Configuring the Modem

Page 13

Table 2-1. Jumper Settings

Jumper Function Settings See Page…
S1 Carrier Detect control -33 dBm
-43 dBm
14
S2 Transmit level 0dBm
-2 dBm
-4 dBm
-6 dBm
-8 dBm
-10 dBm
-12 dBm
-14 dBm
14
S3 2-wire/4-wire mode 2-wire
4-wire
15
S4 Call turnaround squelch Enabled
Disabled
15
S5 Transmit carrier Control
Constant
16
S6 Local copy Enabled
Disabled
16
S8 Signal and Earth ground Connected
Separate
16
S9 RTS-CTS delay 8 ms
33 ms
59 ms
219 ms
17
S10 Carrier Detect delay 6 ms
23 ms
17
S11 Turnaround squelch time
(Enabled by jumper S4)
8 ms
159 ms
17
S12 Soft Carrier turn off None
8 ms
26 ms
18
S13 Anti-streaming None
4 seconds
7.6 seconds
14 seconds
28 seconds
56 seconds
18
S14 and S15 Self Test or test pattern
(Tx and Rx pattern speed)
1 bps
18 bps
37 bps
75 bps
150 bps
19