Pinout 19. Quad Ussi Module (Rs-232); Pinout 20. Quad Ussi Module (Ccitt X.21 V.11) - ADTRAN ATLAS 800 SERIES System Manual

ATLAS 800 Series System Manual
Engineering Guidelines

Pinout 19. Quad USSI Module (RS-232)

Pin
1 Shield (Ground)
2 Transmit Data
3 Received Data
4 Request to Send
5 Clear to Send
6 Data Set Ready
7 Signal Ground
8 Received Line Signal Detector
9 + Voltage
10 - Voltage
11 Not used
12 Sec. Received Line Signal Indicator
13 Sec. Clear to Send

Pinout 20. Quad USSI Module (CCITT X.21 V.11)

Pin
1 Shield (Ground)
2 Transmit Data (A)
3 Request to Send (A)
4 Received Data (A)
5 Carrier Detect (A)
6 Transmit/Receive Clock (A)
7 Ext. Transmit Clock (A)
15 Not Used
61200780L1-1C
Signal Description
Signal Description
© 2004 ADTRAN, Inc.
Pin Signal Description
14 Sec. Transmit Data
15 DCE Transmit Clock
16 Sec. Received Data
17 Receive Signal Element Timing
18 Not used
19 Sec. Request to Send
20 Data Terminal Ready
21 Signal Quality Detector
22 Ring Indicator
23 Data Signal Rate Selector
24 DTE Transmit Clock
25 Not used
Pin Signal Description
8 Signal Ground
9 Transmit Data (B)
10 Request to Send (B)
11 Received Data (B)
12 Carrier Detect (B)
13 Transmit/Received Clock (B)
14 Ext. Transmit Clock (B)
Option Module Pinouts
42