TC12 Installation, Commissioning & Maintenance Handbook
Table 5 - OTU Line Level Switch (S3)
OUTPUT
POWER 1 2 3 4 5 6
SWITCH NUMBERS
0 dB 1 0 0 0
-3 dB 1 0 1 BELOW 0 SEE
-6 dB 0 1 0 0
-9 dB 0 1 0 1
-10 dB 0 0 1 0
-13 dB 0 0 0 0
-16 dB 0 0 0 1
Å Æ
RECEIVE
THRESHOLD
-42 dB 0 0
-39 dB 0 1
-33 dB EE ABOVE 1 0 S
= Setting for the UK
0 = Switch Open
1 = Switch Closed
3.2.2.4 Configuring the Jumpers on the Outstation PCB Daughter Card
daughter card mus
A t be factory fitted to the O
ere RS232 comm to an Instation is require
utstation PCB (see Figure 19)
wh unications d. RS232 or normal
lephone line comm via modems is selectable with the daughter card
ted.
ere are 3 jumper t 1, LK2 and LK3) on the daughter card. The jumpers
ust be selected as 23.
te unications
fit
Th riples (LK
m in Figure
2 1 3 2 1 3
2 1 3
2 1 3 2 1 3
2 1 3
LK3 LK2 LK3 LK2
LK1 LK1
Modem Operation RS232 Operation
Figure 23 - Modem Daughter Card Jumper Positions
666/HE/43100/000 Page 68 Issue 9