Juniper CTP151 Platform, Hardware Manual, Page: 44 / 104

Table 16: EIA-530 DCE Connector Interface Signals for HD-26 to Female DB-25 (continued)
Circuit Description
DB-25
Pin
HD-26
Pin
CD Data terminal ready (DTR)—A (input to CTP) 20 12
LL Local loopback (LL) (input to CTP) 18 13
BB Receive Data (RD)—B (output from CTP) 16 14
DD Receive Clock—B (output from CTP) 9 15
DB Transmit Clock (from DCE)—B (output from CTP) 12 16
DA Transmit Clock (from DTE)—B (input to CTP) 11 17
BA Transmit Data—B (input to CTP) 14 18
CF Data carrier detect (DCD)—B (output from CTP) 10 19
CC Data set ready (DSR)—B (output from CTP) 22 20
RL Remote loopback (RL) (input to CTP) 21 21
TM Test mode (TM) (output from CTP) 25 22
Ground Signal ground (GND) 7 24, 26
CD Data terminal ready (DTR)—B (input to CTP) 23 25
EIA-530 Connector Interface Signal Pinouts (DB-25 Male DTE)
Table 17 on page 35 lists the EIA-530 interface signal pinouts for the HD-26 connector to the male DB-25
connector for the CTP151 platform.
Table 17: EIA-530 DTE Connector Interface Signals for HD-26 to Male DB-25
Description DB-25 Pin HD-26 Pin
Transmit Data—A (output from CTP) 2 1
Transmit Clock (from DTE)—A (output from CTP) 24 2
Transmit Clock (from DCE)—A (input to CTP) 15 3
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