 10 8
22
23 21
SPEAK-NOW LED-1
Standard 25-way D connector (female)
Analogue Contact 1, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 3, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 5, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 7, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 9, internally pulled up to 5 V by 4k7 Ω
0 V
All-Call PTT (Input 2 Fire Microphone, internally pulled up to 5 V by 4k7 Ω)
All-Call PTT (Input 1 Fire Microphone, internally pulled up to 5 V by 4k7 Ω)
Fault relay N/C contact
Fault relay common contact
All-Call-Only LED (Input 1 Fire Microphone, open-collector)
All-Call-Only LED (Input 2 Fire Microphone, open-collector)
Remote Fault Output 1 (open-collector)
Analogue Contact 2, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 4, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 6, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 8, internally pulled up to 5 V by 4k7 Ω
Analogue Contact 10, internally pulled up to 5 V by 4k7 Ω
Auxiliary power supply (18-36 V DC, fused at 100 mA)
- Not connected
Fault relay N/O contact
Speak Now LED (Input 1 Fire Microphone, open-collector)
Remote Fault Output 2 (open-collector)
Speak Now LED (Input 2 Fire Microphone, open-collector)
Issue: 02 complete, approved
CONTACT-10
ALL-CALL-2
(FIRE MIC-2 PTT) CONTACT-8
7 6 5
20 19 18
0V
CONTACT-9
AUX POWER
Description
Page 14 of 20
CONTACT-6 CONTACT-2
CONTACT-4
4 3 2
17 16 15 14
CONTACT-7 CONTACT-3
CONTACT-5 CONTACT-1
1