CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 86)

86
Canoga Perkins
4.9.7 Legacy Adapter
This adapter is provided with the P53 interface and should be used if preexisting
cabling was installed for use with Model P2 interface cards (see Figure 4-15). This
adapter converts the standard RS-530 pin assignment on the P53 back to the original
P2 pin assignments.
PROGRAMMABLE BUFFERED INTERFACE
MODEL P53, DCE RS-530 [LEGACY]
SG
FG
CTS
7
1
8 RLSD (RS-423)
RxD
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
LEGACY ADAPTER
6
20
21
9
10
12
13
17
18
3
4
14
15
7
1
2
5
8
16
22
25
11
W9
W8
W15/W16 MUST BE SET TO W15
W8-IN CONNECTS PINS
2,5,8,11,16,22 AND 25 TO
SIGNAL GROUND
W9-IN CONNECTS PINS
2,5,8,11,16,22 AND 25 TO
CHASSIS GROUND
Figure 4-15.
Programmable
Buffered Interface,
Model P53
[Legacy Adapter]