Chapter 2. Installation
2-8 ATLAS 550 User Manual 61200305L1-1
Test Interface
The N
ETWORK
I
N
and O
UT
Bantam test jacks provide intrusive test capability
for the incoming T1. By connecting test equipment to these jacks, the T1 con-
nection breaks and thetest equipment terminates the incoming T1. The MON
I
N
and O
UT
Bantam test jacks provide a bridged access jack for nonintrusive
monitoring of the incoming T1. When connected to this jack, configure the
test equipment for bridged termination.
Frame Relay Specifications
• Packet throughput at 4000 pkts/sec
• Management signaling interfaces
- UNI (user-to-network interface)
- NNI (network-to-network interface)
• Management signaling types
- ANSI T1.617-D (Annex D)
- ITU-T Q.933-A (Annex A)
- LMI (Group of four)
-Auto
• Encapsulation - RFC 1490 for IP and LLC2
• PVC support - 300 PVCs
Connector type 15-pin Male D-connector
Part number AMP# 74784-12
Table 2-7. Network Interface 15-pin Male D-connector Pinout
PIN NAME DESCRIPTION
1 T TXDATA-TIP Transmit data toward the network
2 UNUSED
3 T1 RXDATA-TIP Receive data from the network
4, 5, 6, 7 UNUSED
8 FG FRAME GROUND Grounded to chassis
9 R TXDATA-RING Transmit data toward the network
10 UNUSED
11 R1 RXDATA-RING Receive data from the network
12, 13, 14 UNUSED
15 FG FRAME GROUND Grounded to chassis
