IP Networking

I have an MP-RAS unix server from ncr. We are trying to get the network configured so that we may transer files between the unix box and a pc. I have used the included TCPCONFIG command to setup the network, however I can not ping, telnet or ftp to any other pcs on the network. Any help would greatly be appreciated. Below, is a diagram of our network (to the best of my ability) and some commands that I can think of. If you need anything else to help me diagnose the problem please let me know.

Router (192.168.1.1) connects to a switch which connects to 2 pcs and the unix box.

ifconfig -a shows:
en2: flags=4043<UP,BROADCAST,RUNNING,MULTICAST> mtu 8232
inet 192.168.1.129 netmask ffffff00 broadcast 192.168.1.255
perf. params: recv size: 24576; send size: 24576; full-size frames: 1
ether 00:00:e2:1d:84:a0
lo0: flags=4049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 8232
inet 127.0.0.1 netmask ff000000
perf. params: recv size: 57344; send size: 57344; full-size frames: 1

netstat -rn shows:
Destination Gateway Flags Refs Use Interface
default 192.168.1.1 UGS 0 2 en2
127.0.0.1 127.0.0.1 UH 2 2 lo0
192.168.1.0 192.168.1.129 UC 0 0 en2
192.168.1.129 127.0.0.1 UGHS 0 4 lo0
224.0.0.0 192.168.1.129 UCS 0 0 en2

arp -a shows
? (192.168.1.1) at 0:18:1:a:1c:cc (802.3)
?(192.168.1.130) at 0:11:85:7a:58:b9 (802.3)
? (192.168.1.134) at 0:e0:4c:f1:39:e7 (802.3)
? (192.168.1.255) at (incomplete) (802.3)