Connector Interface Signal Pinouts (Db-15 Female Dce); Connector Interface Signal Pinouts (Db-15 Male Dte) - Juniper CTP Series Hardware Manual

X.21 Connector Interface Signal Pinouts (DB-15 Female DCE)
Table 5 on page 31 lists the X.21 interface signal pinouts for the HD-26 connector to the female DB-15
connector for the CTP150 platform.
Table 5: X.21 DCE Connector Interface Signals for HD-26 to Female DB-15
HD-26 Pin DB-15 Pin
1 4
2 6
4 7
5 2
8 5
9 12
10 10
11 3
14 11
15 13
17 14
18 9
24, 26 8
X.21 Connector Interface Signal Pinouts (DB-15 Male DTE)
Table 6 on page 31 lists the X.21 interface signal pinouts for the HD-26 connector to the male DB-15
connector for the CTP150 platform.
Table 6: X.21 DTE Connector Interface Signals for HD-26 to Male DB-15
HD-26 Pin
1
Description
Receive Data—A (output from CTP)
Receive Clock—A (output from CTP)
Transmit Clock—A (input to CTP)
Transmit Data—A (input to CTP)
Signal Out—A (output from CTP)
Signal Out—B (output from CTP)
Signal In—B (input to CTP)
Signal In—A (input to CTP)
Receive Data—B (output from CTP)
Receive Clock—B (output from CTP)
Transmit Clock—B (input to CTP)
Transmit Data—B (input to CTP)
Ground
DB-15 Pin
4
Description
Transmit Data—A (output from CTP)
31