12
For normal operation with a telephone company line, set the DSU for
SLAVE clock timing (switch position 2 DOWN). For in-house line
driver applications (56K only), set the host DSU for MASTER timing
(switch position 2 UP). The remote unit should remain set for Slave
clock.
4.1.3
Optional DSU/CSU Indicators
TxD
Flashing
Data is being sent over the link.
RxD
Flashing
Data is being received from the link.
RTS
ON
OFF
Forced on or high from the BPF-BU.
No RTS from the BPF-BU.
CTS
Follows RTS
CTS signal to the BPF-BU.
DCD
ON
OFF
Normal condition.
No carrier signal received from the far end.
TEST
ON
Flashing
Unit is in loopback (DIP switch 5 UP)
Telephone line is in loopback.
4.2
BPF-6 / 14 BU
4.2.1
Front Panel Switches
Port 1 Setup – Maps the network management port commands to the
terminal attached to data port 1. When Port 1 Setup is active, the
indicator is on.
Loopback – The loopback function is disabled in this product.
Reset – Performs a hardware reset of the BPF.
RESET
BROADCAST POLLING FRAD
OPTION
MODEM READY
LINE ERROR
ACTIVITY
POWER
PORT 1
SETUP
LOOPBACK
