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MODULAR FIBER CAMPUS DRIVER, MFCD PLUS
RS-232, RS-530 Interface Pin Description (DB25 Female Connector)
Pin #
Signal
1
FG (Frame Ground)
2
TD (Transmit Data)
3
RD (Receive Data)
4
RTS (Request to Send)
5
CTS (Clear to Send)
6
DSR (Data Set Ready)
7
SGND (Signal Ground)
8
CD (Carrier Detect)
9
RC/ (Receive Timing-B)
10
CD/ (Carrier Detect-B)
11
XTC/ (External Transmit Clock)
12
TC/ (Test Control-B)
13
CTS/ (Clear to Send)
14
TD/ (Transmit Data-B)
15
TC (Test Control-A)
16
RD (Receive Data)
17
RC (Receive Timing)
18
LLB (Local Line Loop)
19
RTS/ (Request to Send)
20
DTR (Data Transfer Rate)
21
DL (Remote Digital Loop)
22
DSR/ (Data Set Ready)
23
DTR/ (Data Transfer Rate)
24
XTC (External Transmit Clock)
25
TM (Test Mode)