Specifications

2240 Fiber Optic Modem
85
4.9.6 DTE Adapter
This adapter is supplied with the P53 interface and should be used when connecting to
a DCE device. This allows the use of a straight-through RS-530 cable. Figure 4-14
illustrates the DCE to DTE pin assignments. The gender of this adapter on the user
side is male.
Figure 4-14.
Programmable
Buffered Interface,
Model P53 [DTE]
PROGRAMMABLE BUFFERED INTERFACE
MODEL P53, DCE RS-530 [DTE]
SG
FG
CTS
7
1
8
RLSD
RxD
10
3
16
17
9
SCR
15
12
SCT
FIFO
CLOCK
20
23
24
11
2
14
SCTE
TxD
5
13
6
22
4
19
DSR
RTS
LL
RL
MODEM
ALARM
DTE ADAPTER
4
19
2
14
24
11
15
12
17
9
3
16
7
1
NC
NC
NC
NC
=
NO
T
CONN
E
C
TED