Data ModulesPassport 4400 Hardware Installation Manual
4-2
Legacy Data Module (6-Port and 6-Port with Tokin Ring)
This module provides interface ports that support legacy data protocol in
Passport 4400 units. Available modules are as follows:
• 6-Port - (NTAU73AB)
• 6-Port with Tokin Ring (NTAU71AB)
Figure 4-1. Legacy Data Module
Back
Indicators
Stacking
Connectors
Rear View
Module Switch Group
(see Figure 10-1 on
page 10-3)
1
2
3
4
5
6
7
8
9
Rx+
Tx-
Rx-
Tx+
RJ-45
1
2
3
4
5
6
7
8
Data Terminal Ready
Signal Ground
Receive Data
Transmit Data
Clear to Send
Pins 1, 2, 8 Not Connected
DB-9 Connector for Token
Ring Serial Interface
Pins 2, 3, 4, 7, 8 Not Connected
Management Port
RJ-45 Interface
Pin 1
Pin 1
Data Ports
50-pin Connectors
(see Figure 3-5 on
page 3-5 for pin
assignments)