User Manual

AS4000 Subscriber Terminal
Installation and Commissioning
DLP 008
605-0000-454
Draft Issue 1.3 Date 8/02/00
Page 7 of 8
Interconnection of EIA-530 and X21
1
14
13
2
3
7
25 Male
25
1
9
8
1
8
9
15
15 Female
Figure 50. Interconnection of EIA-530 and X21
EIA 530 CCITT X21
Circuit, Name and Mnemonic Pin No Pin No Circuit, Name and Mnemonic
Shield 1 1 Shield
Transmit Data BA (A) 2 2 103 (A) Transmit Data
BA (B) 14 9 103 (B)
Receive Data BB (A) 3 4 104 (A) Receive Data
BB (B) 16 11 104 (B)
Request to Send CA (A) 4 3 105 Control +
CA (B) 19 10 105 Control -
Clear to Send CB (B) 13 12 106 Indicator +
CB (A) 5 5 106 Indicator -
DCE Ready CC 6
DTE Ready CD 20
Signal Common AB 7 8 102 Signal Common
Receive Signal Element DD (A) 17 6 115 Clock +
Timing (DTE Source) DD (B) 9 13 115 Clock -
Local Loopback LL 18
Remote Loopback RL 21
Test Mode TM 25
Interconnection of EIA-530 and RS232RS449, RS 422, RS 485, RS V36
1. For connection of EIA-530 to the above interfaces contact Airspan