User's Manual

BNC
R
DB-26
RESET
DB-26 DEFINE
PIN NO. FUNCTION
1 GROUND FROM EXTERNAL POWER SUPPLY
2 B+ FROM EXTERNAL POWER SUPPLY
3 PGM_DATA
4 PGM_ENB
5 TROUBLE —OPEN COLLECTOR Q2
6 VCC OUT
7 ZONE 1 IN
8 DIGITAL GROUND
9 ZONE 2 IN
10 ZONE 3 IN
11 DIGITAL GROUND
12 ZONE 4 IN
13 N/C
14 PHONE LINE PING
15 PHONE LINE TIP
16 DIGITAL GROUND
17 RX
18 TX
19 DTR
20 DSR
21 +12VDC
22 CH SEL 1
23 CH SEL 2
24 CH SEL 4
25 CH SEL 8
26 N/C
CH
CHSEL
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CH SEL1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
CH SEL 2 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0
CH SEL 4 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0
CH SEL 8 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
PAGE3
R_LED(ALM)
Y_LED(WA)
G_LED(RX)
Y_LED(TX)
.