3Com 3C63311 Reference Guide - Page 24
PathBuilder S330 System Specifications, HAPTER, YSTEM, ESCRIPTION
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12 CHAPTER 1: SYSTEM DESCRIPTION Table 4 PathBuilder S330 System Specifications Connector type at end of RS-422 cable Connector pinouts Connector type at end of EIA530 cable Connector pinouts (continued) DB-37 subminiature, female for DCE, male for DTE A Side Chassis Ground 1 Send Data 4 Send Timing 5 Receive Data 6 Req to Send 7 Receive Timing 8 Clear to Send 9 Terminal Ready 12 Receiver Ready 13 Terminal Timing 17 Signal Ground 19 DB-25 subminiature, female for DCE, male for DTE A Side Chassis Ground 1 Send Data 2 Send Timing 15 Receive Data 3 Req to Send 4 Receive Timing 17 Clear to Send 5 Terminal Ready 20 Receiver Ready 8 Terminal Timing 24 Signal Ground 7 B Side 22 23 24 25 26 27 30 31 35 B Side 14 12 16 19 9 13 23 10 11
12
C
HAPTER
1: S
YSTEM
D
ESCRIPTION
Connector type at end of
RS-422 cable
Connector pinouts
DB-37 subminiature,
female for DCE, male for DTE
A Side
B Side
Chassis Ground
1
Send Data
4
22
Send Timing
5
23
Receive Data
6
24
Req to Send
7
25
Receive Timing
8
26
Clear to Send
9
27
Terminal Ready
12
30
Receiver Ready
13
31
Terminal Timing
17
35
Signal Ground
19
Connector type at end of
EIA530 cable
Connector pinouts
DB-25 subminiature,
female for DCE, male for DTE
A Side
B Side
Chassis Ground
1
Send Data
2
14
Send Timing
15
12
Receive Data
3
16
Req to Send
4
19
Receive Timing
17
9
Clear to Send
5
13
Terminal Ready
20
23
Receiver Ready
8
10
Terminal Timing
24
11
Signal Ground
7
(continued)
Table 4
PathBuilder S330 System Specifications