Javad FH915, Руководство оператора

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Technical Specifications
External Connectors
Main Connector
31 www.javad.com
16-Lead Header Connector, ECS Corp. P/N 9616-D1-01-03.
PIN
#
Signal
Designator
Signal name Description I/O Comments
1 GND GND Ground - Signal and Chassis Ground
2 DSP UART 1 TXD Transmit Data TTL Input Serial Data Input
3 DSP UART 2 RXD Receive Data TTL
Output Output for received serial data
4 DPORT-5 DTR or DP/
MP Data Terminal
Ready TTL Input Control line can be used as a backup method
for entering Command mode: (0V) –
Maintenance Mode; (3.3V) – Data Mode
An internal 100K pull-up enables Data
Mode if this signal is left unconnected.
Maintenance Mode is
also accessible by transmitting an escape
sequence.
5 DPORT1 CTS Clear to Send TTL
Output Used to control transmit flow from the user
to the radio:
(0V) – Transmit buffer not full, continue
transmitting
(3.3V) – Transmit buffer full, stop
transmitting
6 TTLI1 SLEEP Sleeps/wakes
radio
Receive only TTL Input In sleep mode, all radio functions are
disabled consuming less than 50µA. An
internal 10K pull-down wakes up the radio
if this signal is left unconnected. At wake
up, any user programmed configuration
settings are refreshed from flash memory,
clearing any temporary settings that may
have been set:
(3.3V) – Sleep Radio; (0V) – Wake Radio
As an option could be used as TTL Input
Line 1.
7 DPORT3 MDM_GRN Data Carrier
Detect TTL
Output Used by remotes to indicate that the remote
has successfully acquired the signal from
base station:
(0V) 1 – Carrier detected (synchronized)
(3.3V) 0 – No carrier detected (not
synchronized)