iPECS-MG Hardware Description and Installation Manual Issue 1.1
DECT INSTALLATION August, 2010
31
5.2.7 RS-232 Monitor Wiring
The RS-232 female connector, which is a DCE (Data Communication Equipment), is used for various
output functions (SMDR, Traffic Reports, etc.) and can be used to access the System database and
maintenance functions through connection to a local PC.
RS-232 Monitor Connector
CONNECTOR PIN SIGNAL FUNCTION
1 Not used
2 TD Transmitted Data
3 RD Received Data
4 DSR Data Set Ready
5 SG Signal Ground
6 DTR Data Terminal Ready
7 CTS Clear to Send
8 RTS Request to Send
RS-232C
9 Not used
NOTE: The RS-232C port on the MPB does not support hardware flow control.
Referring to the pin-out chart above and the wiring diagram below,
wire the RS-232 port to an appropriate DTE (Data Terminal Equipment),
tag or number wiring for maintenance.
5.2.8 DSIU (Digital and Single Line Interface Unit) Wiring
The DSIU is included on the MPB and provides six (6) Digital Terminal (DKT-1 to 6) ports and six (6)
Single Line (SLT 1 to 6) ports. The DSIU SLT ports support FSK (ITU-T V.23 or Bell 202) or DTMF
(ITU-T Q.23) Caller ID to the SLT. The SLT ports provide the -48 VDC source, current limited to 20
mA, to operate the SLT, and support Message Wait Indication, DTMF or Pulse Dial, Polarity reversal,
sinusoidal ring generator, and GR-909 Line Testing. The SLT and DKT ports of the DSIU are
terminated in RJ45 connectors located in the front panel of the board. Note the DSIU is NOT field
replaceable.
LIP-8000
Series
Keyset
iPECS-MG DB-
9 RS-232
Terminations
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