Network Management Serial Interface; Rs-485 (D25F) Connector Pinouts (Dte) - ADC WorldDSL EMS-830T User Manual

LTPE-UM-3157-01
N M
ETWORK ANAGEMENT
Connect the network management serial-line interface (if used) to the shelf through the D25F RS-485 connector.
See Figure 2 on page 2
connector pinouts.
EMS-830T
S
ERIAL
for the location of the D25F RS-485 connector. Refer to
Table 8. RS-485 (D25F) Connector Pinouts (DTE)
(b)
Pin Signal Description
2 SD_A Send Data
14 SD_B
3 RD_A Receive Data
16 RD_B
4 RTS_A Request to Send/Control Output
19 RTS_B
5 CTS_A Clear to Send
13 CTS_B
6 DSR_A Data Set Ready
22 DSR_B
7 GND Ground
8 RLSD_A Received Line Signal
10 RLSD_B Detect
17 RT_A Receive Timing
9 RT_B
24 TT_A Terminal Timing
11 TT_B
15 ST_A Send Timing
12 ST_B
20 DTR_A Data Terminal Ready
23 DTR_B
(a) The circuits driving this DB-25F (female) connector are designed
for DTE (Data Terminal Equipment) operation.
(b) No other pins are used.
January 31, 2003
I
NTERFACE
DTE
Input/Output
Output
Input
Input
Input
Input
Input
Output
Input
Output
Installation
Table 8 below for the RS-485
(a)
9